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Refereed Journals and Book Chapters

Archival Proceedings from Refereed Conferences

Tutorials and Conference Proceedings

Technical Reports

 

Refereed Journals and Book Chapters

2017

L. M. Tolbert, X. Shi, "Multilevel Power Converters," Power Electronics Handbook, 4th Edition, Elsevier, 2017, Chapter 13 (in press).

Y. Ma, W. Cao, Y. Liu, F. Wang, L. M. Tolbert, "Virtual Synchronous Generator Control of Full Converter Wind Turbines with Short Term Energy Storage", IEEE Transactions on Industrial Electronics, vol. 64, 2017 (accepted - in press).

Z. Zhang, B. Guo, F. Wang, E. Jones, L. M. Tolbert, B. J. Blalock, "Methodology for Wide Band-gap Device Dynamic Characterization", IEEE Transactions on Power Electronics, vol. 32, 2017 (accepted - in press).

W. Cao, F. Wang, Y. Ma, L. Yang, L. M. Tolbert, "D-Q Impedance Based Stability Analysis and Parameter Design of Three-Phase Inverter-Based Ac Power Systems", IEEE Transactions on Industrial Electronics, vol. 64, 2017 (accepted - in press).

Z. Zhang, J. Dix, F. Wang, E. Jones, B. Blalock, D. Costinett, L. M. Tolbert, "Intelligent Gate Drive for Fast Switching and Cross-Talk Suppression of SiC Devices", IEEE Transactions on Power Electronics, vol. 32, 2017 (accepted - in press).

Z. Zhang, H. Lu, D. Costinett, F. Wang, L. M. Tolbert, B. J. Blalock, "Model Based Dead-Time Optimization for Voltage Source Converters Utilizing Silicon Carbide Semiconductors", IEEE Transactions on Power Electronics, vol. 32, 2017 (accepted - in press).

X. Shi, Z. Wang, B. Liu, Y. Li, L. M. Tolbert, F. Wang, "Steady-State Modeling of Modular Multilevel Converter under Unbalanced Grid Conditions", IEEE Transactions on Power Electronics, vol. 32, no. 9, September 2017, 7306-7324.

Y. Li, X. Shi, B. Liu, W. Lei, F. Wang, L. M. Tolbert, "Development, Demonstration, and Control of a Testbed for Multi-Terminal HVDC System", IEEE Transactions on Power Electronics, vol. 32, no. 8, August 2017, 6069-6078.

B. Liu, X. Shi, Y. Li, F. Wang, L. M. Tolbert, "A Line Impedance Conditioner for Saturation Mitigation of Zigzag Transformer in Hybrid Ac/Dc Transmission System Considering Line Unbalances", IEEE Transactions on Power Electronics, vol. 32, no. 7, July 2017, pp. 5070-5086.

Y. Cui, F. Yang, L. M. Tolbert, D. Costinett, F. Wang, B. J. Blalock, "Load Dependent Soft Switching Method of Half Bridge Current Doubler for High Voltage Point of Load Converter in Data Center Power Supplies", IEEE Trans. Power Electronics, vol. 32, no. 4, April 2017, pp. 2925-2938.

L. Yang, Y. Ma, J. Wang, J. Wang, X. Zhang, L. M. Tolbert, F. Wang, K. Tomsovic, "Three-Phase Power Converter Based Real-Time Synchronous Generator Emulation", IEEE Transactions on Power Electronics, vol. 32, no. 2, Feb. 2017, pp. 1651-1665.

W. Zhang, F. Wang, D. Costinett, L. M. Tolbert, B. Blalock, "Investigation of Gallium Nitride Devices in High Frequency LLC Resonant Converter", IEEE Transactions on Power Electronics, vol. 32, 2017, Jan. 2017, pp. 571-583.

S. Xiong, Y. Yao, Q. Cao, H. Qi. L. M. Tolbert, T. He, "kBF: Towards Approximate and Bloom Filter based Key-Value Storage for Cloud Computing Systems", IEEE Transactions on Cloud Computing, vol. 5, no. 1, January 2017, pp. 85-98.

2016

D. Bridges, R. Li, Z. Gao, Z. Wang, Z. Wang, A. Hu, Z. Feng, L. M. Tolbert, N.-C. Lee, "Metallic Nanopastes for Power Electronic Packaging," Semiconductor and Metal Nanoparticles: Physical Properties and Device Applications, CRC Press, 2016, pp. 343-366.

C. Zhao, B. Trento, L. Jiang, E. Jones, B. Liu, Z. Zhang, D. Costinett, F. Wang, L. M. Tolbert , J. Jansen, R. Kress, R. Langley, "Design and Implementation of GaN-Based, 100 kHz, 102W/in 3 Single- Phase Inverter", IEEE Journal of Emerging and Selected Topics in Power Electronics, vol. 4, no. 3, Sept. 2016, pp. 3627-3634.

Z. Wang, X. Shi, L. M. Tolbert , F. Wang, B. Blalock, "Temperature Dependent Short Circuit Capability of Silicon Carbide (SiC) Power MOSFETs," IEEE Transactions on Power Electronics, vol. 31, no. 2, February 2016, pp. 1555-1566.

J. Wang, L. Yang, Y. Ma, J. Wang, L. M. Tolbert , F. Wang, K. Tomsovic, "Static and Dynamic Power System Load Emulation in Converter-based Reconfigurable Power Grid Emulator", IEEE Transactions on Power Electronics, vol. 31, no. 4, April 2016, pp. 3239-3251.

2015

X. Shi, B. Liu, Z. Wang, Y. Li, L. M. Tolbert , F. Wang, "Modelling, Control Design, and Analysis of a Startup Scheme for Modular Multilevel Converters," IEEE Transactions on Industrial Electronics, vol. 62, no. 11, November 2015, pp. 7009-7024

Z. Zhang, F. Wang, L. M. Tolbert , B. J. Blalock, "Evaluation of Switching Performance of SiC Devices in PWM Inverter Fed Induction Motor Drives," IEEE Transactions on Power Electronics, vol. 30, no. 10, Oct. 2015, pp. 5701-5711.

L. GopiReddy, L. M. Tolbert , B. Ozpineci, J. O. P. Pinto, "Rainflow Algorithm Based Lifetime Estimation of Power Semiconductors in Utility Applications," IEEE Transactions on Industry Applications, vol. 51, no. 4, July/August 2015, pp. 3368 - 3375.

F. Xu, B. Guo, Z. Xu, L. M. Tolbert , F. Wang, B. J. Blalock, "Paralleled Three-Phase Current-Source Rectifiers for High-Efficiency Power Supply Applications," IEEE Transactions on Industry Applications, vol. 51, no. 3, May/June 2015, pp. 2388-2397.

L. Gopi Reddy, L. M. Tolbert , B. Ozpineci, "Power Cycle Testing of Power Switches: A Literature Review," EEE Transactions on Power Electronics, vol. 30, no. 5, May 2015, pp. 2465-2473.

M. Kisacikoglu, M. Kesler, L. M. Tolbert, "Single-phase On-board Bidirectional PEV Charger for V2G Reactive Power Operation," IEEE Trans. on Smart Grid, vol. 6, no. 2, Mar. 2015, pp. 767-775.

B. Xiao, L. J. Hang, J. Mei, C. Riley, L. M. Tolbert , B. Ozpineci, "Modular Cascaded H-Bridge Multilevel PV Inverter with Distributed MPPT for Grid-Connected Applications," IEEE Transactions on Industry Applications, vol. 51, no. 2, Mar./April 2015, pp. 1722-1731.

Z. Wang, X. Shi, L. M. Tolbert , D. Costinett, B. Blalock, "A High Temperature Silicon Carbide MOSFET Power Module with Integrated Silicon-on-Insulator Based Gate Drive," IEEE Transactions on Power Electronics, vol. 30, no. 3, Mar. 2015, pp. 1432-1445.

Y. Yao, S. Xiong, H. Qi, Y. Liu, L. M. Tolbert , Q. Cao, "Efficient Histogram Estimation for Smart Grid Data Processing With the Loglog-Bloom-Filter," IEEE Transactions on Smart Grid, vol. 6, no. 1, Jan. 2015, pp. 199-208.

X. Shi, Z. Wang, Y. Liu, L. M. Tolbert , F. Wang, "Characteristic Investigation and Control of a Modular Multilevel Converter Based HVDC System under Single-Line-to-Ground Fault Conditions," IEEE Transactions on Power Electronics, vol. 30, no. 1, Jan. 2015, pp. 408-421.

2014

M. Kesler, M. Kisacikoglu, L. M. Tolbert, "Vehicle-to-Grid Reactive Power Operation Using Plug-in Electric Vehicle Bidirectional Offboard Charger," IEEE Transactions on Industrial Electronics , vol. 61, no. 12, Dec. 2014, pp. 6778-6784.

M. Kesler, E. Ozdemir, M. Kisacikoglu, L. M. Tolbert, "Power Converter-Based Three-Phase Nonlinear Load Emulator for Hardware Testbed System," IEEE Transactions on Power Electronics, vol. 29, no. 11, Nov. 2014, pp. 5806-5812.

Ke Shen, Dan Zhao, Jun Mei, L. M. Tolbert, Jianze Wang, Mingfei Ban, Yanchao Ji, Xingguo Cai, "Elimination of Harmonics in a Modular Multilevel Converter Using Particle Swarm Optimization Based Staircase Modulation Strategy," IEEE Transactions on Industrial Electronics , vol. 61, no. 11, Nov. 2014, pp. 5311 - 5322.

Z. Wang, X. Shi, Y. Xue, L. M. Tolbert, F. Wang, B. J. Blalock, "Design and Performance Evaluation of Overcurrent Protection Schemes for Silicon Carbide (SiC) Power MOSFETs," IEEE Transactions on Industrial Electronics , vol. 61, no. 10, Oct. 2014, pp. 5570 - 5581.

Z. Wang, X. Shi, L. M. Tolbert, F. Wang, B. J. Blalock, "A di/dt Feedback-Based Active Gate Driver for Smart Switching and Fast Overcurrent Protection of IGBT Modules," IEEE Transactions on Power Electronics, vol. 29, no. 7, July 2014, pp. 3720 - 3732.

S. Li, L. M. Tolbert, F. Wang, F. Z. Peng, "Stray Inductance Reduction of Commutation Loop in P-cell and N-cell Based IGBT Phase Leg Module, IEEE Transactions on Power Electronics, vol. 29, no. 7, July 2014, pp. 3616 - 3624.

W. Wang, L. He, P. Markham, H. Qi, Y. Liu, Q. Cao, L. M. Tolbert, "Multiple Event Detection and Recognition through Sparse Unmixing for High-Resolution Situational Awareness in Power Grid," IEEE Transactions on Smart Grid, vol. 5, no. 4, July 2014, pp. 1654 - 1664.

Z. Zhang, F. Wang, L. M. Tolbert, B. Blalock, "Active Gate Driver for Crosstalk Suppression of SiC Devices in a Phase-Leg Configuration,"" IEEE Transactions on Power Electronics, vol. 29, no. 4, April 2014, pp. 1986 - 1997.

J. Mei, K. Shen, B. Xiao, L. M. Tolbert, J. Zheng, "A New Selective Loop Bias Mapping Phase Disposition PWM with Dynamic Voltage Balance Capability for Modular Multilevel Converter," IEE Transactions on Industrial Electronics, vol. 61, no. 2, February 2014, pp. 798 - 807.

L. Hang, B. Li, M. Zhang, L. M. Tolbert, "Equivalence of SVM and Carrier-Based PWM in Three-Phase/Wire/Level Vienna Rectifier and Capability of Unbalanced Load Control," IEEE Transactions on Industrial Electronics, vol. 61, no. 1, January 2014, pp. 20-28.

2013

M. Kisacikoglu, B. Ozpineci, L. M. Tolbert, "EV/PHEV Bidirectional Charger Assessment for V2G Reactive Power Operation," IEEE Trans. Power Electron., vol. 28, no. 12, Dec. 2013, pp. 5717 - 5727.

F. Xu, B. Guo, L. M. Tolbert, F. Wang, B. Blalock, "An All-SiC Three-Phase Buck Rectifier for High Efficiency Data Center Power Supplies,"" IEEE Transactions on Industry Applications, vol. 49, no. 6, Nov./Dec. 2013, pp. 2662 - 2673.

J. Mei, B. Xiao, K. Shen, L. M. Tolbert, J. Y. Zheng, "Modular Multilevel Inverter with New Modulation Method and Its Application to Photovoltaic Grid-Connected Generator," IEEE Transactions on Power Electronics, vol. 28, no. 11, November 2013, pp. 5063-5073.

M. Zhang, L. Hang, W. Yao, Z. Lu, L. M. Tolbert, "A Novel Strategy for Three-phase/switch/level (Vienna) Rectifier under Severe Unbalanced Grids," IEEE Transactions on Industrial Electronics, vol. 60, no. 10, Oct. 2013, pp. 4243 - 4252.

F. Filho, H. Z. Maia, T. H. A. Mateus, L. M. Tolbert, B. Ozpineci, J. O. P. Pinto, "Adaptive Selective Harmonic Minimization Based on ANNs for Cascade Multilevel Inverters with Varying DC Sources," IEEE Transactions on Industrial Electronics, vol. 60, no. 5, May 2013, no. 5, pp. 1955-1962.

L. Hang, M. Zhang, L. M. Tolbert, Z. Lu, "Digitized Feedforward Compensation Method for High-Power-Density Three-Phase Vienna PFC Converter," IEEE Transactions on Industrial Electronics, vol. 60, no. 4, April 2013, pp. 1512-1519.

F. Xu, T. J. Han, D. Jiang, L. M. Tolbert, F. Wang, J. Nagashima, S. J. Kim, S. Kulkarni, F. Barlow, "Development of a SiC JFET-Based Six-Pack Power Module for a Fully Integrated Inverter," IEEE Transactions on Power Electronics , vol. 28, no. 3, March 2013, pp. 1464-1478

2012

B. Li, W. Yao, L. Hang, L. M. Tolbert, "Robust Proportional Resonant Regulator for Grid-Connected Voltage Source Inverter (VSI) Using Direct Pole Placement Design Method," IET Power Electronics, vol. 5, no. 8, 2012, pp. 1367-1373.

M. A. Huque, S. K. Islam, L. M. Tolbert, B. J. Blalock, "A 200C Universal Gate Driver Integrated Circuit for Extreme Environment Applications," IEEE Transactions on Power Electronics, vol. 27, no. 9, September 2012, pp. 4153-4162.

W. Qian, H. Cha. F. Z. Peng, L. M. Tolbert, "A 55-kW Variable 3X DC-DC Converter for Plug-in Hybrid Electric Vehicles," IEEE Transactions on Power Electronics, vol. 27, no. 4, Apr. 2012, pp. 1668-1678.

2011

S. Khomfoi, L. M. Tolbert, "Multilevel Power Converters," Power Electronics Handbook, 3rd Edition, Elsevier, 2011, ISBN 978-0- 12-382036- 5, Chapter 17, pp. 455-486.

H. Qi, X. Wang, L. M. Tolbert, F. Li, F. Z. Peng, P. Ning, M. Amin, "A Resilient Real-Time System Design for a Secure and Reconfigurable Power Grid," IEEE Transactions on Smart Grid, vol. 2, no. 4, December 2011, pp. 770-781.

F. Filho, L. M. Tolbert, B. Ozpineci, Y. Cao, "Real Time Selective Harmonic Minimization for Multilevel Inverters Connected to Solar Panels Using Artificial Neural Network Angle Generation," IEEE Transactions on Industry Applications, vol. 47, no. 5, Sept.-Oct. 2011, pp. 2117-2124.

B. Ozpineci, L. M. Tolbert, "Silicon Carbide: Smaller, Faster, Tougher," IEEE Spectrum, vol. 48, no. 10, October 2011, pp. 45-66.

