Updated in 7/2018.

Kai Sun

Associate Professor

Department of EECS, University of Tennessee - Knoxville

Tel: 865-974-3982 (O)    Email: kaisun(at)utk.edu

Address: Min H. Kao Building, #612, 1520 Middle Drive, Knoxville, TN 37996-2250

(CV, GoogleScholar, ResearchGate)

Prof. Sun received his B.S. in Automation (1999) and Ph.D. in Control Science & Engineering (2004) both from Tsinghua University, Beijing. Before joining UTK, he was a Project Manager with the Electric Power Research Institute (EPRI) in Palo Alto, CA for R&D programs in Grid Operations and Planning from 2007 to 2012. He conducted postdoctoral studies at Arizona State University (2006-2007) and the University of Western Ontario (2005). Prof. Sun serves in the editorial boards of IEEE Transactions on Smart Grid, IEEE Access and IET Generation, Transmission & Distribution, and is a faculty Member of NSF/DOE engineering research center CURENT. Prof. Sun is a recipient of 2016 NSF CAREER award. His research interests include stability, dynamics and control of power grids and other complex systems.

 

PhD openings are available for Spring & Fall 2019.


Latest News

8/2018: Wenyun Ju passed the PhD dissertation defense. Congrats to Dr. Ju.
7/2018: Yongli Zhu passed the PhD dissertation defense. Congrats to Dr. Zhu.

11/2017: Bin Wang, Weihong Huang and Nan Duan passed their PhD dissertation defenses. Congrats to Dr. Wang, Dr. Huang and Dr. Duan.


Resources

Test Cases Library on Forced/Sustained Power System Oscillations

IEEE PES Task Force on Oscillation Source Location


Teaching

ECE 325 (Electric Energy System Components): Fall 16, Fall 15, Fall 18

ECE 421 (Electric Energy Systems): Fall 17, Fall 14, Fall 13

ECE 422 (Power System Operations & Planning): Spring 15, Spring 14

ECE 521 (Power Systems Analysis I): Fall 13                                              

ECE 522 (Power Systems Analysis II): Spring 18, Spring 17, Spring 14, Spring 13

ECE 620 (Ultra-wide-area Resilient Electrical Energy Transmission Networks): Fall 17, Fall 16
ECE 692 (Advanced Topics on Power System Stability): Spring 16


Research Highlights

Nonlinear Modal Decoupling:

Nonlinear modal decoupling (access-nmd-18), F-A curve (tpwrs-17, tpwrs-16)

Semi-Analytical Simulation:

Semi-analytical solution (tpwrs-ps-18, tpwrs-17, access-cf-18, tpwrs-hem-motor), Nonlinear model reduction (tpwrs-18),

Cascading Failures:

Simulation (tsg-18, access-dlf-18, tpwrd-18, tpwrs-16), Interaction graph (tpwrs-18, jetcas-mlig-17, tpwrs-15),
Markovian tree (tpwrs-17, tpwrs-16), Controlled Islanding (tpwrs-timing-18, isj-18, jetcas-17)

Voltage Stability & Control:

Holomorphic embedding methods (tpwrs-ppf-18, tpwrs-pv-18, access-mdhem-17, tpwrs-vsa-17, tpwrs-hem-motor),
Measurement-based VSA (tpwrs-16, ietgtd-17), VAR control (tpwrs-s-17, tpwrs-p-17)


Publications

Patents

1.      Chengxi Liu, Kai Sun, Bin Wang, Xin Xu, Voltage Stability Assessment, Control and Probabilistic Power Flow Based on Multi-Dimensional Holomorphic Embedding Techniques, US Patent Application, No. 62/697,907, July 2018.

2.      Nan Duan, Kai Sun, Transient Stability Simulation and Operation of Power Systems,  US Patent Application, No. 14/956,076, Dec 2015 (link)

3.      Kai Sun, Qiang Zhou, Application of Phase-Locked Loop (PLL) in Oscillation Monitoring for Interconnected Power Systems, US Patent, No. 13/280,458, April 2013 (link)

4.      Kai Sun, Kyeon Hur, Pei Zhang, Application of Phasor Measurement Units (PMU) for Controlled System Separation, US Patent No. 8/606,422, Dec, 2013 (Taiwan Patent No. I426677, Feb, 2014) (link)

5.      Qianchuan Zhao, Kai Sun, Da-Zhong Zheng, Jin Ma, Qiang Lu, Solution to Preventing Power Systems from Collapse in Case of Catastrophe, Chinese Patent No. 03122884, May, 2003 (link)

 

Books and Chapters

1.      Kai Sun, Yunhe Hou, Wei Sun, Junjian Qi, Power System Control under Cascading Failures: Understanding, Mitigation and System Restoration, Wiley-IEEE Press, 2018. ISBN: 978-1-119-28202-0.

2.      Kai Sun, ¡°Measurement-based Voltage Stability Assessment Techniques,¡± Standard Handbook for Electrical Engineers (17th edition), McGraw-Hill, 2018. ISBN: 978-1-259-64258-6.

3.      Kai Sun, Fengkai Hu, ¡°Measurement-based Voltage Stability Monitoring for Load Areas,¡± Application of Smart Grid Technologies: case studies in saving electricity in different parts of the world, Elsevier, 2018. ISBN: 978-0-128-03128-5.

4.      Kai Sun, ¡°WAMS Based Controlled System Separation to Mitigate Cascading Failures in Smart Grid,¡± Smart Grid Control: Opportunities and Research Challenges, Springer, 2018. ISBN: 978-3-319-98310-3.


Journal Papers

Accepted

1.     Rui Yao, Kai Sun, Di Shi, Xiaohu Zhang, ¡°Voltage Stability Analysis of Power Systems with Induction Motors Based on Holomorphic Embedding,¡± IEEE Transactions on Power Systems, in press (PDF).

2.      Chengxi Liu, Bin Wang, Kai Sun, ¡°Fast Power System Dynamic Simulation Using Continued Fractions,¡± IEEE Access, in press (IEEExplore; PDF).

