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Welcome to Leon M.Tolbert's Website

Power Electronics Laboratory Webpage

Present Research

  1. Application of Wide Bandgap (SiC and GaN) Power Electronics
    Sponsored by various companies
  2. Modular Power Electronics for High Temperature Applications
    Sponsored by Oak Ridge National Laboratory
  3. HVDC Applications of Modular Multilevel Converter (MMC)
    Sponsored by NSF/DOE ERC CURENT
  4. High Speed Gate Drives and Device Protection
    Sponsored by II-VI Foundation and ORNL
  5. High Efficiency Converters for Data Center Power Supplies
    Sponsored by Auburn University
  6. Microgrid Operations
    Sponsored by Oak Ridge National Laboratory
  7. Reconfigurable Grid Emulator Using Power Electronics
    Sponsored by the National Science Foundation and U.S. DOE - CURENT

Previous Research

  1. Silicon Carbide Applications as the Next Generation of Power Electronics
    Sponsored by various companies
  2. Vehicle to Grid (V2G) Ancillary Services Provided by Plug-in Hybrid Electric Vehicles (PHEVs)
    Sponsored by Oak Ridge National Laboratory
  3. Integration of Distribution Energy Resources with the Grid
    Sponsored by Stanford University's Global Climate and Energy Project
  4. High Temperature Gate Drives
    Sponsored by II-VI Foundation
  5. Accelerated Reliability Testing of Power Electronic Devices
    Sponsored by Oak Ridge National Laboratory
  6. An SOI-based High-Voltage,High-Temperature Gate-Driver for SiC FET
    Sponsored by Oak Ridge National Laboratory
  7. Development of Organic Thin-Film Solar Cells
    Sponsored by Min H. Kao Professorship at The University of Tennessee
  8. Multilevel Converter Interface with Solar Panels
    Sponsored by the National Science Foundation
  9. Modular Power Electronic Converters as a Utility Interface for Distributed Generation

  10. Reactive Power Compensation and Planning
  11. DC Distribution System and Placement of Fuel Cells
  12. Cascaded H-bridge Multilevel Inverter Drives Operating under Faulty
    Condition with AI-Based Fault Diagnosis and Reconfiguration

  13. Diagnostic Technique for Multilevel Inverters Based on Genetic Algorithm
    to Select a Principal Component Neural Network

  14. Non-active Power Definitions and Active Filtering
  15. Harmonic Minimization in Multilevel Converters
  16. High Performance Motor Drives
  17. Evaluation Platform for Real-Time Control of Motor Drives for Hybrid Electric Vehicles (with J. N. Chiasson)
  18. Agent-Based Ancilliary Services in a Deregulated Environment (with H. Qi)
  19. Power Electronics and Alternator for Advanced Medium-Sized Portable Military Generator Set
  20. Multilevel Pulse Width Modulation Techniques
  21. Efficiency Modeling of Hybrid-Electric Vehicle Drive Train
  22. Multilevel Converters for Large Variable Speed Drives
  23. Harmonic Analysis of Electrical Distribution Systems
  24. Methods for Estimating Induction Motor Efficiency
  25. Reliability of Lightning-Resistant Overhead Lines
  26. Computer-Aided Overcurrent Coordination and Protection of Electrical Distribution Systems
  27. Dynamic Ampacity Control for the PCAT Facility
  28. Permanent Magnet Machine Vector Control With a Real Time PC Interface
  29. Fault Diagnosis and Reconfiguration in a Multilevel Inverter Using a Principal Component Neural Network
  30. Basic Switching Cells in Power Electronics Inverters
  31. Modeling of Silicon Carbide Power Semiconductor Devices
  32. Reactive Power Planning
  33. A Nonlinear Least-Squares Approach for Identification of Induction Motor Parameters
  34. Speed Estimation of the Induction Motor
  35. Modeling and Analysis of an Active Front-End Induction Motor Drive for Reactive Power Compensation
  36. A Generalized Nonactive Power Theory for Parallel Compensation
  37. Ancillary Services from Distributed Energy Resources
  38. Assessment of the Economic Benefits from Reactive Power Compensation
  39. Design of a New Permanent Magnet Machine by 3D Finite Element Analysis
  40. Fault Diagnosis System for a Mutlilevel Inverter Using a Neural Network


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