H. Zhang, L. M. Tolbert, B. Ozpineci, "Impact of SiC Devices on Hybrid Electric and Plug-in Hybrid Electric Vehicles," IEEE Transactions on Industry Applications, vol. 47, no. 2, Mar./Apr. 2011, pp. 912-921.

H. Zhang, L. M. Tolbert, "Efficiency Impact of SiC Power Electronics for Modern Wind Turbine Full Scale Frequency Converter," IEEE Transactions on Industrial Electronics, vol. 58, no. 1, Jan. 2011, pp. 21-28.

W. Zhang, F. Li, L. M. Tolbert, "Interpolation Approximation of Voltage Stability Constrained OPF (VSCOPF) for Reactive Power Planning," European Transactions on Electric Power, vol. 21, no. 1, Jan. 2011, pp. 155-164.

2010

Y. Xu, L. M. Tolbert, J. D. Kueck, D. T. Rizy, "Voltage and Current Unbalance Compensation Using a STATCOM,” IET Proceedings on Power Electronics, vol. 3, 2010, pp. 977-988.

M. A. Huque, L. M. Tolbert, B. Blalock, S. K. Islam, "SOI-Based High-Voltage, High-Temperature Integrated Circuit Gate Driver for SiC-Based Power FETs," IET Proceedings on Power Electronics, vol. 3, 2010, pp. 1001 - 1009.

F. H. Khan, L. M. Tolbert, W. E. Webb, "Startup and Dynamic Modeling of the Multilevel Modular Capacitor Clamped Converter (MMCCC)," IEEE Transactions on Power Electronics, vol. 25, no. 2, Feb. 2010, pp. 519-531.

2009

E. Ozdemir, S. Ozdemir, L. M. Tolbert, "Fundamental Frequency Modulated Six-Level Diode-Clamped Multilevel Inverter for Three-Phase Stand-Alone Photovoltaic System," IEEE Transactions on Industrial Electronics, vol. 56, no. 11, Nov. 2009, pp. 4407-4415.

F. H. Khan, L. M. Tolbert, "Bi-directional Power Management and Fault Tolerant Feature in a 5 kW Multilevel DC-DC Converter with Modular Architecture," IET Proceedings on Power Electronics, vol. 2, no. 5, Sept. 2009, pp. 595-604.

F. H. Khan, L. M. Tolbert, "Hybrid Electric Vehicle Power Management Solutions Based on Isolated and Non-Isolated Configurations of MMCCC Converter," IEEE Transactions on Industrial Electronics, vol. 56, no. 8, Aug. 2009, pp. 3079-3095.

Z. Du, B. Opzineci, L. M. Tolbert, J. N. Chiasson, "DC/AC Cascaded H-Bridge Multilevel Boost Inverter With No Inductors for Electric/Hybrid Electric Vehicle Applications," IEEE Transactions on Industry Applications, vol. 45, 2009, pp. 963-970.

F. H. Khan, L. M. Tolbert, "Multiple Load-Source Integration in a Multilevel Modular Capacitor Clamped DC-DC Converter Featuring Fault Tolerant Capability," IEEE Transactions on Power Electronics, vol. 24, no. 1, Jan. 2009, pp. 14-24.

B. Ozpineci, M. Chinthavali, A. Kashyap, L. M. Tolbert, A. Mantooth, "A 55 kW Three-Phase Inverter with Si IGBTs and SiC Schottky Diodes," IEEE Transactions on Industry Applications, vol. 45, no. 1, Jan./Feb. 2009, pp. 278-285.

Z. Du, L. M. Tolbert, J. N. Chiasson, B. Ozpineci, "Fundamental Frequency Switching Strategies for a Seven-Level Hybrid Cascaded H-bridge Multilevel Inverter," IEEE Transactions on Power Electronics, vol. 24, no. 1, Jan. 2009, pp. 25-33.

2008

F. Li, W. Zhang, L. M. Tolbert, J. D. Kueck, D. T. Rizy, "A Framework to Quantify the Economic Benefit from Local VAR Compensation," International Review of Electrical Engineering (IREE), vol. 3, no. 6, Nov./Dec. 2008, pp. 989-998.

Z. Du, L. M. Tolbert, J. N. Chiasson, B. Ozpineci, "Reduced Switching Frequency Active Harmonic Elimination for Multilevel Converters," IEEE Transactions on Industrial Electronics, vol. 55, no. 4, April 2008, pp. 1761-1770.

M. Shen, F. Z. Peng, L. M. Tolbert, "Multilevel DC-DC Power Conversion System with Multiple DC Sources," IEEE Transactions on Power Electronics, vol. 23, no. 1, Jan. 2008, pp. 420-426.

2007

S. Khomfoi, L. M. Tolbert, "Multilevel Power Converters," Power Electronics Handbook, 2nd Edition, Elsevier, 2007, ISBN 978-0- 12-088479- 7, Chapter 17, pp. 451-482.

F. Khan, L. M. Tolbert, "A Multilevel Modular Capacitor Clamped DC-DC Converter," IEEE Transactions on Industry Applications, vol. 43, Nov./Dec. 2007, pp. 1628-1638.

S. Khomfoi, L. M. Tolbert, "Fault Diagnosis and Reconfiguration for Multilevel Inverter Drive Using AI Based Techniques," IEEE Transactions on Industrial Electronics, vol. 54, no. 6, Dec. 2007, pp. 2954-2968.

Y. Xu, L. M. Tolbert, J. N. Chiasson, F. Z. Peng, J. B. Campbell, "A Generalised Instantaneous Nonactive Power Theory for STATCOM," IET Electric Power Applications, vol. 1, no. 6, Nov. 2007, pp. 853-861.

W. Zhang, F. Li, L. M. Tolbert, "Review of Reactive Power Planning: Objectives,Constraints, and Algorithms,” IEEE Transactions on Power Systems, vol. 22, no. 4, Nov. 2007, pp. 2177-2186.

X. Yu, M. R. Starke, L. M. Tolbert, B. Ozpineci, "Fuel Cell Power Conditioning for Electric Power Applications: A Summary," IET Electric Power Applications, vol. 1, no. 5, Sept. 2007, pp. 643-656.

J. B. Campbell, L. M. Tolbert, C. W. Ayers, B. Ozpineci,K. Lowe, "Two-Phase Cooling Method Using R134a Refrigerant to Cool Power Electronics Devices," IEEE Transactions on Industry Applications, vol. 43, no. 3, May/June 2007, pp.648-656.

L. M. Tolbert, H. Zhang, M. S. Chinthavali, B. Ozpineci, "SiC-based Power Converters for High Temperature Applications," Materials Science Forum, vols. 556-557, 2007, pp. 965-970.

S. Khomfoi, L. M. Tolbert, "Fault Diagnostic System for a Multilevel Inverter Using a Neural Network," IEEE Transactions on Power Electronics,, vol. 22, no. 3, May 2007, pp. 1062-1069.

M. Li Campbell, J. Chiasson, M. Bodson, L. M. Tolbert, "Speed Sensorless Identification of the Rotor Time Constant in Induction Machines," IEEE Transactions on Automatic Control, vol. 15, no. 4, April 2007, pp. 758-763.

K. Wang, J. Chiasson, M. Bodson, L. M. Tolbert, "An Online Rotor Time Constant Estimator for the Induction Machine," IEEE Transactions on Control System Technology, vol. 15, no. 2, March 2007, pp. 339-348.

S. Khomfoi, L. M. Tolbert, "Multilevel Power Converters," Power Electronics Handbook,2nd Edition Elsevier, 2007, ISBN 978-0-12-088479-7, Chapter 17, pp. 451-482.

2006

B. Ozpineci, M. S. Chinthavali, L. M. Tolbert, "Enhancing Power Electronic Devices with Wide Bandgap Semiconductors," International Journal of High Speed Electronics and Systems, vol. 16, no. 2, 2006, pp. 545-556.

M. Hasanuzzaman, S. K. Islam, Leon M. Tolbert, B. Ozpineci, "Design, Modeling, Testing, and SPICE Parameter Extraction of DIMOS Transistor in 4H-Silicon Carbide," International Journal of High Speed Electronics and Systems, vol. 16, no. 2, 2006, pp. 733-746.

M. Li, J. Chiasson, M. Bodson, L. Tolbert, "A Differential-Algebraic Approach to Speed Estimation in an Induction Motor," IEEE Transactions on Automatic Control, vol. 51, no. 7, July 2006, pp. 1172-1177.

M. Shen, J. Wang, A. Joseph, F. Z. Peng, L. M. Tolbert, D. J. Adams, "Constant Boost Control of the Z-Source Inverter to Minimize Current Ripple and Voltage Stress," IEEE Transactions on Industry Applications, vol. 42, no. 3, May/June 2006, pp. 770-778.

Z. Du, L. M. Tolbert, J. N. Chiasson, "Active Harmonic Elimination for Multilevel Converters," IEEE Transactions on Power Electronics, vol. 21, no. 2, March 2006, pp. 459-469.

2005

L. M. Tolbert, B. Ozpineci, S. K. Islam, F. Z. Peng, "Impact of SiC Power Electronic Devices for Hybrid Electric Vehicles", Hybrid Gasoline-Electric Vehicle Development, SAE, 2005, ISBN 978-0- 7680-1500- 3.

J. Chiasson, K. Wang, M. Li, M. Bodson, L. M. Tolbert, "Algebraic methods for nonlinear systems: Parameter identification and state estimation," Current Trends in Nonlinear Systems and Control, Birkhauser, 2005, pp. 57-76.

K. Wang, J. Chiasson, M. Bodson, L. M. Tolbert, "A Nonlinear Least-Squares Approach for Identification of the Induction Motor Parameters," IEEE Transactions on Automatic Control, vol. 50, no. 10, October 2005, pp. 1622-1628.

Burak Ozpineci, Leon M. Tolbert, John N. Chiasson, "Harmonic Optimization of Multilevel Converters Using Genetic Algorithms," IEEE Power Electronics Letters, vol. 3, no. 3, September 2005, pp. 92-95.

J. N. Chiasson, L. M. Tolbert, K. J. McKenzie, Z. Du, "Elimination of Harmonics in a Multilevel Converter using the Theory of Symmetric Polynomials and Resultants," IEEE Transactions on Control Systems Technology, vol. 13, no. 2, March 2005, pp. 216-223.

J. N. Chiasson, L. M. Tolbert, Z. Du, K. J. McKenzie, "The Use of Power Sums to Solve the Harmonic Elimination Equations for Multilevel Converters," European Power Electronics and Drives Journal, vol. 15, no. 1, February 2005, pp. 19-27.

L. M. Tolbert, J. N. Chiasson, Z. Du, K. J. McKenzie, "Elimination of Harmonics in a Multilevel Converter with Non Equal DC Sources," IEEE Transactions on Industry Applications, vol. 41, no. 1, Jan./Feb. 2005, pp. 75-82.

2004

M. Hasanuzzaman, S. K. Islam, L. M. Tolbert, M. T. Alam, "Temperature Dependency of MOSFET Device Characteristics in 4H- and 6H-Silicon Carbide (SiC)," Solid State Electronics, vol. 48, no. 10-11, 2004, pp. 1877-1881.

J. D. Kueck, B. J. Kirby, L. M. Tolbert, D. T. Rizy, "Voltage Regulation: Tapping Distributed Energy Resources," Public Utilities Fortnightly, vol. 142, no. 9, September 2004, pp. 47-51.

John N. Chiasson, Leon M. Tolbert, Keith J. McKenzie, Zhong Du, "A Unified Approach to Solving the Harmonic Elimination Equations in Multilevel Converters," IEEE Transactions on Power Electronics, March 2004, vol. 19, no. 2, pp. 478-490.

Gui-Jia Su, Fang Z. Peng, Leon M. Tolbert, "A Passive Soft Switching Snubber for PWM Inverters," IEEE Transactions on Power Electronics, March 2004, vol. 19, no. 2, pp. 363-370.

John N. Chiasson, Leon M. Tolbert, Keith J. McKenzie, Zhong Du, "A Complete Solution to the Harmonic Elimination Problem," IEEE Transactions on Power Electronics, March 2004, vol. 19, no. 2, pp. 491-499.

M. Hasanuzzaman, S. Kamrul Islam, Leon M. Tolbert, "Effects of Temperature Variation (300-600 K) in MOSFET Modeling in 6H-Silicon Carbide," Solid State Electronics, vol. 48, no. 1, January 2004, pp. 125-132.

2003

John Chiasson, Leon Tolbert, Keith McKenzie, Zhong Du, "Real-Time Computer Control of a Multilevel Converter Using the Mathematical Theory of Results," Mathematics and Computers in Simulation, vol. 63, Nov. 2003, pp. 197-208.

John N. Chiasson, Leon M. Tolbert, Yinghui Lu, "A Library of SIMULINK Blocks for Real-Time Control of HEV Traction Drives," SAE 2002 Transactions Journal of Engines, September 2003, pp. 2376-2385.

Leon M. Tolbert, Burak Ozpineci, S. Kamrul Islam, Fang Z. Peng, "Impact of SiC Power Electronic Devices for Hybrid Electric Vehicles," SAE 2002 Transactions Journal of Passenger Cars - Electronic and Electrical Systems, September 2003, pp. 765-771.

Burak Ozpineci, Leon M. Tolbert, "Characterization of SiC Schottky Diodes at Different Temperatures," IEEE Power Electronics Letters, vol. 1, no. 2, June 2003, pp. 54-57.

Yan Xu, Leon M. Tolbert, Fang Z. Peng, John N. Chiasson, Jianqing Chen, "Compensation-based Non-active Power Definition," IEEE Power Electronics Letters, vol. 1, no. 2, June 2003, pp. 45-50.

John N. Chiasson, Leon M. Tolbert, Keith McKenzie, Zhong Du, "Control of a Multilevel Converter Using Resultant Theory,” IEEE Transactions on Control System Theory, vol. 11, no. 3, May 2003, pp. 345-354.

Leon M. Tolbert, William A. Peterson, Timothy J. Theiss, Matthew B. Scudiere, "Gen-Sets," IEEE Industry Applications Magazine, vol. 9, no. 2, March/April 2003, pp. 48-54.

2002

Burak Ozpineci, Leon M. Tolbert, S. Kamrul Islam, Mohammad Hasanuzzaman, "System Impact of SiC Power Devices," Frontiers in Electronics, 2002, ISBN 981-238-222-4, pp. 233-242.

Burak Ozpineci, Leon M. Tolbert, S. Kamrul Islam, Mohammad Hasanuzzaman, "System Impact of SiC Power Devices," International Journal of High Speed Electronics and Systems, vol. 12, no. 2, 2002, pp. 439-448.

Leon M. Tolbert, Fang Z. Peng, Tim Cunnyngham, John N. Chiasson, "Charge Balance Control Schemes for Cascade Multilevel Converter in Hybrid Electric Vehicles," IEEE Transactions on Industrial Electronics, vol. 49, no. 5, October 2002, pp. 1058-1065.

2000

Leon M. Tolbert, Fang Z. Peng, Thomas G. Habetler, "Multilevel PWM Methods at Low Modulation Indices," IEEE Transactions on Power Electronics, vol. 15, no. 4, July 2000, pp. 719-725.

Leon M. Tolbert, Fang Z. Peng, Thomas G. Habetler, "A Multilevel Converter-Based Universal Power Conditioner," IEEE Transactions on Industry Applications, vol. 36, no. 2, Mar./Apr. 2000, pp. 596-603.

1992 - 1999

Leon M. Tolbert, Thomas G. Habetler, "Novel Multilevel Inverter Carrier-Based PWM Method," IEEE Transactions on Industry Applications, vol. 35, no. 5, Sept./Oct. 1999, 1098-1107.