3.      Bin Wang, Nan Duan, Kai Sun, ¡°A Time-Power Series Based Semi-Analytical Approach for Power System Simulation,¡± IEEE Transactions on Power Systems, in press (IEEExplore; PDF).

4.      Weihong Huang, Kai Sun, ¡°Optimization of SVC settings to improve post-fault voltage recovery and angular stability,¡± Journal of Modern Power Systems and Clean Energy, accepted.

5.      Rui Yao, Kai Sun, ¡°Towards Simulation and Risk Assessment of Weather-Related Outages,¡± IEEE Transactions on Smart Grid, in press (IEEExplore; PDF).

6.      Yongli Zhu, Chengxi Liu, Kai Sun, Di Shi, Zhiwei Wang, ¡°Optimization of Battery Energy Storage to Improve Power System Oscillation Damping,¡± IEEE Transactions on Sustainable Energy, in press (IEEExplore; PDF).

7.      Chengxi Liu, Kai Sun, Bin Wang, Wenyun Ju, ¡°Probabilistic Power Flow Analysis Using Multi-Dimensional Holomorphic Embedding and Generalized Cumulants,¡± IEEE Transactions on Power Systems, in press (IEEExplore; PDF).

8.      Lei Ding, Yichen Guo, Peter Wall, Kai Sun, Vladimir Terzija, ¡°Identifying the Timing of Controlled Islanding Using a Controlling UEP based Method,¡± IEEE Transactions on Power Systems, in press (IEEExplore).

9.      Denis Osipov, Kai Sun, ¡°Adaptive Nonlinear Model Reduction for Fast Power System Simulation,¡± IEEE Transactions on Power Systems, in press (IEEExplore; PDF).

10.  Guoqiang Zu Jun Xiao, Kai Sun, ¡°Mathematical Base and Deduction of Security Region for Distribution Systems with DER,¡± IEEE Transactions on Smart Grid, in press (IEEExplore)

2018

11.  Wenyun Ju, Kai Sun, Rui Yao, ¡°Simulation of Cascading Outages Using a Power Flow Model Considering Frequency,¡± IEEE Access, vol. 6 No. 1, pp. 37784-37795, December 2018 (IEEExplore).

12.   Rui Yao, Kai Sun, Feng Liu, Shengwei Mei, ¡°Efficient Simulation of Temperature Evolution of Overhead Transmission Lines Based on Analytical Solution and NWP,¡± IEEE Transactions on Power Delivery, vol. 33, No. 4, pp. 1576-1588, August 2018 (PDF; IEEExplore).

13.   Rui Yao, Kai Sun, Feng Liu, Shengwei Mei, ¡°Management of Cascading Outage Risk Based on Risk Gradient and Markovian Tree Search,¡± IEEE Transactions on Power Systems, vol. 33, No. 4, pp 4050-4060, July 2018 (PDF; IEEExplore).

14.  Chengxi Liu, Bin Wang, Fengkai Hu, Kai Sun, Claus Leth Bak, ¡°Online Voltage Stability Assessment for Load Areas Based on the Holomorphic Embedding Method,¡± IEEE Transactions on Power Systems, vol. 33, No. 4, pp 3720-3734, July 2018 (PDF; IEEExplore).

15.  Daham Min, Seog-joo Kim, Sangsoo Seo, Young-Hwan Moon, Kai Sun, Joe H. Chow, Kyeon Hur, ¡°Computing Safety Margins of a Generation Rejection Scheme: A Framework for Online Implementation,¡± IEEE Transactions on Smart Grid, vol. 9, No. 3, pp. 2337-2346, May 2018 (IEEExplore).

16.   Miao Fan, Kai Sun, Derek Lane, Wei Gu, Zhengshuo Li, Fang Zhang, ¡°A Novel Generation Rescheduling Algorithm to Improve Power System Reliability with High Renewable Energy Penetration,¡± IEEE Transactions on Power Systems, vol. 33, No. 3, pp. 3349-3357, May 2018 (PDF; IEEExplore).

17.  Junjian Qi, Jianhui Wang, Kai Sun, ¡°Efficient Estimation of Component Interactions for Cascading Failure Analysis by EM Algorithm,¡± IEEE Transactions on Power Systems, vol. 33, No. 3, pp. 3153-3161, May 2018. (IEEExplore).

18.   Chongqing Kang, Zhe Chen, Ming Zhang, Oriol Gomis-Bellmunt, Mike Barnes, Jie Yan, Weihao Hu, Kai Sun, ¡°Guest Editorial for the Special Section on Enabling Very High Penetration Renewable Energy Integration Into Future Power Systems,¡± IEEE Transactions on Power Systems, vol. 33, No. 3, pp. 3223-3226, May 2018 (IEEExplore)

19.  Guoqiang Zu, Jun Xiao, Kai Sun, ¡°Distribution Network Reconfiguration Comprehensively Considering N-1 Security and Network Loss,¡± IET Generation, Transmission & Distribution, vol. 12, No. 8, pp. 1721-1728, April 2018 (IEEExplore).

20.   Tao Ding, Kai Sun, Can Huang, Zhaohong Bie, Fangxing Li, ¡°Mixed Integer Linear Programming-based Splitting Strategies for Power System Islanding Operation Considering Network Connectivity,¡± IEEE Systems Journal, vol. 12, No. 1, pp. 350-359, March 2018 (IEEExplore)

21.  Bin Wang, Kai Sun, Wei Kang, ¡°Nonlinear Modal Decoupling of Multi-Oscillator Systems with Applications to Power Systems,¡± IEEE Access, vol. 6, pp. 9201-9217, 2018 (PDF; IEEExplore).

22.  Amir Golshani, Wei Sun, Kai Sun, ¡°An advanced power system partitioning method for fast and reliable restoration: towards a self-healing power grid,¡± IET Generation, Transmission & Distribution, vol. 12, No. 1, pp. 42-52, 2018 (IEEExplore).

23.  Junjian Qi, Kai Sun, Jianhui Wang, Hui Liu, ¡°Dynamic State Estimation for Multi-Machine Power System by Unscented Kalman Filter with Enhanced Numerical Stability,¡± IEEE Transactions on Smart Grid, vol. 9, No. 2, pp. 1184-1196, March 2018 (PDF; IEEExplore)

24.   Yongli Zhu, Chengxi Liu, Bin Wang, Kai Sun, ¡°Damping Control for a Target Oscillation Mode Using Battery Energy Storage,¡± Journal of Modern Power Systems and Clean Energy, February 2018 (SpringerLink).

25.  Bin Wang, Chengxi Liu, Kai Sun, ¡°Multi-Stage Holomorphic Embedding Method for Calculating the Power-Voltage Curve,¡± IEEE Transactions on Power Systems, vol. 33, No. 1, pp. 1127-1129, January 2018 (PDF; IEEExplore)

2017

26.  Chengxi Liu, Bin Wang, Xin Xu, Kai Sun, Di Shi, Claus Leth Bak, ¡°A Multi-Dimensional Holomorphic Embedding Method to Solve AC Power Flows,¡± IEEE Access, vol. 5, pp. 25270-25285, 2017  (PDF; IEEExplore)

27.  Weihong Huang, Kai Sun, Junjian Qi, Jiaxin Ning, ¡°Optimal Allocation of Dynamic Var Sources Using the Voronoi Diagram Method Integrating Linear Programing,¡± IEEE Transactions on Power Systems, vol. 32, No. 6, pp. 4644 ¨C 4655, Nov. 2017 (PDF; IEEExplore).

28.  Rui Yao, Shaowei Huang, Kai Sun, Feng Liu, Xuemin Zhang, Shengwei Mei, Wei Wei, Lijie Ding, ¡°Risk Assessment of Multi-timescale Cascading Outages based on Markovian Tree Search,¡± IEEE Transactions on Power Systems, vol. 32, No. 4, pp. 2887 - 2900, July 2017 (PDF; IEEExplore)

29.  Wenyun Ju, Kai Sun, Junjian Qi, ¡°Multi-Layer Interaction Graph for Analysis and Mitigation of Cascading Outages,¡± IEEE Journal on Emerging and Selected Topics in Circuits and Systems,  vol. 7, No. 2, pp. 239-249, June 2017 (PDF; IEEExplore).

30.  Tao Ding, Kai Sun, Qingrun Yang, Abdul Wahab Khan, Zhaohong Bie, ¡°Mixed Integer Second Order Cone Relaxation with Dynamic Simulation for Proper Power System Islanding Operations,¡± IEEE Journal on Emerging and Selected Topics in Circuits and Systems, vol. 7, No. 2, pp.295-306, June 2017 (IEEExplore).

31.  Hongbin Sun, Qinglai Guo, Marija D. Ilić, Qiuwei Wu, Kai Sun, Pengwei Du, ¡°Guest Editorial for the Special Issue: Smart Grid Voltage Control,¡± IET Generation, Transmission & Distribution, vol. 11, No. 15, pp. 3655-3656, 2017

32.  Weihong Huang, Kai Sun, Junjian Qi, Jiaxin Ning, ¡°Optimization of Dynamic Reactive Power Sources Using Mesh Adaptive Direct Search,¡± IET Generation, Transmission & Distribution, vol. 11, No. 15, pp. 3675-3682, 2017 (PDF; IEEExplore)

33.  Fengkai Hu, Kai Sun, Di Shi, Zhiwei Wang, ¡°Measurement-based Voltage Stability Assessment for Load Areas Addressing n-1 Contingencies,¡± IET Generation, Transmission & Distribution, vol. 11, No. 15, pp. 3731-3738, 2017 (PDF; IEEExplore).

34.  Junjian Qi, Wenyun Ju, Kai Sun, ¡°Estimating the Propagation of Interdependent Cascading Outages with Multi-Type Branching Processes,¡± IEEE Transactions on Power Systems, vol. 32, No. 2, pp. 1212-1223, March 2017 (PDF; IEEExplore)

35.  Bin Wang, Kai Sun, ¡°Location Methods of Oscillation Sources in Power Systems: A Survey,¡±  Journal of Modern Power Systems and Clear Energy, vol. 5, No. 2, pp. 151-159, 2017 (PDF; SpringerLink)

36.  Bin Wang, Xiaowen Su, Kai Sun, ¡°Properties of the Frequency-Amplitude Curve,¡± IEEE Transactions on Power Systems, vol. 32, no. 1, pp. 826-827, January 2017 (PDF; IEEExplore)

37.  Nan Duan, Kai Sun, ¡°Power System Simulation Using the Multistage Adomian Decomposition Method,¡± IEEE Transactions on Power Systems,¡± vol. 32, no. 1, pp. 430-441, January 2017 (PDF; IEEExplore)

38.  Junjian Qi, Weihong Huang, Kai Sun, Wei Kang, ¡°Optimal Placement of Dynamic Var Sources by Using Empirical Controllability Covariance,¡± IEEE Transactions on Power Systems, vol. 32, no. 1, pp. 240-249, January 2017 (PDF; IEEExplore)

39.  Huimin Gao, Xiaogao Xie, Jianmin Zhang, Chenxi Wu, Kai Sun, ¡°Second-order oscillation mode study of hydropower system based on linear elastic model and modal series method,¡± International Transactions on Electrical Energy Systems, vol. 27, No. 1, January 2017 (DOI: 10.1002/etep.2233). (link)

2016

40.  Bin Wang, Kai Sun, ¡°Formulation and Characterization of Power System Electromechanical Oscillations,¡± IEEE Transactions on Power Systems, vol. 61, no. 6, pp. 5082-5093, November 2016 (PDF; IEEExplore)

41.  Feifei Bai, Yong Liu, Yilu Liu, Kai Sun, Navin Bhatt, Alberto Del Rosso, Evangelos Farantatos and Xiaoru Wang, ¡°A measurement-based approach for power system instability early warning,¡± Protection and Control of Modern Power Systems, 2016, DOI: 10.1186/s41601-016-0014-0 (link).