Leon M. Tolbert, Fang Z. Peng, Thomas G. Habetler, "Multilevel Converters for Large Electric Drives," IEEE Transactions on Industry Applications, vol. 35, no. 1, Jan./Feb. 1999, pp. 36-44.

J. S. Hsu, J. D. Kueck, M. Olszewski, P. J. Otaduy, D. A. Casada, L. M. Tolbert, "Comparison of Induction Motor Field Efficiency Evaluation Methods," IEEE Transactions on Industry Applications, vol. 34, no. 1, Jan. 1998, pp. 117-125.

Leon M. Tolbert, Lynn J. Degenhardt, Jeff T. Cleveland, "Reliability of Lightning-Resistant Overhead Lines," IEEE Industry Applications Magazine, July/August, 1997, pp. 17-21.

Thomas G. Habetler, Francesco Profumo, Michele Pastorelli, Leon M. Tolbert, "Direct Torque Control of Induction Machines Using Space Vector Modulation," IEEE Transactions on Industry Applications, vol. 28, no. 5, Sept./Oct. 1992, pp. 1045-1053.

Archival Proceedings from Refereed Conferences

2017

W. Zhang, Z. Zhang, F. Wang, D. Costinett, L. M. Tolbert, "Common Source Inductance Introduced Self-Turn- On in MOSFET Turn-Off Transient", IEEE Applied Power Electronics Conference and Exposition, Tampa, Florida, Mar. 26-30, 2017, pp. 837-842.

S. Ji, S. Zheng, Z. Zhang, F. Wang, L. M. Tolbert, "Protection and Temperature-Dependent Switching Characterization of Latest Generation 10 kV SiC MOSFETs", IEEE Applied Power Electronics Conference and Exposition, Tampa, Florida, Mar. 26-30, 2017, pp. 783-788.

Z. Zhang, C. Timms, J. Tang, R. Chen, J. Sangid, F. Wang, L. M. Tolbert, B. J. Blalock, D. Costinett, "Characterization of High-Voltage High-Speed Switching Power Semiconductors for High Frequency Cryogenically-Cooled Application", IEEE Applied Power Electronics Conference and Exposition, Tampa, Florida, Mar. 26-30, 2017, pp. 1964-1969.

S. Zhang, Y. Li, B. Liu, X. Shi, L. M. Tolbert, F. Wang, "HVDC Converter Transformer Saturation in Hybrid AC/DC System Caused by Coupled Transmission Lines", IEEE Applied Power Electronics Conference and Exposition, Tampa, Florida, Mar. 26-30, 2017, pp. 411-415.

J. Boles, Y. Ma, W. Cao, L. M. Tolbert, F. Wang, "Battery Energy Storage Emulation in a Converter- Based Power System Emulator", IEEE Applied Power Electronics Conference and Exposition, Tampa, Florida, Mar. 26-30, 2017, pp. 2355-2362.

2016

J. Dyer, Z. Zhang, F. Wang, D. J. Costinett, L. M. Tolbert, B. J. Blalock, "Online Condition Monitoring of SiC Devices Using Intelligent Gate Drive for Converter Performance Improvement", IEEE Workshop on Wide Bandgap Power Devices and Applications, Fayetteville, Arkansas, Nov. 7-9, 2016, pp. 182-187.

Zheyu Zhang, Xuanlyu Wu, Fred Wang, D. Costinett, L. M. Tolbert, B. Blalock, "Online Junction Temperature Monitoring Using Turn-Off Delay Time for Silicon Carbide Power Devices", IEEE Energy Conversion Congress and Exposition, Milwaukee, Wisconsin, Sept. 18-12, 2016, 7 pages.

Zhiyuan Shen, Handong Gui, L. M. Tolbert, "A Battery Cell Balancing Control Scheme with Minimum Charge Transfer", IEEE Energy Conversion Congress and Exposition, Milwaukee, Wisconsin, Sept. 18-12, 2016, 8 pages.

Yalong Li, Jin Liu, Xiaojie Shi, Fred Wang and L. M. Tolbert, "DC Fault Protection of Multi- Terminal VSC-HVDC System with Hybrid Dc Circuit Breaker", IEEE Energy Conversion Congress and Exposition, Milwaukee, Wisconsin, Sept. 18-12, 2016, 8 pages.

Shiqi Ji, Zhengming Zhao, Ting Lu, Fred Wang, L. Tolbert, Hualong Yu, "Active Voltage Balancing Control for Multi HV-IGBTs in Series Connection", IEEE Energy Conversion Congress and Exposition, Milwaukee, Wisconsin, Sept. 18-12, 2016, 6 pages.

F. Hu, L. Yang, J. Wang, Y. Ma, K. Sun, L. M. Tolbert, F. Wang, "Measurement-based Voltage Stability Assessment and Control on CURENT Hardware Test Bed System", IEEE Power Engineering Society General Meeting, Boston, Massachusetts, July 17-21, 2016, 5 pages.

J. Boles, B. Ozpineci, L. M. Tolbert, T. Burress, C. Ayers, J. Baxter, "Inductive Power Harvesting for a Touchless Transmission Line Inspection System", IEEE Power Engineering Society General Meeting, Boston, Massachusetts, July 17-21, 2016, 5 pages.

X. Shi, Y. Li, L. M. Tolbert, F. Wang, "Cascaded Droop Control for DC Overvoltage Suppression in a Multi-terminal HVDC System under Onshore Side AC Faults", IEEE Intl. Power Electronics and Motion Control Conference – ECCE Asia, Hefei, China, May 22-25, 2016, pp. 3627 - 3634.

M. S. Chinthavali, O. C. Onar, S. L. Campbell, L. M. Tolbert, "All-SiC Inductively Coupled Charger with Integrated Plug-in and Boost Functionalities for PEV Applications", IEEE Applied Power Electronics Conference and Exposition, Long Beach, California, March 20-24, 2016, pp. 1307-1314.

B. Liu, S. Zhang, S. Zheng, Y. Ma, F. Wang, L. M. Tolbert, "Design Considerations of Converter Based Transmission Line Emulator", IEEE Applied Power Electronics Conference and Exposition, Long Beach, California, March 20-24, 2016, pp. 966-973.

Z. Zhang, F. Wang, L. M. Tolbert, D. J. Costinett, B. J. Blalock, "Decoupling of Interaction between WBG Converter and Motor Load for Switching Performance Improvement", IEEE Applied Power Electronics Conference and Exposition, Long Beach, California, March 20-24, 2016, pp. 1569-1576.

Y. Ma, L. Yang, F. Wang, L. M. Tolbert, "Voltage Closed-Loop Virtual Synchronous Generator Control of Full Converter Wind Turbine for Grid-Connected and Stand-Alone Operation", IEEE Applied Power Electronics Conference and Exposition, Long Beach, California, March 20-24, 2016, pp. 1261-1266.

S. Zhang, Y. Ma, L. Yang, F. Wang, L. M. Tolbert, "Development of a Hybrid Emulation Platform Based on RTDS and Reconfigurable Power Converter-based Test-bed", IEEE Applied Power Electronics Conference and Exposition, Long Beach, California, March 20-24, 2016, pp. 3121-3127.

Y. Cui, W. Zhang, L. M. Tolbert, D. J. Costinett, F. Wang, B. J. Blalock, "Soft Switching for Half Bridge Current Doubler for High Voltage Point of Load Converter in Data Center Power Supplies", IEEE Applied Power Electronics Conference and Exposition, Long Beach, California, March 20-24, 2016, pp. 893-898.

X. Shi, Z. Wang, Y Li, B. Liu, L. M. Tolbert, F. Wang, "Steady State Analysis of Modular Multilvel Converter (MMC) with Unbalanced Grid Conditions", IEEE Applied Power Electronics Conference and Exposition, Long Beach, California, March 20-24, 2016.

2015

Z. Zhang, F. Wang, L. M. Tolbert, B. Blalock, D. Costinett, "Realization of High Speed Switching of SiC Power Devices in Voltage Source Converters", IEEE Workshop on Wide Bandgap Power Devices and Applications, Blacksburg, Virginia, Nov. 2-4, 2015.

S. Zheng, J. Wang, F. Yang, F. Wang, L. Tolbert, D. Costinett, "A DC Controller for Continuous Variable Series Reactors (CVSRs)", IEEE Energy Conversion Congress and Exposition, Montreal, Canada, Sept. 20-24, 2015, pp. 5786-5793.

M. S. Chinthavali, S. Campbell, O. C. Onar, L. M. Tolbert, "Isolated Wired and Wireless Battery Charger with Integrated Boost Converter for PHEV and EV Applications", IEEE Energy Conversion Congress and Exposition, Montreal, Canada, Sept. 20-24, 2015, pp. 607-614.

Y. Li, X. Shi, B. Liu, W. Lei, F. Wang, L. M. Tolbert, "Hardware Implementation of a 4-terminal HVDC Test-bed", IEEE Energy Conversion Congress and Exposition, Montreal, Canada, Sept. 20-24, 2015, pp. 5363-5370.

Y. Ma, L. Yang, F. Wang, L. M. Tolbert, "Short-Circuit Fault Emulation by Shunt Connected Voltage Source Converter", IEEE Energy Conversion Congress and Exposition, Montreal, Canada, Sept. 20- 24, 2015, pp. 2622-2628.

C. Riley, L. M. Tolbert, "An Online Autonomous I-V Tracer for PV Monitoring Applications", IEEE Power and Energy Society General Meeting, Denver, Colorado, July 26 – 31, 2015, 5 pages.

M. Chinthavali, O. Onar, S. Campbell, L. M. Tolbert, "Integrated Charger with Wireless Charging and Boost Functions for PHEV and EV Applications", IEEE Transportation Electrification Conference, Dearborn, Michigan, June 14-17, 2015, 8 pages.

Z. Wang, X. Shi, L. M. Tolbert, F. Wang, Z. Liang, D. J. Costinett, B. J. Blalock, "Development of a Board-level Integrated Silicon Carbide MOSFET Power Module for High Temperature Application", IEEE Intl. Workshop on Integrated Power Packaging, Chicago, Illinois, May 3-6, 2015, pp. 123-126.

Z. Zhang, Z. Wang, F. Wang, L. M. Tolbert, and B. J. Blalock, "Reliability-Oriented Design of Gate Driver for SiC Devices in Voltage Source Converter", IEEE International Workshop on Integrated Power Packaging, Chicago, Illinois, May 3-6, 2015, pp. 20-23.

Y. Long, W. Zhang, B. Blalock, L. M. Tolbert, F. Wang, "A 10-MHz resonant gate driver design for LLC resonant DC-DC converters using GaN devices", IEEE Applied Power Electronics Conference, Charlotte, North Carolina, Mar. 15-19, 2015, pp. 2093-2097.

Z. Zhang, F. Wang, L. M. Tolbert, B. J. Blalock, D. J. Costinett, "Active Gate Driver for Fast Switching and Cross-Talk Suppression of SiC Devices in a Phase-leg Configuration", IEEE Applied Power Electronics Conference, Charlotte, North Carolina, Mar. 15-19, 2015, pp. 774-781.

Z. Zhang, F. Wang, L. M. Tolbert, B. J. Blalock, D. J. Costinett, H. Lu, "Dead-Time Optimization of SiC Devices for Voltage Source Converter", IEEE Applied Power Electronics Conference and Exhibition, Charlotte, North Carolina, Mar. 15-19, 2015, pp. 1145-1152.

B. Liu, S. Zheng, Y. Ma, F. Wang, L. M. Tolbert, "Control and Implementation of Converter Based AC Transmission Line Emulation", IEEE Applied Power Electronics Conference and Exhibition, Charlotte, North Carolina, Mar. 15-19, 2015, pp. 1807-1814.

X. Shi, B. Liu, Z. Wang, Y. Li, L. M. Tolbert, F. Wang, "Startup Schemes for Modular Multilevel Converters under Different Load Conditions", IEEE Applied Power Electronics Conference and Exhibition, Charlotte, North Carolina, Mar. 15-19, 2015, pp. 2174-2180.

W. Zhang, Y. Cui, D. J. Costinett, F. Wang, L. M. Tolbert, B. J. Blalock, "Investigation of Gallium Nitride Devices Benefits on LLC Resonant DC-DC Converter", IEEE Applied Power Electronics Conference and Exhibition, Charlotte, North Carolina, Mar. 15-19, 2015, pp. 146-153.

Y. Cui, W. Zhang, L. M. Tolbert, D. J. Costinett, F. Wang, B. J. Blalock, "Efficiency Impact of MOSFET Output Junction Capacitance on a High Step Down Ratio Phase Shift Full Bridge DC/DC Converter", IEEE Applied Power Electronics Conference and Exhibition, Charlotte, North Carolina, Mar. 15-19, 2015, pp. 2083-2089.

Y. Cui, W. Zhang, L. M. Tolbert, D. J. Costinett, F. Wang, B. J. Blalock, "Two Phase Interleaved ISOP Connected High Step Down Ratio Phase Shift Full Bridge DC/DC Converter with GaN FETs", IEEE Applied Power Electronics Conference and Exhibition, Charlotte, North Carolina, Mar. 15-19, 2015, pp. 1414-1419.

B. J. Johnson, M. R. Starke, O. A. Abdelaziz, R. K. Jackson, L. M. Tolbert, "A Dynamic Simulation Tool for Estimating Demand Response Potential from Residential Loads", IEEE Innovative Smart Grid Technologies Conference, Feb. 17-20, 2015, Washington, DC, 5 pages.

2014

W. Zhang, B. Guo, F. Xu, Y. Cui, Y. Long, F. Wang, L. M. Tolbert, B. J. Blalock, "Wide Bandgap Power Devices Based High Efficiency Power Converters for Data Center Application", IEEE Workshop on Wide Bandgap Power Devices and Applications, Knoxville, Tennessee, Oct. 13-15, 2014, pp. 121-126.

Z. Liang, F. Wang, L. Tolbert, "Development of Packaging Technologies for Advanced SiC Power Modules", IEEE Workshop on Wide Bandgap Power Devices and Applications, Knoxville, Tennessee, Oct. 13-15, 2014, pp. 42-47.

Z. Zhang, F. Wang, L. M. Tolbert, B. J. Blalock, D. Costinett, "Understanding the Limitations and Impact Factors of Wide Bandgap Devices’ High Switching-Speed Capability in a Voltage Source Converter", IEEE Workshop on Wide Bandgap Power Devices and Applications, Knoxville, Tennessee, Oct. 13-15, 2014, pp. 7-12.

W. Zhang, F. Wang, L. M. Tolbert, B. J. Blalock, D. Costinett, "Investigation of Soft-switching Behavior of 600 V Cascode GaN HEMT", IEEE Energy Conversion Congress and Exposition, Pittsburgh, Pennsylvania, Sept. 14-18, 2014, pp. 2865-2872.

B. Trento, L. M. Tolbert, D. Costinett, "Grid Synchronization Using Fixed Filtering with Magnitude and Phase Compensation", IEEE Energy Conversion Congress and Exposition, Pittsburgh, Pennsylvania, Sept. 14-18, 2014, pp. 2641-2647.

Y. Xue, J. Lu, Z. Wang, L. M. Tolbert, B. J. Blalock, F. Wang, "A Compact Planar Rogowski Coil Current Sensor for Active Current Balancing of Parallel-Connected Silicon Carbide MOSFETs", IEEE Energy Conversion Congress and Expo., Pittsburgh, Pennsylvania, Sept. 14-18, 2014, pp. 4685-4690.

Z. Wang, X. Shi, L. M. Tolbert, F. Wang, Z. Liang, D. Costinett, B. Blalock, "A High Temperature Silicon Carbide MOSFET Power Module with Integrated Silicon-on- Insulator Based Gate Drive", IEEE Energy Conversion Congress and Expo., Pittsburgh, PA, Sept. 14-18, 2014, pp. 4373-4380.

Z. Zhang, F. Wang, L. M. Tolbert, B. J. Blalock, D. Costinett, "Evaluation of Switching Performance of SiC Devices in PWM Inverter Fed Induction Motor Drives", IEEE Energy Conversion Congress and Exposition, Pittsburgh, Pennsylvania, Sept. 14-18, 2014, pp. 1597-1604.

J. Wang, L. Yang, Y. Ma, L. M. Tolbert, F. Wang, K. Tomsovic, "Static and Dynamic Power System Load Emulation in Converter-based Reconfigurable Power Grid Emulator", IEEE Energy Conversion Congress and Exposition, Pittsburgh, Pennsylvania, Sept. 14-18, 2014, pp. 4008-4015.

L. Yang, Y. Ma, J. Wang, J. Wang, X. Zhang, L. M. Tolbert, F. Wang, K. Tomsovic, "Development of Converter Based Reconfigurable Power Grid Emulator", IEEE Energy Conversion Congress and Exposition, Pittsburgh, Pennsylvania, Sept. 14-18, 2014, pp. 3990-3997.

B. Xiao, L. M. Tolbert, "Efficiency Improved and Current Balanced Three-Phase Modular Cascaded H-Bridge Multilevel PV Inverter for Grid-Connected Applications", IEEE Energy Conversion Congress and Exposition, Pittsburgh, Pennsylvania, Sept. 14-18, 2014, pp. 4661-4669.

X. Shi, Z. Wang, B. Liu, Y. Li, L. M. Tolbert, and F. Wang, "DC Impedance Modelling of a MMC- HVDC System for DC Voltage Ripple Prediction under a Single-Line- to-Ground Fault", IEEE Energy Conversion Congress and Exposition, Pittsburgh, Pennsylvania, Sept. 14-18, 2014, pp. 5339-5346.

B. Trento, B. Wang, K. Sun, L. M. Tolbert, "Integration of Phase-Locked Loop Based Real-Time Oscillation Tracking in Grid Synchronized Systems", IEEE Power and Energy Society General Meeting, Washington, DC, July 27-31, 2014.

B. J. Johnson, M. R. Starke, O. A. Abdelaziz, R. K. Jackson, L. M. Tolbert, "A MATLAB Based Occupant Driven Dynamic Model for Predicting Residential Power Demand", IEEE Transmission and Distribution Conference and Exposition, Chicago, Illinois, April 14-17, 2014, 5 pages.

L. GopiReddy, L. M. Tolbert, B. Ozpineci, "Operating Parameter Based Wirebond Model for a Power Module", IEEE Applied Power Electron. Conf., Ft. Worth, Texas, March 16-20, 2014, pp. 3502-3506.

B. Guo, F. Xu, F. Wang, L. M. Tolbert, B. J. Blalock, "Overvoltage Protection Scheme for Three- Phase Current Source Converter Built with SiC MOSFETs", IEEE Applied Power Electronics Conference and Exposition, Ft. Worth, Texas, March 16-20, 2014, pp. 3469-3476.

Y. Cui, W. Zhang, L. M. Tolbert, F. Wang, B. J. Blalock, "Direct 400 V to 1 V Converter for Data Center Power Supplies Using GaN FETs", IEEE Applied Power Electronics Conference and Exposition, Ft. Worth, Texas, March 16-20, 2014, pp. 3460-3464.

Y. Cui, F. Xu, W. Zhang, B. Guo, L. M. Tolbert, F. Wang, B. J. Blalock, L. Jenkins, C. Wilson, J. Aggas, B. Rhea, J. Moses, R. Dean, "High Efficiency Data Center Power Supply Using Wide Band Gap Power Devices", IEEE Applied Power Electronics Conference and Exposition, Ft. Worth, Texas, March 16-20, 2014, pp. 3437-3442.

Y. Ma, L. Yang, J. Wang, F. Wang, L. M. Tolbert, "Emulating Full-Converter Wind Turbine by a Single Converter in a Multiple Converter Based Emulation System", IEEE Applied Power Electronics Conference and Exposition, Ft. Worth, Texas, March 16-20, 2014, pp. 3042-3047.

Z. Zhang, B. Guo, F. Wang, L. M. Tolbert, B. J. Blalock, Z. Liang, P. Ning, "Impact of Ringing on Switching Losses of Wide Band-Gap Devices in a Phase-Leg Configuration", IEEE Applied Power Electronics Conference and Exposition, Ft. Worth, Texas, March 16-20, 2014, pp. 2542-2549.

Z. Zhang, B. Guo, F. Wang, L. M. Tolbert, B. J. Blalock, Z. Liang, P. Ning, "Methodology for Switching Characterization Evaluation of Wide Band-Gap Devices in a Phase-Leg Configuration", IEEE Applied Power Electronics Conference, Ft. Worth, Texas, March 16-20, 2014, pp. 2534-2541.

L. GopiReddy, . M. Tolbert, B. Ozpineci, J. Pinto, "Rainflow Algorithm Based Lifetime Estimation of Power Semiconductors in Utility Applications", IEEE Applied Power Electronics Conference and Exposition, Ft. Worth, Texas, March 16-20, 2014, pp. 2293-2299.

Y. Long, W. Zhang, B. J. Blalock, L. M. Tolbert, F. Wang, "A 10-MHz Resonant Gate Driver Design for LLC Resonant DC-DC Converters Using GaN Devices", IEEE Applied Power Electronics Conference and Exposition, Ft. Worth, Texas, March 16-20, 2014, pp. 2093-2097.

Y. Xue, J. Lu, Z. Wang, L. M. Tolbert, B. J. Blalock, F. Wang, "Active Compensation of Current Unbalance in Paralleled Silicon Carbide MOSFETs", IEEE Applied Power Electronics Conference and Exposition, Ft. Worth, Texas, March 16-20, 2014, pp. 1471-1477.

Z. Xu, W. Zhang, F. Xu, F. Wang, L. M. Tolbert, B. J. Blalock, "Investigation of 600 V GaN HEMTs for High Efficiency and High Temperature Applications", IEEE Applied Power Electronics Conference and Exposition, Ft. Worth, Texas, March 16-20, 2014, pp. 131-136.

F. Xu, B. Guo, Z. Xu, L. M. Tolbert, F. Wang, B. J. Blalock, "High Efficiency Paralleled Three-Phase Current Source Front-End Rectifiers for Data Center Power Supplies with Current Balancing and Hot- Swap", IEEE Applied Power Electronics Conference and Exposition, Ft. Worth, Texas, March 16-20, 2014, pp. 900-905.

B. J. Johnson, M. R. Starke, O. A. Abdelaziz, R. K. Jackson, L. M. Tolbert, "A Method for Modeling Household Occupant Behavior to Simulate Residential Energy Consumption", IEEE PES Innovative Smart Grid Technologies Conference, Washington, DC, February 17-20, 2014, 5 pages.

2013

Y. Cui, L. M. Tolbert, "High Step Down Ratio (400 V to 1 V) Phase Shift Full Bridge DC/DC Converter for Data Center Power Supplies with GaN FETs", IEEE Workshop on Wide Bandgap Devices and Applications, Columbus, Ohio, Oct. 27-29, 2013, pp. 23-27.

J. Wang, L. Yang, C. Blalock, and L. M. Tolbert, "Flywheel energy storage emulation using reconfigurable hardware test-bed of power converters", Proc. Electrical Energy Storage Applications and Technologies Technical Conference, San Diego, California, Oct. 20-23, 2013.

X. Shi, Z. Wang, L. M. Tolbert, F. Wang, "A Comparison of Phase Disposition and Phase Shift PWM Strategies for Modular Multilevel Converters", IEEE Energy Conversion Congress and Exposition, Denver, Colorado, Sept. 15-19, 2013, pp. 4089-4096.

X. Shi, Z. Wang, L. M. Tolbert, F. Wang, "Analysis and Control of DC Voltage Ripple for Modular Multilevel Converters under Single Line to Ground Fault", IEEE Energy Conversion Congress and Exposition, Denver, Colorado, Sept. 15-19, 2013, pp. 4112-4118.

Y. Ma, L. Yang, J. Wang, X. Shi, F. Wang, L. M. Tolbert, "Circulating Current Control and Reduction in a Paralleled Converter Test-bed System", IEEE Energy Conversion Congress and Exposition, Denver, Colorado, Sept. 15-19, 2013, pp. 5426-5432.

W. Cao, Y. Ma, J. Wang, L. Yang, J. Wang, F. Wang, L. M. Tolbert, "Two-Stage PV Inverter System Emulator in Converter Based Power Grid Emulation System", IEEE Energy Conversion Congress and Exposition, Denver, Colorado, Sept. 15-19, 2013, pp. 4518-4525.

L. Yang, X. Zhang, Y. Ma, J. Wang, L. Hang, K. Lin, L. M. Tolbert, F. Wang, K. Tomsovic, "Stability Analysis of Inverter Based Generator Emulator in Test-bed for Power Systems", IEEE Energy Conversion Congress and Exposition, Denver, Colorado, Sept. 15-19, 2013, pp. 5410-5417.

W. Zhang, Z. Xu, Z. Zhang, F. Wang, L. M. Tolbert, B. Blalock, "Evaluation of 600 V Cascode GaN HEMT in Device Characterization and All-GaN- Based LLC Resonant Converter", IEEE Energy Conversion Congress and Exposition, Denver, Colorado, Sept. 15-19, 2013, pp. 3571-3578.

F. Xu, B. Guo, Z. Xu, L. M. Tolbert, F. Wang, B. Blalock, "DC-Link Current Control Scheme for Paralleled Three-Phase Current Source Rectifiers in High Efficiency Power Supply System", IEEE Energy Conversion Congress and Exposition, Denver, Colorado, Sept. 15-19, 2013, pp. 3348-3355.

Z. Zhang, F. Wang, L. M. Tolbert, B. Blalock, "A Gate Assist Circuit for Cross Talk Suppression of SiC Devices in a Phase-leg Configuration", IEEE Energy Conversion Congress and Exposition, Denver, Colorado, Sept. 15-19, 2013, pp. 2536-2543.

Y. Xue, J. Lu, Z. Wang, L. M. Tolbert, B. Blalock, F. Wang, "Active Current Balancing for Parallel- Connected Silicon Carbide MOSFETs", IEEE Energy Conversion Congress and Exposition, Denver, Colorado, Sept. 15-19, 2013, pp. 1563-1569.

Z. Wang, X. Shi, Y. Xue, L. M. Tolbert, B. Blalock, F. Wang, "Design and Performance Evaluation of Overcurrent Protection Schemes for Silicon Carbide (SiC) Power MOSFETs", IEEE Energy Conversion Congress and Exposition, Denver, Colorado, Sept. 15-19, 2013, pp. 5418-5425.

S. Liu, L. Hang, L. M. Tolbert, Z. Lu, "A Novel Strategy for Vienna-type Rectifier With Light Unbalanced Input Voltage", IEEE Energy Conversion Congress and Exposition, Denver, Colorado, Sept. 15-19, 2013, pp. 4253-4257.

A. Sanchez-Ruiz, G. Abad, S. Alvarez, L. M. Tolbert, "Modulation Selection Procedure Applied to a High-Power Adjustable High-Speed Drive", European Conference on Power Electronics and Applications (IEEE ECCE Europe), Lille, France, September 3-5, 2013, 10 pages.

Y. Xue, Z. Wang, L. M. Tolbert, B. J. Blalock, "Analysis and Optimization of Buffer Circuits in High Current Gate Drive", IEEE Transportation Electrification Conference and Expo, Dearborn, Michigan, June 16-19, 2013, 6 pages.

X. Shi, Z. Wang, L. M. Tolbert, F. Wang, "Modular Multilevel Converters with Integrated Arm Inductors for High Quality Current Waveforms", IEEE Energy Conversion Congress and Exposition Asia, Melbourne, Australia, June 3-6, 2013, pp. 636-642.

B. Li, M. Zhang, L. Huang, L. Hang, L. M. Tolbert, "A Robust Multi-Resonant PR Regulator for Three-Phase Grid-Connected VSI Using Direct Pole Placement Design Strategy", IEEE Applied Power Electronics Conference and Exposition, Long Beach, California, March 17-21, 2013, pp. 960-966.

B. Li, L. Hang, L. M. Tolbert, "A New Optimized Pole Placement Strategy of Grid-Connected Inverter with LCL-Filter Based on State Variable Feedback and State Observer", IEEE Applied Power Electronics Conference and Exposition, Long Beach, California, March 17-21, 2013, pp. 2900-2906.

M. Zhang, B. Li, L. Huang,W. Yao, Z. Lu, L. Hang, L. M. Tolbert, "A Novel Strategy for Three- phase/switch/level (Vienna) Rectifier under Severe Unbalanced Grids", IEEE Applied Power Electronics Conference and Exposition, Long Beach, California, March 17-21, 2013, pp. 1826-1832.

Z. Zhang, F. Wang, L. M. Tolbert, B. Blalock, "A Novel Gate Assist Circuit for Cross Talk Mitigation of SiC Power Devices in a Phase-leg Configuration", IEEE Applied Power Electronics Conference and Exposition, Long Beach, California, March 17-21, 2013, pp. 1259-1265.

Z. Wang, X. Shi, L. M. Tolbert, B. Blalock, "Switching Performance Improvement of IGBT Modules Using an Active Gate Driver", IEEE Applied Power Electronics Conference and Exposition, Long Beach, California, March 17-21, 2013, pp. 1266-1273.

Z. Wang, X. Shi, L. M. Tolbert, B. Blalock, M. Chinthavali, "A Fast Overcurrent Protection Scheme for IGBT Modules Through Dynamic Fault Current Evaluation", IEEE Applied Power Electronics Conference and Exposition, Long Beach, California, March 17-21, 2013, pp. 577-583.

R. L. Greenwell, B. M. McCue, B. J. Blalock, L. M. Tolbert, S. K. Islam, "High-Temperature SOI- Based Gate Driver IC for WBG Power Switches", IEEE Applied Power Electronics Conference and Exposition, Long Beach, California, March 17-21, 2013, pp. 1768-1775.

K. Shen, B. Xiao, J. Mei, L. M. Tolbert, J. Wang, X. Cai, Y. Ji, "A Modulation Reconfiguration Based Fault-Tolerant Control Scheme for Modular Multilevel Converters", IEEE Applied Power Electronics Conference and Exposition, Long Beach, California, March 17-21, 2013, pp. 3251-3255.

B. Xiao, L. Hang, L. M. Tolbert, "Control of Three-Phase Cascaded Voltage Source Inverter for Grid- Connected Photovoltaic Systems", IEEE Applied Power Electronics Conference and Exposition, Long Beach, California, March 17-21, 2013, pp. 291-296.

B. Xiao, L. Hang, C. Riley, L. M. Tolbert, B. Ozpineci, "Three-Phase Modular Cascaded H-Bridge Multilevel Inverter with Individual MPPT for Grid-Connected Photovoltaic Systems", IEEE Applied Power Electronics Conference and Exposition, Long Beach, Calif., March 17-21, 2013, p. 468-474.

L. Yang, X. Zhang, Y. Ma, J. Wang, L. Hang, K. Lin, L. M. Tolbert, F. Wang, K. Tomsovic, "Hardware Implementation and Control Design of Generator Emulator in Multi-Converter System", IEEE Applied Power Electronics Conference and Exposition, Long Beach, California, March 17-21, 2013, pp. 2316-2323.

X. Shi, Z. Wang, Y. Ma, L. Hang, L. M. Tolbert, F. Wang, "Modeling and Control of an LCL Filter Based Three-Phase Active Rectifier in Grid Emulator", IEEE Applied Power Electronics Conference and Exposition, Long Beach, California, March 17-21, 2013, pp. 992-998.

J. Wang, Y. Ma, L. Yang, L. M. Tolbert, F. Wang, "Power Converter-based Three-phase Induction Motor Load Emulator", IEEE Applied Power Electronics Conference and Exposition, Long Beach, California, March 17-21, 2013, pp. 3270-3274.