42.  Kai Sun, Junjian Qi, Wei Kang, ¡°Power System Observability and Dynamic State Estimation for Stability Monitoring Using Synchrophasor Measurements,¡± Control Engineering Practice, vol. 53, pp. 160-172, August 2016 (PDF; link)

43.  Fengkai Hu, Kai Sun, Alberto Del Rosso, Evangelos Farantatos, Navin Bhatt, ¡°Measurement-Based Real-Time Voltage  Stability Monitoring for Load Areas,¡± IEEE Transactions on Power Systems, vol. 31, No. 4, pp. 2787-2798, July 2016 (PDF; IEEExplore)

44.  Rui Yao, Shaowei Huang, Kai Sun, Feng Liu, Xuemin Zhang, Shengwei Mei, ¡°A Multi-timescale Quasi-Dynamic Model for Simulation of Cascading Outages,¡± IEEE Transactions on Power Systems, vol. 31, No. 4, pp. 3189-3201, July 2016 (PDF; IEEExplore)

45.  Feifei Bai, Lin Zhu, Yilu Liu, Xiaoru Wang, Kai Sun, Yiwei Ma, Mahendra Patel, Evangelos Farantatos, and Navin Bhatt, ¡°Design and Implementation of a Measurement-based Adaptive Wide-Area Damping Controller Considering Time Delays,¡± Electric Power Systems Research, vol. 130, pp. 1-9, January 2016 (PDF)

2015

46.  Feifei Bai, Yong Liu, Yilu Liu, Kai Sun, Navin Bhatt, Alberto Del Rosso, Evangelos Farantatos, Xiaoru Wang, ¡°Measurement-Based Correlation Approach for Power System Dynamic Response Estimation,¡± IET Generation, Transmission & Distribution, vol. 9, No. 12, pp. 1474-1484, September 2015 (PDF; IEEExplore)

47.  Yong Liu, Kai Sun, Yilu Liu, ¡°A Measurement-based Power System Model for Dynamic Response Estimation and Instability Warning,¡± Electric Power Systems Research, vol. 124, pp. 1-9, 2015 (PDF)

48.  Junjian Qi, Kai Sun, Wei Kang, ¡°Optimal PMU Placement for Power System Dynamic State Estimation by Using Empirical Observability Gramian,¡± IEEE Transactions on Power Systems, vol. 30, pp. 2041-2054, July 2015 (PDF; IEEExplore)

49.  Junjian Qi, Kai Sun, Shengwei Mei, ¡°An Interaction Model for Simulation and Mitigation of Cascading Failures,¡± IEEE Transactions on Power Systems, vol. 30, No. 2, pp. 804-819, March 2015 (PDF; IEEExplore)

2014 and before

50.  Chengxi Liu, Kai Sun, Zakir Hussain Rather, Zhe Chen, Claus Leth Bak, Paul Thøgersen, Per Lund, ¡°A Systematic Approach for Dynamic Security Assessment and the Corresponding Preventive Control Scheme Based on Decision Trees,¡± IEEE Transactions on Power Systems, vol. 29, No. 2, pp 717-730, March 2014 (PDF; IEEExplore)

51.  Kai Sun, Qiang Zhou, Yilu Liu, ¡°A Phase Locked Loop-based Approach to Real-time Modal Analysis on Synchrophasor Measurements,¡± IEEE Transactions on Smart Grid, vol. 5, No. 1, pp. 260-269, Jan. 2014 (PDF; IEEExplore)

52.  Kai Sun, Kyeon Hur, Pei Zhang, ¡°A New Unified Scheme for Controlled Power System Separation Using Synchronized Phasor Measurements,¡± IEEE Transactions on Power Systems, vol. 26, No. 3, pp. 1544-1554, Aug. 2011 (IEEExplore)

53.  Chong Wang, Vijay Vittal, Kai Sun, ¡°OBDD-Based Sectionalizing Strategies for Parallel Power System Restoration,¡± IEEE Transactions on Power Systems, vol. 26, No. 3, pp. 1426-1433, Aug. 2011 (IEEExplore)

54.  Yunhe Hou, Chen-Ching Liu, Kai Sun, Pei Zhang, Shanshan Liu, Dean Mizumura, ¡°Computation of Milestones for Decision Support during System Restoration,¡± IEEE Transactions on Power Systems, vol. 26 , No. 3, pp. 1399-1409, Aug. 2011 (IEEExplore)

55.  Kai Sun, Stephen T. Lee, Pei Zhang, ¡°An Adaptive Power System Equivalent for Real-time Estimation of Stability Margin using Phase-Plane Trajectories,¡± IEEE Transactions on Power Systems, vol. 26, pp. 915-923, May 2011. (IEEExplore)

56.  Ruisheng Diao, Kai Sun, Vijay Vittal, Robert J. O¡¯Keefe, Michael R. Richardson, Navin Bhatt, Dwayne Stradford, Sanjoy K. Sarawgi, ¡°Decision Tree-Based Online Voltage Security Assessment Using PMU Measurements,¡± IEEE Transactions on Power Systems, vol. 24, pp.832-839, May 2009. (IEEExplore)

57.  Kai Sun, Siddharth Likhate, Vijay Vittal, V. Sharma Kolluri, Sujit Mandal, ¡°An Online Dynamic Security Assessment Scheme using Phasor Measurements and Decision Trees,¡± IEEE Transactions on Power Systems, vol. 22, pp. 1935-1943, Nov 2007. (IEEExplore)

58.  Ming Jin, Tarlochan S. Sidhu, Kai Sun, ¡°A New System Splitting Scheme Based on the Unified Stability Control Framework,¡± IEEE Transactions on Power Systems, vol. 22, pp.433-441, Feb 2007. (IEEExplore)

59.  Kai Sun, Da-Zhong Zheng, Qiang Lu, ¡°Searching for Feasible Splitting Strategies of Controlled System Islanding,¡± IEE Proceedings Generation, Transmission & Distribution, vol.153, pp.89-98, Jan 2006. (IEEExplore)