W. Zhang, Y. Long, Y. Long, F. Wang, L. M. Tolbert, B. Blalock, S. Henning, J. Moses, R. Dean, "Impact of Planar Transformer Winding Capacitance on Si-based and GaN-based LLC Resonant Converter", IEEE Applied Power Electronics Conference and Exposition, Long Beach, California, March 17-21, 2013, pp. 1668-1674.

B. Guo, F. Xu, Z. Zhang, Z. Xu, F. Wang, L. M. Tolbert, B. J. Blalock, "Compensation of Input Current Distortion in Three-Phase Buck Rectifiers," IEEE Applied Power Electronics Conference and Exposition, Long Beach, California, March 17-21, 2013, pp. 930-938.

F. Xu, B. Guo, Z. Xu, L. M. Tolbert, F. Wang, B. Blalock, "SiC Based Current Source Rectifier Paralleling and Circulating Current Suppression," IEEE Applied Power Electronics Conference and Exposition, Long Beach, California, March 17-21, 2013, pp. 402-409.

2012

L. GopiReddy, L. M. Tolbert, B. Ozpineci, "Lifetime Prediction of IGBT in a STATCOM Using Modified-Graphical Rainflow Counting Algorithm," IEEE Industrial Electronics Society Annual Conference, Montreal, Canada, October 25-28, 2012.

B. Li, L. Hang, L. M. Tolbert, Z. Lu, "Equivalent of SVM and Carrier-based PWM in Three Phase/Wire/Level VIENNA Rectifier for Unbalanced-Load Control," IEEE Energy Conversion Congress and Exposition, Raleigh, North Carolina, September 15-20, 2012, pp. 988-995.

J. Wang, L. Yang, X. Zhang, K. Lin, X. Shi, L. Hang, L. M. Tolbert, F. Wang, K. Tomsovic, "Regenerative Power Converters Representation of Grid Control and Actuation Emulator," IEEE Energy Conversion Congress and Exposition, Raleigh, North Carolina, September 15-20, 2012, pp. 2460-2465.

W. Zhang, Y. Long, Z. Zhang, F. Wang, L. M. Tolbert, B. J. Blalock, S. Henning, C. Wilson, R. Dean, "Evaluation and Comparison of Silicon and Gallium Nitride Power Transistors in LLC Resonant Converter," IEEE Energy Conversion Congress and Exposition, Raleigh, North Carolina, September 15-20, 2012, pp. 1362-1366.

B. Xiao, K. Shen, J. Mei, F. Filho, L. M. Tolbert, "Control of Cascaded H-Bridge Multilevel Inverter with Individual MPPT for Grid-Connected Photovoltaic Generators," IEEE Energy Conversion Congress and Exposition, Raleigh, North Carolina, September 15-20, 2012, pp. 3715-3721.

Z. Zhang, W. Zhang, F. Wang, L. M. Tolbert, B. J. Blalock, "Analysis on the Switching Speed Limitation of Wide Band-gap Devices in the Phase-leg Configuration," IEEE Energy Conversion Congress and Exposition, Raleigh, North Carolina, September 15-20, 2012, pp. 3950-3955.

F. Xu, B. Guo, L. M. Tolbert, F. Wang, B. Blalock, "Design and Performance of an All-SiC Three-Phase Buck Rectifier for High Efficiency Data Center Power Supplies," IEEE Energy Conversion Congress and Exposition, Raleigh, North Carolina, September 15-20, 2012, pp. 2927-2933.

Y. Xu, H. Li, L. M. Tolbert, "Inverter-Based Microgrid Control and Stable Islanding Transition," IEEE Energy Conversion Congress and Exposition, Raleigh, North Carolina, September 15-20, 2012, pp. 2374-2380.

B. Diong, L. Dofflemyer, B. Xiao, L. M. Tolbert, F. Filho, "Hybrid Single-Phase Multilevel Inverters as Renewable Energy Interfaces Considering THD, Modularity and Capacitor Recharging," IEEE Energy Conversion Congress and Exposition, Raleigh, North Carolina, September 15-20, 2012, pp. 1540-1547.

F. J. T. Filho, L. M. Tolbert, B. Ozpineci, "Real Time Selective Harmonic Minimization for Multilevel Inverters Using Genetic Algorithm and Artificial Neural Network Angle Generation," IEEE International Power Electronics and Motion Control Conference (ECCE Asia), Harbin, China, June 2-5, 2012, pp. 895-899.

L. Hang, L. M. Tolbert, G. Yan, J. Chen, "A High Power Density Three-Phase PFC Converter Based on VIENNA Topology," IEEE International Power Electronics and Motion Control Conference (ECCE Asia), Harbin, China, June 2-5, 2012, pp. 1034-1037.

Z. Wang, X. Shi, Y. Xue, L. M. Tolbert, B. Blalock, "A Gate Drive Circuit of High Power IGBTs for Improved Turn-on Characteristics under Hard Switching Conditions," IEEE Workshop on Control and Modeling for Power Electronics, Kyoto, Japan, June 10-13, 2012, 7 pages.

L. Huang, B. Li, Z. Lu, L. Hang, L. Tolbert, "PR Controller for Grid-Connected Inverter Control Using Direct Pole Placement Strategy," IEEE International Symposium on Industrial Electronics, Hangzhou, China, May 28-31, 2012, pp. 469-474.

B. Li, L. Hang, L. M. Tolbert, W. Yao, Z. Lu, "Equivalence of SVM and Carrier-based PWM in Three Phase/Wire/Level VIENNA Rectifier and Unbalanced-Load Ability," IEEE International Symposium on Industrial Electronics, Hangzhou, China, May 28-31, 2012, pp. 328-333.

Y. Cui, M. Chinthavali, F. Xu, L. M. Tolbert, "Characterization and Modeling of Silicon Carbide Power Devices and Paralleling Operation," IEEE International Symposium on Industrial Electronics, Hangzhou, China, May 28-31, 2012, pp. 228-233.

B. M. McCue, R. L. Greenwell, M. I. Laurence, B. J. Blalock, S. K. Islam, L. M. Tolbert, "SOI Based Voltage Regulator for High-Temperature Applications," IMAPS International Conference on High Temperature Electronics, Albuquerque, New Mexico, May 8-10, 2012, 7 pages.

R. L. Greenwell, B. M. McCue, M. I. Laurence, C. Fandrich, B. J. Blalock, L. M. Tolbert, S. K. Islam, "SOI-Based Integrated Gate Driver Circuit for High-Temperature Applications," IMAPS International Conference on High Temperature Electronics, Albuquerque, New Mexico, May 8-10, 2012, 12 pages.

M. Pickelsimer, L. M. Tolbert, B. Ozpineci. J. Miller, "Simulation of a Wireless Power Transfer System for Electric Vehicles with Power Factor Correction," IEEE International Electric Vehicle Conference, Greenville, South Carolina, March 4-8, 2012, 6 pages.

M. Zhang, B. Li, L. Hang, L. M. Tolbert, Z. Lu, "Performance Study for High Power Density Three-Phase Vienna PFC Rectifier by Using SVPWM Control Method," IEEE Applied Power Electronics Conference, Orlando, Florida, Feb. 5-9, 2012, pp. 1187-1191.

L. GopiReddy, L. M. Tolbert, B. Ozpineci, Y. Xu, T. Rizy, "Reliability of IGBT in a STATCOM for Harmonic Compensation and Power Factor Correction," IEEE Applied Power Electronics Conference, Orlando, Florida, Feb. 5-9, 2012, pp. 783-788.

Y. Cui, M. Chinthavali, L. M. Tolbert, "Temperature Dependent PSpice Model of Silicon Carbide Power MOSFET," IEEE Applied Power Electronics Conference, Orlando, Florida, Feb. 5-9, 2012, pp. 1698-1704.

F. Xu, B. Guo, L. M. Tolbert, F. Wang, B. J. Blalock, "Evaluation of SiC MOSFETs for a High Efficiency Three-Phase Buck Rectifier," IEEE Applied Power Electronics Conference, Orlando, Florida, Feb. 5-9, 2012, pp. 1762-1769.

2011

D. Jiang, F. Xu, F. Wang, L. M. Tolbert, T. J. Han, S. J. Kim, "Experimental Study of Power Module with SiC Devices," IEEE Energy Conversion Congress and Exposition, Phoenix, Arizona, Sept. 18-22, 2011.

L. GopiReddy, L. M. Tolbert, B. Ozpineci, Y. Xu, T. Rizy, "Impact of Power Factor Correction and Harmonic Compensation by STATCOM on Converter Temperature," IEEE Energy Conversion Congress and Exposition, Phoenix, Arizona, Sept. 18-22, 2011.

F. Xu, D. Jiang, J. Wang, F. Wang, L. M. Tolbert, T. J. Han, S. J. Kim, "Characterization of a High Temperature Multichip SiC JFET-Based Module," IEEE Energy Conversion Congress and Exposition, Phoenix, Arizona, Sept. 18-22, 2011.

F. Filho, L. Tolbert, B. Ozpineci, "Multilevel Cascade H-bridge Inverter DC Voltage Estimation Through Output Voltage Sensing," IEEE Energy Conversion Congress and Exposition, Phoenix, Arizona, Sept. 18-22, 2011.

B. Xiao, F. Filho, L. M. Tolbert, "Single-Phase Cascaded H-Bridge Multilevel Inverter with Nonactive Power Compensation for Grid-Connected Photovoltaic Generators," IEEE Energy Conversion Congress and Exposition, Phoenix, Arizona, Sept. 18-22, 2011.

F. Xu, L. M. Tolbert, Y. Xu, "Critical Evaluation of FBD, PQ and Generalized Non-Active Power Theories," European Conference on Power Electronics and Applications (IEEE ECCE Europe), Birmingham, United Kingdom, Aug. 30 - Sept. 1, 2011.

M. Kisacikoglu, B. Ozpineci, L. M. Tolbert, "Reactive Power Operation Analysis of a Single-Phase EV/PHEV Bidirectional Battery Charger," , Jeju, Korea, May 30 - June 3, 2011.

F. Xu, D. Jiang, F. Wang, L. M. Tolbert, T. J. Han, J. Nagashima, S. J. Kim, "High Temperature Packaging of 50 kW Three-Phase Module," , Jeju, Korea, May 30 - June 3, 2011.

F. Xu, J. Wang, D. Jiang, F. Wang, L. M. Tolbert, T. J. Han, F. Flett, "Design and Characterization of a Three-Phase Multichip SiC JFET Module," International Exhibition and Conference for Power Conversion in Intelligent Motion and Power Quality (PCIM Europe 2011), Nuremburg, Germany, May 8-10, 2011.

M. Kisacikoglu, B. Ozpineci, L. M. Tolbert, F. Wang, "Single-phase Inverter Design for V2G Reactive Power Compensation," IEEE Applied Power Electronics Conference, Fort Worth, Texas, March 6-10, 2011, pp. 808-814.

R. L. Greenwell, B. M. McCue, L. Zuo, M. A. Huque, L. M. Tolbert, B. J. Blalock, S. K. Islam, "SOI-Based Integrated Circuits for High-Temperature Power Electronics Applications," IEEE Applied Power Electronics Conference, Fort Worth, Texas, March 6-10, 2011, pp. 836-843.

M. Chinthavali, P. Ning, Y. Cui, L. M. Tolbert, "Investigation on the Parallel Operation of Discrete SiC BJTs and JFETs," IEEE Applied Power Electronics Conference, Fort Worth, Texas, March 6-10, 2011, pp. 1076-1083.

S. Li, L. M. Tolbert, F. Wang, F. Z. Peng, "P-cell and N-cell based IGBT Module: Layout Design, Parasitic Extraction, and Experimental Verification," IEEE Applied Power Electronics Conference, Fort Worth, Texas, March 6-10, 2011, pp. 372-378.

H. Qi, Y. Liu, F. Li, J. Luo, L. He, K. Tomsovic, Leon Tolbert, Q. Cao, "Increasing the Resolution of Wide-Area Situational Awareness of the Power Grid through Event Unmixing," IEEE Hawaii International Conference on System Science, Hawaii, Jan. 4-7, 2011, 8 pages.

2010

M. Kisacikoglu, B. Ozpineci, L. M. Tolbert, "V2G Reactive Power Compensation Using a PHEV Bidirectional Charger Interface Rated at Level 1, 2, and 3 Charging Standards," IEEE Energy Conversion Congress and Exposition, Atlanta, Georgia, Sept. 12-16, 2010.

S. Khomfoi, L. M. Tolbert, "A Hybrid Cascaded Multilevel Inverter Application for Renewable Energy Resources Including a Reconfiguration Technique," IEEE Energy Conversion Congress and Exposition, Atlanta, Georgia, Sept. 12-16, 2010.

S. Li, L. M. Tolbert, F. Wang, F. Z. Peng, "Reduction of Stray Inductance in Power Electronic Modules Using Basic Switching Cells," IEEE Energy Conversion Congress and Exposition, Atlanta, Georgia, Sept. 12-16, 2010.

F. Filho, L. M. Tolbert, Y. Cao, B. Ozpineci, "Real Time Selective Harmonic Minimization for Multilevel Inverters Connected to Solar Panels Using Artificial Neural Network Angle Generation," IEEE Energy Conversion Congress and Exposition, Atlanta, Georgia, Sept. 12-16, 2010.

S. Lee, L. M. Tolbert, "Study of Various Slanted Air-gap Structures of Interior Permanent Magnet Synchronous Motor with Brushless Field Excitation," IEEE Energy Conversion Congress and Exposition, Atlanta, Georgia, Sept. 12-16, 2010.

L. Zuo, R. Greenwell, S. K. Islam, M. A Huque, B. J. Blalock, L. M. Tolbert, "A Universal SOI Based High Temperature Gate Driver Integrated Circuit for SiC Power Switches with On-Chip Short Circuit Protection," IEEE Lester Eastman Conference on High Performance Devices, Troy, New York, August 3-5, 2010.

O. Aluko, T. Smith, L. M. Tolbert, "Behavior of Doubly-Fed Induction Generator Under Nearby Wind Plant Fault," IEEE Power and Energy Society General Meeting, Minneapolis, Minnesota, July 28-31, 2010, 5 pages.

M. Chinthavali, L. M. Tolbert, H. Zhang, B. Ozpineci, J. H. Han, F. Barlow, "High Power SiC Modules for HEVs and PHEVs," IEEE International Power Electronics Conference, Sapporo, Japan, June 21-24, 2010, pp. 1842-1848.

L. Zuo, S. K. Islam, M. A. Huque, B. J. Blalock, L. M. Tolbert, "A Universal BCD-on-SOI Based High Temperature Short Circuit Protection for SiC Power Switches," IMAPS International Conference on High Temperature Electronics (HITEC), Albuquerque, New Mexico, May 11-13, 2010, 6 pages.

C. Su, B. J. Blalock, S. K. Islam, L. Zuo, L. M. Tolbert, "A High-Temperature Folded-Cascode Operational Transconductance Amplifier in 0.8-µm BCD-on-SOI," IMAPS International Conference on High Temperature Electronics (HITEC), Albuquerque, New Mexico, May 11-13, 2010, 6 pages.

M. Kisacikoglu, B. Ozpineci, L. M. Tolbert, "Examination of a PHEV Bidirectional Charger System for V2G Reactive Power Compensation," IEEE Applied Power Electronics Conference, Palm Springs, California, Feb. 21-25, 2010, pp. 458-465.

F. Filho, Yue Cao, L. M. Tolbert, Ò11-level Cascaded H-bridge Grid-tied Inverter Interface with Solar Panels,Ó IEEE Applied Power Electronics Conference, Palm Springs, California, Feb. 21-25, 2010, pp. 968-972.

H. Zhang, M. Chinthavali, L. M. Tolbert, J. H. Han, F. Barlow, "18 kW Three Phase Inverter System Using Hermetically Sealed SiC Phase-Leg Power Modules," IEEE Applied Power Electronics Conference, Palm Springs, California, Feb. 21-25, 2010, pp. 1108-1112.

2009

J. N. Chiasson, Z. Du, B. Ozpineci, L. M. Tolbert, "High Dynamic Performance Programmed PWM Control of a Multilevel Inverter with Capacitor DC Sources," IEEE Control and Decision Conference, Shanghai, China, December 16-18, 2009, 8 pages.

C. Su, M. A Huque, B. J. Blalock, S. K. Islam, L. M. Tolbert, "A High-Temperature, High Voltage Linear Regulator in 0.8µm SOI BCDMOS," IMAPS International Symposium on Microelectronics, San Jose, California, Nov. 1-5, 2009, 8 pages.

M. A Huque, L. M. Tolbert, B. J. Blalock, S. K. Islam, "A High-Temperature, High-Voltage SOI Gate Driver IC with High Output Current and On-Chip Low-Power Temperature Sensor," IMAPS International Symposium on Microelectronics, San Jose, California, Nov. 1-5, 2009, 8 pages.

M. Chinthavali, H. Zhang, L. M. Tolbert, B. Ozpineci, "Update on SiC-Based Inverter Technology," 10th Brazilian Power Electronics Conference (COBEP 2009), Bonito, Brazil, Sept. 27 ñ Oct. 1, 2009, pp. 71-79.

S. T. Lee, L. M. Tolbert, "Analysis of Slanted Air-gap Structure of Interior Permanent Magnet Synchronous Motor with Brushless Field Excitation," IEEE Energy Conversion Congress and Exposition, San Jose, California, Sept. 20-24, 2009, 6 pages.

S. T. Lee, L. M. Tolbert, "Analytical Method of Torque Calculation for Interior Permanent Magnet Synchronous Machines," IEEE Energy Conversion Congress and Exposition, San Jose, California, Sept. 20-24, 2009, 5 pages.

S. Li, B. Ozpineci, L. M. Tolbert, "Evaluation of a Current Source Active Power Filter to Reduce the DC Bus Capacitor in a Hybrid Electric Vehicle Traction Drive," IEEE Energy Conversion Congress and Exposition, San Jose, California, Sept. 20-24, 2009, 6 pages.

W. Qian, F. Z. Peng, L. M. Tolbert, "Development of a 55 kW 3X DC-DC Converter for HEV Systems," IEEE International Vehicle Power and Propulsion Conference, Dearborn, Michigan, Sept. 7-11, 2009, 7 pages.

F. Z. Peng, Y. W. Li, L. M. Tolbert, "Control and Protection of Power Electronics Interfaced Distributed Generation Systems in a Customer-Driven Microgrid," IEEE Power and Energy Society General Meeting, Alberta, Canada, July 26-30, 2009, 8 pages.

H. Zhang, L. M. Tolbert, "Efficiency of SiC JFET-Based Inverters," IEEE Conference on Industrial Electronics and Applications, Xi'an, China, May 25-27, 2009, pp. 2056-2059.

L. M. Tolbert, F. Z. Peng, F. H. Khan, S. Li, "Switching Cells and Their Implications and Applications in Power Electronic Circuits," IEEE International Conference on Power Electronics and Motion Control, Wuhan, China, May 17-20, 2009, pp. 773-779.

S. T. Lee, T. A. Burress, L. M. Tolbert, "Power-Factor and Torque Calculation under Consideration of Cross Saturation of the Interior Permanent Magnet Synchronous Motor with Brushless Field Excitation," IEEE International Electric Machines and Drives Conference, Miami, Florida, May 3-6, 2009.

M. A. Huque, S.K. Islam, B. J. Blalock, L. M. Tolbert, "Diode Leakage Current Based Low Power, On-chip High Temperature Sensor Circuit," Connecticut Symposium on Microelectronics & Optoelectronics, New Haven, Connecticut, March 11, 2009.

W. Qian, F. Z. Peng, M. Shen, L. M. Tolbert, "3X DC-DC Multiplier/Divider for HEV Systems," IEEE Applied Power Electronics Conference, Washington, DC, Feb. 15-19, 2009, pp. 1109-1114.

2008

H. Zhang, L. M. Tolbert, "SiCÕs Potential Impact on the Design of Wind Generation System," IEEE Industrial Electronics Society Annual Conference, Orlando, Florida, November 10-13, 2008, pp. 2231-2235.

H. Liu, L. M. Tolbert, B. Ozpineci, Z. Du, "Comparison of Fundamental Frequency and PWM Methods Applied on a Hybrid Cascaded Multilevel Inverter," IEEE Industrial Electronics Society Annual Conference, Orlando, Florida, November 10-13, 2008, pp. 3233-3237.

H. Zhang, L. M. Tolbert, B. Ozpineci, "Impact of SiC Devices on Hybrid Electric and Plug-in Hybrid Electric Vehicles," IEEE Industry Applications Society Annual Meeting, Edmonton, Canada, October 5-9, 2008.

J. S. Hsu, S. T. Lee, L. M. Tolbert, ÒHigh-Strength Undiffused Brushless (HSUB) Machine,Ó IEEE Industry Applications Society Annual Meeting, Edmonton, Canada, October 5-9, 2008.

H. Liu, L. M. Tolbert, B. Ozpineci, Z. Du, "Hybrid Multilevel Inverter with Single DC Source," IEEE Midwest Symposium on Circuits and Systems, Knoxville, Tennessee, August 10-13, 2008, pp. 538-541.

M. R. Starke, F. Li, L. M. Tolbert, "AC vs. DC distribution: Maximum transfer capability," IEEE Power Engineering Society General Meeting, Pittsburgh, PA, July 20-24, 2008, 6 pages.

H. Liu, L. M. Tolbert, S. Khomfoi, B. Ozpineci, Z. Du, "Hybrid Cascaded Multilevel Inverter with PWM Method," IEEE Power Electronics Specialists Conference, Rhodes, Greece, June 15-19, 2008, pp. 162-165.

F. H. Khan, L. M. Tolbert, "Generating Isolated Outputs in a Multilevel Modular Capacitor Clamped DC-DC Converter (MMCCC) for Hybrid Electric and Fuel Cell Vehicles," IEEE Power Electronics Specialists Conference, Rhodes, Greece, June 15-19, 2008, pp. 967-973.

F. J. T. Filho, T. H. A. Mateus, H. Z. Maia, B. Ozpineci, J. O. P. Pinto, L. M. Tolbert, "Real-Time Selective Harmonic Minimization in Cascaded Multilevel Inverters with Varying DC Sources," IEEE Power Electronics Specialists Conference, Rhodes, Greece, June 15-19, 2008, pp. 4302-4306.

M. A Huque, S. K. Islam, B. J. Blalock, C. Su, R. Vijayaraghavan, L. M. Tolbert, "Silicon-on-Insulator Based High-Temperature Electronics for Automotive Applications," IEEE International Symposium on Industrial Electronics, Cambridge, England, June 30 ñ July 2, 2008.

M. A Huque, B. J. Blalock, C. Su, R. Vijayaraghavan, S. K. Islam, L. M. Tolbert, "SOI-Based Integrated Circuits for High-Temperature Applications," IMAPS International Conference on High Temperature Electronics, Albuquerque, New Mexico, May 12-15, 2008.

M. Starke, L. M. Tolbert, B. Ozpineci, "AC vs. DC Distribution: A Loss Comparison," IEEE PES Transmission and Distribution Conference and Exposition, Chicago, Illinois, April 21-24, 2008, 7 pages.

W. Zhang, F. Li, L. M. Tolbert, "Voltage Stability Constrained Optimal Power Flow (VSCOPF) with Two Sets of Variables (TSV) for Reactive Power Planning," IEEE PES Transmission and Distribution Conference and Exposition, Chicago, Illinois, April 21-24, 2008, 6 pages.

W. Zhang, F. Li, L. M. Tolbert, "Var Compensation Economic Benefits Considering Generator Marginal Cost," International Conference on Electric Utility Deregulation and Restructuring and Power Technologies, Nanjing, China, April 6-9, 2008.

L. M. Tolbert, H. Zhang, B. Ozpineci, M. Chinthavali, "SiC-Based Power Converters," Materials Research Society Spring Meeting, Symposium D, San Francisco, California, March 24-27, 2008.

B. Ozpineci, M. Chinthavali, L. M. Tolbert, H. Zhang, "SiC Power Electronics Research at ORNL," GOMACTech, Las Vegas, Nevada, March 17-20, 2008.

F. H. Khan, L. M. Tolbert, "Universal Multilevel DC-DC Converter with Variable Conversion Ratio, High Compactness Factor and Limited Isolation Feature," IEEE Applied Power Electronics Conference, Austin, Texas, February 24-28, 2008, pp. 17-23.

E. Ozdemir, S. Ozdemir, L. M. Tolbert, B. Ozpineci, "Fundamental Frequency Modulated Multilevel Inverter For Three-Phase Stand-Alone Photovoltaic Application," IEEE Applied Power Electronics Conference, Austin, Texas, February 24-28, 2008, pp. 148-153.

2007

W. Zhang, F. Li, L. M. Tolbert, "Analysis of Var Benefits with Application to Var Planning," 8th International Power Engineering Conference ñ IPEC2007, 3-6 December 2007, Singapore.

E. Ozdemir, S. Ozdemir, L. M. Tolbert, S. Khomfoi, "Elimination of Harmonics in a Five-Level Diode-Clamped Multilevel Inverter Using Fundamental Modulation," IEEE International Conference on Power Electronics and Drive Systems, November 27-30, 2007, Bangkok, Thailand, pp. 850-854.

S. Khomfoi, L. M. Tolbert, "Fault Detection and Reconfiguration Technique for Cascaded H-bridge 11-level Inverter Drives Operating under Faulty Condition," IEEE International Conference on Power Electronics and Drive Systems, November 27-30, 2007, Bangkok, Thailand, pp. 1035-1042.

K. Vanam, F. D. Barlow, B. Ozpineci, L. D. Marlino, M. S. Chinthavali, L. M. Tolbert, A. Elshabini, "High-Temperature SiC Packaging for HEV Traction Applications," IMAPS International Symposium on Microelectronics , November 11-15, 2007, San Jose, California, 6 pages.

L. Reddy, L. M. Tolbert, H. Zhang, T. Cheek, "Performance of Ultra-High Efficient Electronic Ballast for HID Lamps using SiC Devices," IEEE Industry Applications Society Annual Meeting, September 23-27, 2007, New Orleans, Louisiana, pp. 471-477.

F. Khan, L. M. Tolbert, "A 5-kW Multilevel DC-DC Converter for Hybrid Electric and Fuel Cell Automotive Applications," IEEE Industry Applications Society Annual Meeting, September 23-27, 2007, New Orleans, Louisiana, pp. 628-635.

Z. Du, B. Ozpineci, L. M. Tolbert,, J. N. Chiasson, "Inductorless DC-AC Cascaded H-bridge Multilevel Boost Inverter for Electric/Hybrid Electric Vehicle Applications," IEEE Industry Applications Society Annual Meeting, September 23-27, 2007, New Orleans, Louisiana, pp. 603-608.

Y. Xu, L. M. Tolbert, D. T. Rizy, J. D. Kueck, "Nonactive-Power-Related Ancillary Services Provided by Distributed Energy Resources," IEEE Power Engineering Society General Meeting, June 24-28, 2007, Tampa, Florida, 7 pages.

M. Shen, F. Z. Peng, L. M. Tolbert, "Multi-Level DC/DC Power Conversion System with Multiple DC Sources," IEEE Power Electronics Specialist Conference, Orlando, Florida, USA, June 17-21, 2007, pp. 2008-2014.

Z. Du, B. Ozpineci, L. M. Tolbert, "Modulation Extension Control of Hybrid Cascaded H-bridge Multilevel Converters with 7-level Fundamental Frequency Switching Scheme," IEEE Power Electronics Specialist Conference, Orlando, Florida, June 17-21, 2007, pp. 2361-2366.

M. Huque, R. Vijayaraghavan, M. Zhang, B. Blalock, L. Tolbert, S. Islam, "An SOI-based High-Voltage, High-Temperature Gate-Driver for SiC JFET," IEEE Power Electronics Specialist Conference, Orlando, Florida, USA, June 17-21, 2007, pp. 1491-1495.

Y, Xu, L. M. Tolbert, J. D. Kueck, D. T. Rizy, "Voltage and Current Unbalance Compensation Using a Parallel Active Filter," IEEE Power Electronics Specialist Conference, Orlando, Florida, USA, June 17-21, 2007, pp. 2919-2925.

J. N. Chiasson, B. Ozpineci, Z. Du, L. M. Tolbert, "Conditions for Capacitor Voltage Regulation in a Five-Level Cascade Multilevel Inverter: Application to Voltage-Boost in a PM Drive," IEEE International Electric Machines and Drives Conference, May 3-5, 2007, Antalya, Turkey, pp. 731-735.

S. Khomfoi, L. M. Tolbert, B. Ozpineci, "Cascaded H-bridge Multilevel Inverter Drives Operating under Faulty Condition with AI-Based Fault Diagnosis and Reconfiguration," IEEE International Electric Machines and Drives Conference, May 3-5, 2007, Antalya, Turkey, pp. 1649-1656.

F. H. Khan, L. M. Tolbert, "Multiple Load-Source Integration in a Multilevel Modular Capacitor Clamped DC-DC Converter Featuring Fault Tolerant Capability," IEEE Applied Power Electronics Conference, February 25 - March 1, 2007, Anaheim, California, pp. 361-367.

J. N. Chiasson, B. Ozpineci, L. M. Tolbert, "A Five-Level Three-Phase Hybrid Cascade Multilevel Inverter Using a Single DC Source for a PM Synchronous Motor Drive," IEEE Applied Power Electronics Conference, February 25 - March 1, 2007, Anaheim, California, pp. 1504-1507.

S. Khomfoi, L. M. Tolbert, "A Diagnostic Technique for Multilevel Inverters Based on a Genetic-Algorithm to Select a Principal Component Neural Network," IEEE Applied Power Electronics Conference, February 25 - March 1, 2007, Anaheim, California, pp. 1497-1503.

2006

W. Zhang, F. Li, L. M. Tolbert, "Optimal Allocation of Shunt Dynamic Var Source SVC and STATCOM: A Survey," IEE International Conference on Advances in Power System Control, Operation and Management (APSCOM) October 31 - November 2, 2006, Hong Kong, China.

F. Li, W. Zhang, L. M. Tolbert, J. D. Kueck, D. T. Rizy, "Assessment of the Economic Benefits from Reactive Power Compensation," IEEE Power Systems Conference and Exposition (PSCE), October 29 - November 1, 2006, Atlanta, Georgia, pp. 1767-1773.

H. Li, Z. Du, K. Wang, L. M. Tolbert, D. Liu, "A Hybrid Energy System Using Cascaded H-Bridge Converter," IEEE Industry Applications Society Annual Meeting, October 8-12, 2006, Tampa, Florida, pp. 198-203.

Y. Xu, L. M. Tolbert, J. N. Chiasson, J. B. Campbell, F. Z. Peng, "Active Filter Implementation Using a Generalized Nonactive Power Theory," IEEE Industry Applications Society Annual Meeting, October 8-12, 2006, Tampa, Florida, pp. 153-160.

H. Zhang, L. M. Tolbert, B. Ozpineci, M. Chinthavali, "A SiC-Based Converter as a Utility Interface for a Battery System," IEEE Industry Applications Society Annual Meeting, October 8-12, 2006, Tampa, Florida, pp. 346-350.

F. H. Khan, L. M. Tolbert, "A Multilevel Modular Capacitor Clamped DC-DC Converter," IEEE Industry Applications Society Annual Meeting, October 8-12, 2006, Tampa, Florida, pp. 966-973.