60.  Kai Sun, Da-Zhong Zheng, Qiang Lu, ¡°A Simulation Study of OBDD-based Proper Splitting Strategies for Power Systems under Consideration of Transient Stability,¡± IEEE Transactions on Power Systems, vo.l.20, pp.389-399, Feb 2005. (IEEExplore)

61.  Qianchuan Zhao, Kai Sun, Da-Zhong Zheng, Jin Ma, Qiang Lu, ¡°A Study of System Splitting Strategies for Island Operation of Power System: A Two-phase Method Based on OBDDs,¡± IEEE Transactions on Power Systems, vol.18, pp.1556-1565, Nov 2003. (IEEExplore)

62.  Kai Sun, Da-Zhong Zheng, Qiang Lu, ¡°Splitting Strategies for Islanding Operation of Large-scale Power Systems Using OBDD-based Methods,¡± IEEE Transactions on Power Systems, vol.18, pp. 912-923, May 2003. (IEEExplore)

63.  Kai Sun, Qianchuan Zhao, Da-Zhong Zheng, ¡°A Hybrid Control for Autonomous Systems of Electric Power Supply (in Chinese),¡± Journal of Control Theory and Applications, vol. 19, pp. 23-28, Feb 2002. (LINK)

Magazine Articles

64.  K. Sun, ¡°Coherency Theory - An Excellent Reference on the Subject: Book Review of Power System Coherency and Model Reduction,¡± IEEE Power and Energy Magazine, vol. 12, No. 1, pp. 102-104, Jan 2014

 

Conference Papers

2018

1.      Xin Xu, Chengxi Liu, Kai Sun, ¡°A Holomorphic Embedding Method to Solve Unstable Equilibrium Points of Power Systems,¡± to be presented at IEEE CDC 2018.

2.      Nan Duan, Weihong Huang, Kai Sun, Xiaochuan Luo, Qiang Zhang, ¡°Multiple-shaft Turbine Model Reduction by Fractional-order Modeling,¡± 2018 IEEE PES General Meeting

3.      Nan Duan, Srdjan Simunovic, Aleksandar Dimitrovski, Kai Sun, ¡°Improving the Convergence Rate of Parareal-in-time Power System Simulation using the Krylov Subspace,¡± 2018 IEEE PES General Meeting

4.      Denis Osipov, Nan Duan, Aleksandar Dimitrovski, Srikanth Allu, Srdjan Simunovic, Kai Sun, ¡°Adaptive Model Reduction for Parareal in Time Method for Transient Stability Simulations,¡± 2018 IEEE PES General Meeting

5.      Q. Shi, Y. Xu, Y. Sun, W. Feng, F. Li, K. Sun, ¡°Analytical Approach to Estimating the Probability of Transient Stability under Stochastic Disturbances,¡± 2018 IEEE PES General Meeting

6.      Yongli Zhu, Chengxi Liu, Kai Sun, ¡°Image Embedding of PMU Data for Deep Learning towards Transient Disturbance Classification,¡± IEEE the 2nd International Conference on Energy Internet, Beijing, China, May 21-25, 2018

7.      Bin Wang, Yichen Zhang, Kai Sun, Kevin Tomsovic, ¡°Quantifying the Synthetic Inertia and Load-Damping Effect of a Converter-Interfaced Power Source,¡± EnergyCon 2018, Limassol, Cyprus, June 3-7, 2018.

8.       Nan Duan, Aleksandar Dimitrovski, Srdjan Simunovic, Kai Sun, Junjian Qi, Jianhui Wang, ¡°Embedding Spatial Decomposition in Parareal in Time Power System Simulation,¡± IEEE ISGT 2018, Feb. 19-22, 2018 in Washington, DC

2017

9.       Wenyun Ju, Bin Wang, Kai Sun, ¡°Can Nonlinear Electromechanical Oscillation be Analyzed Using an Equivalent SMIB System?¡± 2017 IEEE PES General Meeting

10.  Y. Wang, H. Pulgar-Painemal, K. Sun, ¡°Online analysis of voltage security in a microgrid using convolutional neural networks,¡± 2017 IEEE PES General Meeting.

11.   I.R. Cabrera, Bin Wang, Kai Sun, ¡°A Method to Locate the Source of Forced Oscillations Based on Linearized Model and System Measurements,¡± 2017 IEEE PES General Meeting.

12.  Chengxi Liu, Bin Wang, Kai Sun, ¡°Fast Power System Simulation Using Semi-Analytical Solutions Based on Pade Approximants,¡± 2017 IEEE PES General Meeting.

13.  Eric Abreut, Bin Wang, Kai Sun, ¡°Semi-Analytical Fault-on Trajectory Simulation and Its Application in Direct Methods,¡± 2017 IEEE PES General Meeting.

14.   Yongli Zhu, Bin Wang, Kai Sun, ¡°Damping Control for Power Systems Using Energy Storage,¡± 29th Chinese Control and Decision Conference, May 28-30, 2017, Chongqing, China.

2016

15.   N. Duan, A. Dimitrovski, S. Simunovic, K. Sun, ¡°Applying Reduced Generator Models in the Coarse Solver of Parareal in Time Parallel Power System Simulation,¡± IEEE PES Innovative Smart Grid Technologies Europe (ISGT Europe) Conference, October 9-12, 2016, Ljubljana, Slovenia.

16.  J. Qi, K. Sun, W. Kang, ¡°Adaptive Optimal PMU Placement Based on Empirical Observability Gramian,¡± IFAC Symposium on Non-Linear Control Systems (NOLCOS), August 23-25, 2016, Monterey, CA.

17.  A. C. Teron, A. Bartlett, N. Duan, K. Sun, ¡°Estimating the Nonlinear Oscillation Frequency of a Power System Using the Harmonic Balanced Method,¡± IEEE PES General Meeting, July 17-21, 2016, Boston, MA.