L. M. Tolbert, H. Zhang, M. Chinthavali, B. Ozpineci, "SiC-based Power Converters for High Temperature Applications," European Conference on Silicon Carbide and Related Materials (ECSCRM), September 3-7, 2006, Newcastle, United Kingdom.

M. Li, J. N. Chiasson, L. M. Tolbert, "Capacitor Voltage Control in a Cascaded Multilevel Inverter as a Static Var Generator," International Power Electronics and Motion Control Conference(IPEMC 2006), August 13-16, 2006, Shanghai, China.

M. Li, J. N. Chiasson, M. Bodson, L. M. Tolbert, "Identification of the Rotor Time Constant in Induction Machines without Speed Sensor," International Power Electronics and Motion Control Conference(IPEMC 2006), August 13-16, 2006, Shanghai, China.

S. Khomfoi, L. M. Tolbert, "A Reconfiguration Technique for Multilevel Inverters Incorporating a Diagnostic System Based on Neural Network," IEEE Workshop on Computers in Power Electronics, July 16-19, 2006, Troy, New York, pp. 317-323.

H. Zhang, L. M. Tolbert, B. Ozpineci, "System Modeling and Characterization of SiC Schottky Power Diodes," IEEE Workshop on Computers in Power Electronics, July 16-19, 2006, Troy, New York, pp. 199-204.

F. H. Khan, L. M. Tolbert, F. Z. Peng, "Deriving New Topologies of DC-DC Converters Featuring Switching Cells," IEEE Workshop on Computers in Power Electronics, July 16-19, 2006, Troy, New York, pp. 328-332.

S. Khomfoi, L. M. Tolbert, "Fault Diagnosis System for a Multilevel Inverter Using a Principal Component Neural Network," IEEE Power Electronics Specialists Conference, June 18-22, 2006, Jeju, Korea.

Z. Du, L. M. Tolbert, J. N. Chiasson, B. Ozpineci,H. Li, A. Huang, "Hybrid Cascaded H-bridges Multilevel Motor Drive Control for Electric Vehicles," IEEE Power Electronics Specialists Conference, June 18-22, 2006, Jeju, Korea.

X. Yu, L. M. Tolbert, “Ancillary Services Provided from DER with Power Electronics Interface,” IEEE Power Engineering Society General Meeting, June 18-22, 2006, Montreal, Canada.

M. Li, J. Chiasson, M. Bodson, L. Tolbert, "A Differential-Algebraic Approach to Speed Estimation in an Induction Motor: Open Loop Experimental Results," IEEE American Control Conference, June 14-16, Minneapolis, Minnesota, pp. 2463-2468.

M. Chinthavali, L. M. Tolbert, B. Ozpineci, H. Zhang, "High Temperature Power Electronics – Application Issues of SiC Devices," IMAPS International Conference on High Temperature Electronics, May 15-18, 2006, Santa Fe, New Mexico.

H. F. Huq, S. K. Islam, L. M. Tolbert, "AlGaN/GaN MODFET Device for High Temperature Applications," IMAPS International Conference on High Temperature Electronics, May 15-18, 2006, Santa Fe, New Mexico.

B. Ozpineci, M. Chinthavali, A. Kashyap, L. M. Tolbert, A. Mantooth, "A 55 kW Three-Phase Inverter With Si IGBTs And SiC Schottky Diodes," IEEE Applied Power Electronics Conference, March 19-23, 2006, Dallas, Texas, pp. 448-454.

Z. Du, L. M. Tolbert, J. N. Chiasson, B. Ozpineci, "A Cascade Multilevel Inverter Using a Single DC Power Source," IEEE Applied Power Electronics Conference, March 19-23, 2006, Dallas, Texas, pp. 426-430.

2005

K. Wang, J. Chiasson, M. Bodson, L. M. Tolbert, "Parameter Identification of Hammerstein Models using Elimination Theory," IEEE Conference on Decision and Control, December 12-15, 2005, Seville, Spain, pp. 3444-3449.

M. Li, J. Chiasson, M. Bodson, L. Tolbert, "Observability of Speed in an Induction Motor from Stator Currents and Voltages," IEEE Conference on Decision and Control, December 12-15, 2005, Seville, Spain, pp. 3438-3443.

S. Khomfoi, L. M. Tolbert, "Fault Diagnosis System for a Multilevel Inverters Using a Neural Network," IEEE Industrial Electronics Conference, November 6-10, 2005, Raleigh, North Carolina.

H. Qi, W. Zhang, L. M. Tolbert, "A Resilient Real-Time Agent-Based System for a Reconfigurable Power Grid," International Conference on Intelligent Systems Application to Power Systems, November 6-10, 2005, Arlington, Virginia.

Z. Du, L. M. Tolbert, J. N. Chiasson, H. Li, "Low Switching Frequency Active Harmonic Elimination in Multilevel Converters with Unequal DC Voltages," IEEE Industry Applications Society Annual Meeting, October 2-6, 2005, Hong Kong, China, pp. 92-98.

H. Zhang, M. Chinthavali, B. Ozpineci, L. M. Tolbert, "Power Losses and Thermal Modeling of 4H-SiC VJFET Inverter," IEEE Industry Applications Society Annual Meeting, October 2-6, 2005, Hong Kong, China, pp. 2630-2634.

Y. Xu, L. M. Tolbert, J. N. Chiasson, F. Z. Peng, "Dynamic Response of Active Filter Using a Generalized Nonactive Power Theory," IEEE Industry Applications Society Annual Meeting, October 2-6, 2005, Hong Kong, China, pp. 1225-1231.

B. Ozpineci, M. S. Chinthavali, L. M. Tolbert, "A 55 kW Three Phase Automotive Traction Inverter with SiC Schottky Diodes," IEEE Vehicle Power and Propulsion Conference, September 7-9, 2005, Chicago, Illinois, pp. 541-546.

F. Z. Peng, L. M. Tolbert, F. Khan, "Power Electronics' Circuit Topology - the Basic Switching Cells," IEEE Power Electronics Educational Workshop, June 16-17, 2005, Recife, Brazil, pp. 52-57.

Z. Du, L. M. Tolbert, J. N. Chiasson, "Reduced Switching Frequency Computed PWM Method for Multilevel Converter Control," IEEE Power Electronics Specialists Conference, June 12-16, 2005, Recife, Brazil, pp. 2560-2564.

W. Zhang, L. M. Tolbert, "Survey of Reactive Power Planning Methods," IEEE Power Engineering Society General Meeting, June 12-16, 2005, San Francisco, California, pp. 1580-1590.

K. Wang, J. Chiasson, M. Bodson, L. M. Tolbert, "An On-Line Method for Tracking the Rotor Time Constant of an Induction Machine," American Control Conference, June 8-10, 2005, Portland, Oregon, pp. 2739-2744.

K. Wang, J. N. Chiasson, M. Bodson, L. M. Tolbert, "An Online Rotor Time Constant Estimator for the Induction Machine," IEEE International Conference on Electric Machines and Drives, May 15-18, 2005, San Antonio, Texas, pp. 608-614.

M. Hasanuzzaman, S. K. Islam, L. M. Tolbert, "Design, Modeling, and Characterization of Power MOSFET in 4H-SiC for Extreme Environment Applications," Government Microcircuit Applications and Critical Technology Conference (GOMACTech-05), April 4-7, 2005, Las Vegas, Nevada, pp. 449-452.

M. Chinthavali, B. Ozpineci, L. M. Tolbert, "High Temperature and High Frequency Performance Evaluation of 4H-SiC Unipolar Power Devices," IEEE Applied Power Electronics Conference, March 6-10, 2005, Austin, Texas, pp. 322-328.

Z. Du, L. M. Tolbert, J. N. Chiasson, "Modulation Extension Control for Multilevel Converters Using Triplen Harmonic Injection with Low Switching Frequency," IEEE Applied Power Electronics Conference, March 6-10, 2005, Austin, Texas, pp. 419-423.

J. Campbell, L. M. Tolbert, C. W. Ayers, B. Ozpineci, "Two-Phase Cooling Method Using R134a Refrigerant to Cool Power Electronics Devices," IEEE Applied Power Electronics Conference, March 6-10, 2005, Austin, Texas, pp. 141-147.

2004

K. Wang, J. Chiasson, M. Bodson, L. Tolbert, "A Nonlinear Least-Squares Approach for Identification of the Induction Motor Parameters," IEEE Conference on Decision and Control, December 8-14, 2004, Atlantis, Bahamas, pp. 3856-3861.

M. Chinthavali, B. Ozpineci, L. M. Tolbert, "Temperature-Dependent Characterization of SiC Power Electronic Devices," IEEE Workshop on Power Electronics in Transportation, October 21-22, 2004, Dearborn, Michigan, pp. 43-47.

K. Wang, J. Chiasson, M. Bodson, L. M. Tolbert, "Tracking the Rotor Time Constant of an Induction Motor Traction Drive for HEVs," IEEE Workshop on Power Electronics in Transportation, October 21-22, 2004, Dearborn, Michigan, pp. 83-88.

M. Shen, J. Wang, A. Joseph, F. Z. Peng, L. M. Tolbert, D. J. Adams, "Maximum Constant Boost Control of the Z-Source Inverter," IEEE Industry Applications Society Annual Meeting, October 3-7, 2004, Seattle, Washington, pp. 142-148.

Burak Ozpineci, Leon M. Tolbert, Zhong Du, "Multiple Input Converters for Fuel Cells," IEEE Industry Applications Society Annual Meeting, October 3-7, 2004, Seattle, Washington, pp. 791-797.

Madhu Chinthavali, Leon M. Tolbert, Burak Ozpineci, "4H-SiC GTO Thyristor and p-n Diode Loss Model for HVDC Converter," IEEE Industry Applications Society Annual Meeting, October 3-7, 2004, Seattle, Washington, pp. 1238-1243.

Zhong Du, Leon M. Tolbert, John N. Chiasson, "Harmonic Elimination for Multilevel Converter with Programmed PWM Method," IEEE Industry Applications Society Annual Meeting, October 3-7, 2004, Seattle, Washington, pp. 2210-2215.

Y. Xu, J. N. Chiasson, L. M. Tolbert, "Nonactive Current Definition and Compensation Using a Shunt Active Filter," IEEE International Conference on Harmonics and Quality of Power, September 12-15, 2004, Lake Placid, New York, pp. 573-578.

Z. Du, L. M. Tolbert, J. N. Chiasson, "Active Harmonic Elimination in Multilevel Converters Using FPGA Control," IEEE Workshop on Computers in Power Electronics, August 15-18, 2004, Urbana-Champaign, Illinois, pp. 127-132.

Burak Ozpineci, Leon M. Tolbert, Zhong Du, "Optimum Fuel Cell Utilization with Multilevel Inverters," IEEE Power Electronics Specialists Conference, June 20-25, 2004, Aachen, Germany, pp. 4798-4802.

Burak Ozpineci, Leon M. Tolbert, John N. Chiasson, Zhong Du, "Harmonic Optimization of Multilevel Converters Using Genetic Algorithms," IEEE Power Electronics Specialists Conference, June 20-25, 2004, Aachen, Germany, pp. 3911-3916.

Madhu Chinthavali, Leon M. Tolbert, Burak Ozpineci, "SiC GTO Thyristor Model for HVDC Interface," IEEE Power Engineering General Meeting, June 6-10, 2004, Denver, Colorado, pp. 680-685.

Burak Ozpineci, Zhong Du, Leon M. Tolbert, Gui-Jia Su, "Optimum Fuel Cell Utilization with Multilevel DC-DC Converters," IEEE Applied Power Electronics Conference, February 22-26, 2004, Anaheim, California, pp. 1572-1576.

2003

M. Hasanuzzaman, S. Kamrul Islam, Leon M. Tolbert,M. T. Alam, "Temperature Dependency of MOSFET Device Characteristics in 4H - and 6H-Silicon Carbide (SiC)," International Semiconductor Device Research Symposium (ISDRS), December 10-12, 2003, Washington, DC, pp. 132-133.

John N. Chiasson, Leon M. Tolbert, Keith J. McKenzie, Zhong Du, "Eliminating Harmonics in a Multilevel Converter Using the Theory of Symmetric Polynomials and Resultants," IEEE Conference on Decision and Control, December 9-12, 2003, Maui, Hawaii, pp. 3507-3512.

Burak Ozpineci, Zhong Du, Leon M. Tolbert, Don J. Adams, Don Collins, "Integrating Multiple Solid Oxide Fuel Cell Modules," IEEE Industrial Electronics Conference, November 2-6, 2003, Roanoke Virginia, pp. 1568-1573.

John N. Chiasson, Leon M. Tolbert, Keith J. McKenzie, Zhong Du, "A New Approach to Solving the Harmonic Elimination Equations for a Multilevel Converter," IEEE Industry Applications Society Annual Meeting, October 12-16, 2003, Salt Lake City, Utah, pp. 640-645.

Burak Ozpineci, Leon M. Tolbert, S. Kamrul Islam, Madhu Chinthavali, "Comparison of Wide Bandgap Semiconductors for Power Applications," 10th European Conference on Power Electronics and Applications, September 2-4, 2003, Toulouse, France.

John N. Chiasson, Leon M. Tolbert, Keith J. McKenzie, Zhong Du, "A New Approach to the Elimination of Harmonics in a Multilevel Converter," 10th European Conference on Power Electronics and Applications - EPE 2003, September 2-4, 2003, Toulouse, France.

Leon M. Tolbert, Yan Xu, Jianqing Chen, Fang Z. Peng, John N. Chiasson, "Definitions for Non-Periodic Current Compensation," 10th European Conference on Power Electronics and Applications - EPE 2003, September 2-4, 2003, Toulouse, France.

Burak Ozpineci, Leon M. Tolbert, S. Kamrul Islam, "System Level Benefits of SiC Power Devices in DC-DC Converters," 10th European Conference on Power Electronics and Applications - EPE 2003, September 2-4, 2003, Toulouse, France.

Leon M. Tolbert, Yan Xu, Jianqing Chen, Fang Z. Peng, John N. Chiasson, "Compensation of Irregular Currents with Active Filters," IEEE Power Engineering Society General Meeting, July 13-18, 2003, Toronto, Canada, pp. 1278-1283.

Leon M. Tolbert, John N. Chiasson, Fang Z. Peng, "Modulation Index Regulation of a Multilevel Inverter for Static Var Compensation," IEEE Power Engineering Society General Meeting, July 13-18, 2003, Toronto, Canada, pp. 194-199.

Leon M. Tolbert, Yan Xu, Jianqing Chen, Fang Z. Peng, John N. Chiasson, "Application of Compensators for Non-Periodic Currents," IEEE Power Electronics Specialist Conference, June 15-19, 2003, Acapulco, Mexico, pp. 1525-1530.

Burak Ozpineci, Leon M. Tolbert, "Simulink Implementation of Induction Machine Model - A Modular Approach," IEEE International Electric Machines and Drives Conference, June 1-4, 2003, Madison, Wisconsin, pp. 728-734.

Leon M. Tolbert, John N. Chiasson, Keith J. McKenzie, Zhong Du, "Control of Cascaded Multilevel Converters with Unequal Voltage Sources for HEVs," IEEE International Electric Machines and Drives Conference, June 1-4, 2003, Madison, Wisconsin, pp. 663-669.

Leon M. Tolbert, Burak Ozpineci, S. Kamrul Islam, Madhu Chinthavali, "Wide Bandgap Semiconductors for Utility Applications," IASTED International Conference on Power and Energy Systems (PES 2003), February 24-26, 2003, Palm Springs, California, pp. 317-321.

Leon M. Tolbert, Yan Xu, Jianqing Chen, Fang Z. Peng, John N. Chiasson, "Active Filter Energy Storage Requirement for Non-Periodic Current Compensation," IASTED International Conference on Power and Energy Systems (PES 2003), February 24-26, 2003, Palm Springs, California, pp. 388-393.

John Chiasson, Leon Tolbert, Keith McKenzie, Zhong Du, "Harmonic Elimination in Multilevel Converters," IASTED International Conference on Power and Energy Systems (PES 2003), February 24-26, 2003, Palm Springs, California, pp. 284-289.

Madhu Hasanuzzaman, S. Kamrul Islam, Leon M. Tolbert, Burak Ozpineci, "Model Simulations and Verifications of a Vertical Double Implanted (DIMOS)Transistor in 4H-Silicon Carbide," IASTED International Conference on Power and Energy Systems (PES 2003), February 24-26, 2003, Palm Springs, California, pp. 313-316.

Leon M. Tolbert, John N. Chiasson, Keith McKenzie, Zhong Du, "Elimination of Harmonics in a Multilevel Converter with Non Equal DC Sources," IEEE Applied Power Electronics Conference (APEC 2003), February 9-13, 2003, Miami, Florida, pp. 589-595.

John N. Chiasson, Leon M. Tolbert, Keith McKenzie, Zhong Du, "A Complete Solution to the Harmonic Elimination Problem," IEEE Applied Power Electronics Conference (APEC 2003), February 9-13, 2003, Miami, Florida, pp. 596-602.

2002

Burak Ozpineci, Leon M. Tolbert, Syed K. Islam, "Silicon Carbide Power Device Characterization for HEVs," The 7th IEEE Workshop on Power Electronics in Transportation, October 24-25, 2002, Auburn Hills, Michigan, pp. 93-97.

Leon M. Tolbert, John N. Chiasson, Keith McKenzie, Zhong Du, "Elimination of Harmonics in a Multilevel Converter for HEV Applications," The 7th IEEE Workshop on Power Electronics in Transportation, October 24-25, 2002, Auburn Hills, Michigan, pp. 135-142.

Burak Ozpineci, Leon M. Tolbert, Syed K. Islam, M. Hasanuzzaman, "A Parametric Device Study for SiC Power Electronics," IEEE Industry Applications Society Annual Meeting, October 13-17, 2002, Pittsburgh, PA, pp. 570-575.

Leon M. Tolbert, William A. Peterson,Cliff P. White, Timothy J. Theiss, Matthew B. Scudiere, "A Bi-Directional DC-DC Converter with Minimum Energy Storage Elements," IEEE Industry Applications Society Annual Meeting, October 13-17, 2002, Pittsburgh, PA, pp. 1572-1577.

Burak Ozpineci, Leon M. Tolbert, Syed K. Islam, Tim J. Theiss, "A Parametric Device Study for SiC Diodes in Vehicular Applications," IEEE Vehicular Technology Conference - Fall, September 25-28, 2002, Vancouver, Canada.

John N. Chiasson, Leon M. Tolbert, Keith McKenzie, Zhong Du, "Real-Time Computer Control of a Multilevel Converter Using the Mathematical Theory of Resultants," Proceedings of the Electrimacs Conference, August 18-21, 2002, Montreal, Canada.

John N. Chiasson, Leon M. Tolbert, Keith McKenzie, Zhong Du, "Eliminating Harmonics in a Multilevel Converter using Resultant Theory," IEEE Power Electronics Specialists Conference, June 23-27, 2002, Cairns, Australia, pp. 503-508.

Burak Ozpineci, Leon M. Tolbert, Syed K. Islam, Fang Z. Peng, "Testing, Characterization, and Modeling of SiC Diodes for Transportation Applications," IEEE Power Electronics Specialists Conference, June 23-27, 2002, Cairns, Australia, pp. 1673-1678.

Fang Z. Peng, Leon M. Tolbert, "Definitions and Compensation of Non-Active Current in Power Systems," IEEE Power Electronics Specialists Conference, June 23-27, 2002, Cairns, Australia, pp. 1779-1784.

Fang Z. Peng, Gui-Jia Su, Leon M. Tolbert, "A Passive Soft-Switching Snubber for PWM Inverters," IEEE Power Electronics Specialists Conference, June 23-27, 2002, Cairns, Australia, pp. 129-134.

John N. Chiasson, Leon M. Tolbert, Yinghui Lu, "A Library of SIMULINK blocks for Real-Time Control of HEV Traction Drives," 2002 Future Car Congress Proceedings, June 3-5, 2002, Arlington, Virginia. (SAE paper number 2002-01-1934).

Leon M. Tolbert, Burak Ozpineci, Syed K. Islam, Fang Z. Peng, "Impact of SiC Power Electronic Devices for Hybrid Electric Vehicles," 2002 Future Car Congress Proceedings, June 3-5, 2002, Arlington, Virginia. (SAE Paper Number 2002-01-1904).

2001

Leon M. Tolbert, Burak Ozpineci, Syed Kamrul Islam, Md. Hasanuzzaman, "Effects of Silicon Carbide (SiC) Power Devices on HEV PWM Inverter Losses," IEEE Industrial Electronics Conference, November 29 - December 2, 2001, Denver, Colorado, pp. 1061-1066.

Leon M. Tolbert, William A. Peterson, Matt Scudiere, Larry Seiber, George Farquharson, "Electronic Power Conversion System for an Advanced Mobile Generator Set," IEEE Industry Applications Society Annual Meeting, September 30 - October 4, 2001, Chicago, Illinois, pp. 1763-1768.

Burak Ozpineci, Joao O. P. Pinto, Leon M. Tolbert, "Pulse-Width Optimization in a Pulse Density Modulated High Frequency AC-AC Converter Using Genetic Algorithms," IEEE International Conference on Systems, Man, and Cybernetics, October 7-10, 2001, Tucson, Arizona, pp. 1924-1929.

Leon M. Tolbert, Hairong Qi, Fang Z. Peng, "Scalable Multi-Agent System for Real-Time Electric Power Management," IEEE Power Engineering Society Summer Meeting, July 15-19, 2001, Vancouver, Canada, pp. 1676-1679.

Marc Bodson, John N. Chiasson, Leon M. Tolbert, "A Complete Characterization of Torque Maximization of Permanent Magnet Non-Salient Synchronous Motors," IEEE American Controls Conference, June 25-27, 2001, Arlington, Virginia, pp. 2148-2149.

Gui-Jia Su, Donald J. Adams, Leon M. Tolbert, "Comparative Study of Power Factor Correction Converters for Single-Phase Half-Bridge Inverters," IEEE Power Electronics Specialists Conference, June 17-21, 2001, Vancouver, Canada, pp. 995-1000.

John N. Chiasson, Leon M. Tolbert, "High Performance Motion Control of a Switched Reluctance Motor," IEEE International Electric Machine Drives Conference, June 17-21, 2001, Cambridge, Massachusetts, pp. 425-429.

2000

Leon M. Tolbert, Thomas G. Habetler, "Comparison of Time-Based Non-Active Power Definitions for Active Filtering," IEEE International Power Electronics Congress, October 15-19, 2000, Acapulco, Mexico, pp. 73-79.

Fang Z. Peng, Leon M. Tolbert, "Compensation of Non-Active Current in Power Systems - Definitions from Compensation Standpoint," IEEE Power Engineering Society Summer Meeting, July 15-20, 2000, Seattle, Washington, pp. 983-987.

Leon M. Tolbert, Fang Z. Peng, "Multilevel Converters as a Utility Interface for Renewable Energy Systems," IEEE Power Engineering Society Summer Meeting, July 15-20, 2000, Seattle, Washington, pp. 1271-1274.

John W. McKeever, Sujit Das, Leon M. Tolbert, Laura D. Marlino, Ashok Nedungadi, "Life-Cycle Cost Sensitivity to Battery-Pack Voltage of an HEV," 2000 Future Car Congress Proceedings, April 2-6, 2000, Arlington, Virginia. (SAE paper number 2000-01-1556).

1999

Leon M. Tolbert, Fang Z. Peng, Thomas G. Habetler, "Dynamic Performance and Control of a Multilevel Universal Power Conditioner," Conference Record - IEEE Industry Applications Society Annual Meeting, Oct. 3-7, 1999, Phoenix, Arizona, pp. 440-447.

Leon M. Tolbert, Fang Z. Peng, Thomas G. Habetler, "A Multilevel Converter-Based Universal Power Conditioner," IEEE Power Electronics Specialists Conference, June 27 - July 1, 1999, Charleston, South Carolina, pp. 393-399.

Leon M. Tolbert, Fang Z. Peng, Thomas G. Habetler, "Multilevel PWM Methods at Low Modulation Indices," IEEE Applied Power Electronics Conference, March 14-18, 1999, Dallas, Texas, pp. 1032-1039.

1998

Leon M. Tolbert, Fang Z. Peng, Thomas G. Habetler, "Multilevel Inverters for Electric Vehicle Applications," IEEE Workshop on Power Electronics in Transportation, Oct. 22-23, 1998, Dearborn, Michigan, pp. 79-84.

Leon M. Tolbert, Thomas G. Habetler, "Novel Multilevel Inverter Carrier-Based PWM Methods," Conference Record - IEEE Industry Applications Society Annual Meeting, Oct. 11-15, 1998, St. Louis, Missouri, pp. 1424-1431.

Leon M. Tolbert, Fang Z. Peng, "Multilevel Converters for Large Electric Drives," IEEE Applied Power Electronics Conference, Feb. 15-19, 1998, Anaheim, California, pp. 530-536.

1996

Leon M. Tolbert, Peyton S. Hale, Harold Hollis, "Evaluation of Harmonic Suppression Devices," Conference Record - IEEE Industry Applications Society Annual Meeting, Oct. 6-10, 1996, San Diego, California, pp. 2340-2346.

Leon M. Tolbert, Peyton S. Hale, Harold Hollis, "Survey of Harmonics Measurements in Electrical Distribution Systems," Conference Record - IEEE Industry Applications Society Annual Meeting, Oct. 6-10, 1996, San Diego, California, pp. 2333-2339.

J. S. Hsu, J. D. Kueck, M. Olszewski, P. J. Otaduy, D. A. Casada, L. M. Tolbert, "Comparison of Induction Motor Field Efficiency Evaluation Methods," Conference Record - IEEE Industry Applications Society Annual Meeting, Oct. 6-10, 1996, San Diego, California, pp. 703-712.

1995

Leon M. Tolbert, Jeff T. Cleveland, Lynn J. Degenhardt, "Reliability of Lightning-Resistant Overhead Distribution Lines," Conference Record - IEEE Industrial & Commercial Power Systems Technical Conference, May 7-11, 1995, San Antonio, Texas, pp. 147-152.

Leon M. Tolbert, "Computer-Aided Coordination and Overcurrent Protection of Industrial Distribution Systems", Conference Record - IEEE Industrial & Commercial Power Systems Technical Conference, May 7-11, 1995, San Antonio, Texas, pp. 169-173.

1991

Thomas G. Habetler, Francesco Profumo, Michele Pastorelli, Leon M. Tolbert, "Direct Torque Control of Induction Machines Using Space Vector Modulation," Conference Record - IEEE Industry Applications Society Annual Meeting, Oct. 1991, Dearborn, Michigan, pp. 428-436. (This paper won second prize from the Industrial Drives Committee of the IAS.)

Tutorials and Conference Proceedings

L. M. Tolbert, F. Z. Peng, D. J. Adams, J. W. McKeever, "Multilevel Inverters for Large Automotive Electric Drives," Conference Record - All Electric Combat Vehicle Second International Conference, June 8-12, 1997, Dearborn, Michigan, vol. 2, pp. 209-214.

Technical Reports

L. M. Tolbert, F. Wang, X. Shi, J. Wang, "Program on Technology Innovation: EPRI Workshop on Power Electronics for the Power System: Highlights of a Workshop Held November 17-18, 2011", EPRI, Palo Alto, California, 1028656, May 2012.

M. C. Kisacikoglu, A. Bedir, B. Ozpineci, L. M. Tolbert, "PHEV-EV Charger Technology Assessment with an Emphasis on V2G Operation", ORNL/TM-2010/221, Oak Ridge National Laboratory, March 2012.

J. B. Campbell, T. J. King, B. Ozpineci, D. T. Rizy, L. M. Tolbert, X. Yu, Y. Xu, "Ancillary Services Provided from DER," ORNL/TM-2005/263, Oak Ridge National Laboratory, December 2005.

L. M. Tolbert, T. J. King, B. Ozpineci, J. B. Campbell, G. Muralidharan, D. T. Rizy, A. S. Sabau, H. Zhang, W. Zhang, X. Yu, H. F. Huq, H. Liu, "Power Electronics for Distributed Energy Systems and Transmission and Distribution Applications: Assessing the Technical Needs for Utility Applications," ORNL/TM-2005/230, Oak Ridge National Laboratory, December 2005.

B. Ozpineci, L. M. Tolbert, D. J. Adams, "Trade Study on Aggregation of Multiple 10-kW Solid Oxide Fuel Cell Power Modules," ORNL/TM-2004/248, Oak Ridge National Laboratory, November 29, 2004.

B. Ozpineci, L. M. Tolbert, "Comparison of Wide Band Gap Semiconductors for Power Electronics Applications," ORNL/TM-2003/257, Oak Ridge National Laboratory, December 12, 2003.

R. H. Staunton, B. Ozpineci, T. J. Theiss, L. M. Tolbert, "Review of the State-of-the-Art in Power Electronics Suitable for 10-kW Military Power Systems," ORNL/TM-2003/209, Oak Ridge National Laboratory, December 2003.

J. M. Bailey, J. W. McKeever, P. A. Jallouk, L. M. Tolbert, J. S. Lawler, K. Casey, "Viable Electric Motor Candidates for Heavy Duty Off-Road Traction Drives," C/ORNL02-0640, CRADA Final Report, Oak Ridge National Laboratory, November 2002.

O. W. Holland, T. E. Haynes, B. Ozpineci, L. M. Tolbert, T. J. Theiss, S. K. Islam, M. Hasanuzzaman, L. Feldman, "Silicon Carbide Device Fabrication and Application as the Next Generation of Power Electronics," Oak Ridge National Laboratory, R02-115725, November 2002.

J. B. Andriulli, L. M. Tolbert, et. al., "Development of Proof-of-Concept Units for Advanced Medium-sized Mobile Power Sources (AMMPS) Program," ORNL Report/TM-2001/222, Oak Ridge National Laboratory, March 2002.

J. B. Andriulli, L. M. Tolbert, et. al., "Advanced Power Generation Systems for the 21st Century: Recommendations for a Design Philosophy and Market Survey," ORNL/TM-1999/213, Oak Ridge National Laboratory, November 1999.

R. W. Young, Sr., D. J. Adams, F. Z. Peng, J. S. Hsu, G. W. Ott, Jr., C. P. White, L. D. Marlino, L. M. Tolbert, J. W. McKeever, "Resonant Snubbert Inverter Research at the Oak Ridge National Laboratory," ORNL/TM-13559, September 1998.

Leon M. Tolbert, "Harmonic Analysis of Electrical Distribution Systems," ORNL-6887, Oak Ridge National Laboratory, March 1996.

J. D. Kueck, M. Olszewski, D. A. Casada, J. S. Hsu, P. J. Otaduy, L. M. Tolbert, "Assessment of Methods for Estimating Motor Efficiency and Load under Field Conditions," ORNL/TM-13165, Oak Ridge National Laboratory, January 1996.

Leon M. Tolbert, "Electrical System Analysis of the High Flux Isotope Reactor," ORNL-6759, Oak Ridge National Laboratory, June 1993.


Contact Information

401 Min H. Kao Bldg
The University of Tennessee
Knoxville, TN 37996-2250
e-mail: tolbert@utk.edu

http://web.eecs.utk.edu/~tolbert/

Phone: (865) 974-3461

Fax: (865) 974-5483