18.  D. Osipov, F. Hu, K. Sun, ¡°Voltage Stability Margin Estimation for a Load Area Using a Three-Bus Equivalent,¡± IEEE PES General Meeting, July 17-21, 2016, Boston, MA

19.  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 PES General Meeting, July 17-21, 2016, Boston, MA

20.  S. Maslennikov, B. Wang, Q. Zhang, F. Ma, X. Luo, K. Sun, E. Litvinov, ¡°A Test Cases Library for Methods Locating the Sources of Sustained Oscillations,¡± IEEE PES General Meeting, July 17-21, 2016, Boston, MA

2015

21.  Y. Tong, J. Sun, K. Sun, P. Li, ¡°Outsourcing Power System Simulations,¡± IEEE GLOBECOM, San Diego, CA, Dec 6-10, 2015

22.  Y. Tong, J. Sun, K. Sun, ¡°Privacy-preserving spectral estimation in smart grid,¡± IEEE SmartGridComm Symposium, Miami, FL, Nov 2-5, 2015

23.  F. Bai, H. Liu, L. Zhu, Y. Liu, K. Sun, X. Wang, M. Patel, E. Farantatos, ¡°A Measurement-based Control Input-output Signal Selection Approach to Damp Inter-area Oscillations,¡± 2015 APPEEC

24.  T. Ding, K. Sun, F. Li, H. Sun, X. Zhang, ¡°Graph Theory Based Splitting Strategies for Power System Islanding Operation,¡± 2015 IEEE PES General Meeting

25.  G. Gurrala, A. Dimitrovski, P. Sreekanth, S. Simunovic, M. Starke, K. Sun, ¡°Application of Adomian Decomposition for Multi-Machine Power System Simulation,¡± 2015 IEEE PES General Meeting

26.  N. Duan, B. Wang, K. Sun, ¡°Analysis of Power System Oscillation Frequency Using Differential Groebner Basis and the Harmonic Balance Method,¡± 2015 IEEE PES General Meeting (PDF)

27.  Y. Zhu, R. Azim, H. A. Saleem, K. Sun, D. Shi, R. Sharma, ¡°Microgrid Security Assessment and Islanding Control by Support Vector Machine,¡± IEEE PES General Meeting(PDF)

28.  B. Wang, K. Sun, X. Su, ¡°An Oscillation Decoupling Based Direct Method for Power System Transient Stability Analysis,¡± 2015 IEEE PES General Meeting (PDF)

29.  W. Ju, J. Qi, K. Sun, ¡°Simulation and Analysis of Cascading Failures on an NPCC Power System Test Bed,¡± 2015 IEEE PES General Meeting (PDF)

30.  E. Farantatos, A. Del Rosso, N. Bhatt, K. Sun, Y. Liu, L. Min, C. Jing, J. Ning, M. Parashar, ¡°A Hybrid Framework for Online Dynamic Security Assessment Combining High Performance Computing and Synchrophasor Measurements,¡± 2015 IEEE PES General Meeting

31.  M. Nakmali, D. Osipov, K. Sun, ¡°A New Hybrid Approach to Thevenin Equivalent Estimation for Voltage Stability Monitoring,¡± 2015 IEEE PES General Meeting (PDF)

32.  W. Huang, K. Sun, J. Qi, Y. Xu, ¡°Voronoi Diagram Based Optimization of Dynamic Reactive Power Sources,¡± 2015 IEEE PES General Meeting (PDF)

33.  N. Duan, K. Sun, ¡°Application of the Adomian Decomposition Method for Semi-Analytic Solutions of Power System Differential Algebraic Equations,¡± Powertech 2015, Eindhoven (PDF)

34.  R. Azim, K. Sun, F. Li, Y. Zhu, H. A. Saleem, D. Shi, R. Sharma, ¡°A Comparative Analysis of Intelligent Classifiers for Passive Islanding Detection in Microgrids,¡± Powertech 2015, Eindhoven (PDF).

35.  R. Azim, Y. Zhu, H. A. Saleem, K. Sun, F. Li, D. Shi, R. Sharma, ¡°A Decision Tree Based Approach for Microgrid Islanding Detection,¡± 2015 IEEE ISGT Conference in DC (PDF).

2014 and before

36.  A.D. Rosso, E. Farantatos, N. Bhatt, K. Sun, Y. Liu, C. Jing, J. Ning, ¡°Hybrid Simulation/Measurement-Based Framework for Online Dynamic Security Assessment,¡± CIGRE, Houston, TX, 2014

37.  K. Sun, W. Kang, ¡°Observability and Estimation Methods Using Synchrophasor,¡± The 19th IFAC World Congress, Cape Town, South Africa, 2014 (PDF)

38.  F. Bai, Y. Liu, Y. Liu, K. Sun, et al, ¡°Methods to Establish Input-Output Relationship for System Identification-Based Models,¡± 2014 IEEE PES General Meeting, National Harbor, MD (PDF)

39.  Y. Lei, Y. Liu, G. Kou, B. Wang, C. Liu, K. Sun, Y. Liu, K. Tomsovic, J. Chow, ¡°A Study on Wind Frequency Control under High Wind Penetration on an NPCC System Model,¡± 2014 IEEE PES General Meeting, National Harbor, MD (PDF)

40.  B. Trento, B. Wang, K. Sun, and L. M. Tolbert, ¡°Integration of Phase-Locked Loop Based Real-time Oscillation Tracking in Grid Synchronized Systems,¡± 2014 IEEE PES General Meeting, National Harbor, MD (PDF)

41.  F. Hu, K. Sun, A. D. Rosso, E. Farantatos, N. Bhatt, ¡°An Adaptive Three-bus Power System Equivalent for Estimating Voltage Stability Margin from Synchronized Phasor Measurements,¡± 2014 IEEE PES General Meeting, National Harbor, MD (PDF)

42.  L. E. Bernal, F. Hu, K. Sun, E. Farantatos, ¡°Identification and Wide-area Visualization of the Centers of Oscillation for a Large-scale Power System,¡± 2014 IEEE PES General Meeting, National Harbor, MD (PDF)

43.  B. Wang, K. Sun, A. D. Rosso, E. Farantatos, N. Bhatt, ¡°A Study on Fluctuations in Electromechanical Oscillation Frequencies of Power Systems,¡± 2014 IEEE PES General Meeting, National Harbor, MD (PDF)

44.  W. Huang, K. Sun, J. Qi, Y. Xu, ¡°A New Approach to Optimization of Dynamic Reactive Power Sources Addressing FIDVR Issues,¡± 2014 IEEE PES General Meeting, National Harbor, MD (PDF)

45.  F. Bai, Y. Liu, K. Sun, et al, ¡°Input Signals Selection for Measurement-Based Power System ARX Dynamic Model Response Estimation,¡± 2014 IEEE PES T&D Conference, Chicago, IL, US, 2014 (PDF)

46.  C. Li, Y. Liu, K. Sun, et al., ¡°Measurement Based Power System Dynamics Prediction with Multivariate AutoRegressive Model,¡± 2014 IEEE PES T&D Conference, Chicago, IL, US, 2014 (PDF)

47.  K. Sun, F. Hu, N. Bhatt, ¡°A New Approach for Real-Time Voltage Stability Monitoring Using PMUs,¡± 2014 IEEE ISGT Asia, Kuala Lumpur, Malaysia (PDF)

48.  G Wang, CC Liu, N Bhatt, E. Farantatos, K. Sun, ¡°Observability for PMU-based monitoring of nonlinear power system dynamics,¡± 2013 IREP Symposium - Bulk Power System Dynamics and Control-IX, Aug. 25-30, 2013, Rethymnon, Greece (PDF)

49.  K. Sun, X. Luo, J. Wong, ¡°Early Warning of Wide-Area Angular Stability Problems Using Synchrophasors,¡± IEEE PES General Meeting, 23-26 July 2012, San Diego, 2012 (LINK)

50.  Y. Liu, K. Sun Y. Liu, ¡°Measurement-based Power System Dynamic Model for Response Estimation,¡± IEEE PES General Meeting, 23-26 July 2012, San Diego, 2012 (LINK)

51.  F. Galvan, A. Abur,  K. Sun, V. Venkatasubramanian, ¡°Implementation of Synchrophasor Monitoring at Entergy: Tools, Training and Tribulations,¡± IEEE PES General Meeting, 23-26 July 2012, San Diego, 2012 (LINK)

52.  G. Zhang, K. Sun, H. Chen, R. Carroll, Y. Liu, ¡°Application of Synchrophasor Measurements for Improving Operator Situational Awareness,¡± IEEE PES General Meeting, Detroit, MI, 24-29 July 2011 (LINK)

53.  K. Sun, P. Zhang, N.S.B.N. Yusuf, ¡°Predicting Post-contingency Stability Margin Using Synchrophasors,¡± IEEE PES General Meeting, 25-29 July 2010, Minneapolis, 2010 (LINK)

54.  Y. Hou; C.-C. Liu; P. Zhang; K. Sun, ¡°Constructing power system restoration strategies,¡± IEEE International Conference ELECO 2009. Page(s): I-8 - I-13, 2009 (LINK)

55.  R. Diao, V. Vittal, K. Sun, S. Kolluri, S. Mandal, F. Galvan, ¡°Decision Tree Assisted Controlled Islanding for Preventing Cascading Events,¡± IEEE PES Power Systems Conference & Exposition, Seattle, March 15-18, 2009 (LINK)

56.  N. Bhatt, et al, ¡°Assessing vulnerability to cascading outages,¡± IEEE PES Power Systems Conference & Exposition, Seattle, March 15-18, 2009 (LINK)

57.  IEEE PES CAMS Task Force on Understanding, Prediction, Mitigation and Restoration of Cascading Failures, ¡°Vulnerability Assessment for Cascading Failures in Electric Power Systems,¡± IEEE PES Power Systems Conference & Exposition, Seattle, March 15-18, 2009 (LINK)

58.  IEEE PES CAMS Task Force on Understanding, Prediction, Mitigation and Restoration of Cascading Failures, ¡°Initial review of methods for cascading failure analysis in electric power transmission systems,¡± IEEE PES General Meeting, Pittsburgh, July 20-24, 2008 (LINK)

59.  K. Sun, S. Lee, ¡°Power System Security Pattern Recognition Based on Phase Space Visualization,¡± IEEE Int. Conf. on Electric Utility Deregulation and Restructuring and Power Technologies (DRPT 2008), Nanjing, April 6-9, 2008 (LINK)

60.  K. Sun, T. S. Sidhu, M. Jin, ¡°Online Pre-Analysis and Real-Time Matching for Controlled Splitting of Large-Scale Power Networks,¡± IEEE Intl. Conf. Future Power Systems, Amsterdam, Nov 16-18, 2005 (LINK)

61.  M. Jin, T. S. Sidhu, K. Sun, ¡°A New System Splitting Scheme Based on the Identification of Controlling Group,¡± IEEE Intl. Conf. Future Power Systems, Amsterdam, Nov. 16-18, 2005 (LINK).

62.  K. Sun, Q. Zhao, D. Zheng, J. Ma, Q. Lu, ¡°A Two-phase Method Based on OBDD for Searching for Splitting Strategies of Large-scale Power Systems,¡± IEEE Intl. Conf. PowerCon 2002, Kunming, Oct. 13-17, 2002 (LINK)

 

Published EPRI Technical Reports

1.      N. Bhatt (PM), E. Farantatos, A. Del Rosso, K. Sun, F. Hu, ¡°Real-Time Reactive Power Management and Voltage Control: Hybrid Voltage Stability Assessment (HVSA),¡± EPRI Product ID: 3002002868, 2014

2.      K. Sun, F. Hu, N. Bhatt, E. Farantatos, A. Del Rosso (PM), ¡°Hybrid Voltage Stability Assessment (HVSA): Integration of Simulation-Based and Measurement-Based Approaches in Real-Time Operation,¡± EPRI Product ID: 3002001313, 2013.

3.      W. Kang, K. Sun (PM), ¡°Detection of Instability Using Synchrophasors: A Theoretical Investigation on Observability with Synchrophasor Networks,¡± EPRI Product ID: 3002002061, 2013

4.      A. Del Rosso (PM), K. Sun, Y. Liu, G. Zhang, H. Chen, ¡°Demonstration of a Novel Synchrophasor-based Situational Awareness System: Wide Area Power System Visualization, On-line Event Replay and Early Warning of Grid Problems,¡± EPRI, Palo Alto, CA: 2013. DOE-DE-OE0000128 (LINK, PDF)

5.      C. Liu, G. Wang, Y. Liu, K. Sun, N. Bhatt (PM), E. Farantatos, ¡°Comprehensive Stability Analysis Using Synchrophasors,¡± EPRI Product ID: 1024264, 2012

6.      E. Farantatos, K. Sun (PM), A. Del Rosso (PM), ¡°A Hybrid Framework for Voltage Security Assessment Integrating Simulation- and Measurement-Based Approaches,¡± EPRI Product ID: 1024260, 2012

7.      K. Sun (PM), C. Liu, T. Yong, ¡°Visualization of Comprehensive Operating Boundary and Margin Information for Situational Awareness: Methodologies and Functional Requirements,¡± EPRI Product ID: 1021924, 2011

8.      K. Sun (PM), Y. Wang, ¡°Program on Technology Innovation: Online Power System Stability Assessment Using Real-time Measurements - Estimating Stability Margin from Measured Dynamic Trajectories,¡± EPRI Product ID: 1022397, 2010

9.      C. Liu, K. Sun (PM), ¡°Indication of Potential Cascading Outages Using Measurement Data,¡± EPRI Product ID: 1020051, 2010

10.  K. Sun (PM), G. Zhang, ¡°Preventing, Controlling and Mitigating Power System Separation: Developing an Early Warning and Decision Support Tool,¡± EPRI Product ID: 1020057, 2010

11.  C. Liu, Y. Hou, K. Sun (PM), S. Liu, ¡°Prototyping a Decision Support Tool for Evaluation of System Restoration Strategy Options,¡± EPRI Product ID: 1017799, 2009

12.  K. Sun (PM), K. Hur, ¡°Application of Phasor Measurement Units for Controlled System Separation,¡± EPRI Product ID: 1017800, 2009

13.  K. Sun, K. Hur (PM), ¡°Phasor Measurement Unit-Based Out-of-Step Protection Scheme,¡± EPRI Product ID: 1020377, 2009

14.  K. Sun, P. Zhang (PM), L. Min, ¡°Measurement-based Voltage Stability Monitoring and Control for Load Centers,¡± EPRI Product ID: 1017798, 2009

15.  K. Sun, P. Zhang (PM), ¡°Controlled System Separation,¡± EPRI Product ID: 1015993, 2008

16.  P. Zhang (PM), K. Sun, ¡°Effective Use of Distributed Phasor Measurement Units  and Disturbance Monitoring Devices for Wide-Area Monitoring, Load Modeling and Voltage Instability Load Shedding,¡± EPRI Product ID: 1018432, 2008

 


Awards and Honors

2016   CRSTT Most Valuable Players Award by North American Synchrophasor Initiative (NASPI)

2016    NSF CAREER Award (abstract)

2016    Professional Promise in Research Award by the College of Engineering, University of Tennessee - Knoxville.

2016    Sigma Xi member

2015    Best Conference Papers Award by IEEE PES General Meeting

2014    Best Conference Papers Award by IEEE PES General Meeting

2013    IEEE senior member

2009    EPRI Chauncey Award

2008    EPRI Technology Innovation Excellence Award

2006    ¡°Best 100 Ph.D. Dissertations of China¡± Award by the Ministry of Education, China (PDF)

 


Services

¡¤         Guest Editor of IEEE Transactions on Power Systems, 2017-2018

¡¤         Associate Editor of IEEE Access since 2018

¡¤         Editor of IEEE Transactions on Smart Grid since 2012

¡¤         Associate Editor of Journal of Modern Power Systems and Clear Energy since 2017

¡¤         Associate Editor of IET Generation, Transmission & Distribution since 2016

¡¤         Editor of Protection and Control of Modern Power Systems (PCMP) since 2016

 


Alumni (6 PhDs, 2 Masters)

¡¤         Wenyun Ju, Ph.D. in EE, August 2018 (now with Electric Power Group)
Dissertation: Modeling, Simulation and Analysis of Cascading Outages in Power Systems

¡¤         Yongli Zhu, Ph.D. in EE, July 2018 (now with GEIRI North America)
Dissertation: Control and Placement of Battery Energy Storage Systems for Power System Oscillation Damping

¡¤         Nan Duan, Ph.D. in EE, November 2017 (now with Lawrence Livermore National Laboratory)
Dissertation: Towards Faster-than-real-time Power System Simulation Using a Semi-analytical Approach and High-performance Computing

¡¤         Bin Wang,  Ph.D. in EE, October 2017 (now with Texas A&M University)
Dissertation: Nonlinear Oscillation Analysis and Modal Decoupling for Power Systems

¡¤         Weihong Huang, M.S. & Ph.D. in EE, December 2014 and October 2017 (now with New York ISO)
MS Thesis: A New Approach to Optimization of Dynamic Reactive Power Sources Addressing FIDVR Issues
Dissertation: Optimal Allocation of Dynamic Var Sources Addressing FIDVR Issues

¡¤         Fengkai Hu, PhD in Electrical Engineering, July 2016 (now with Siemens)
Dissertation: Real-time Voltage Stability Monitoring and Control for Load Areas: A Hybrid Approach

¡¤         Hira Amna Saleem, M.S. in Electrical Engineering, May 2014 (now with Shell, Pakistan)
Master¡¯s Thesis: Microgrid Modeling and Grid Interconnection Studies

 

Current PhD Students:
Denis Osipov, Xin Xu, Yang Liu, Tianwei Xia

 

Postdoctoral Researchers

¡¤         Dr. Chengxi Liu (2016-2018, PhD from Aalborg Univ., now Associate Professor with Aalborg Univ.)

¡¤         Dr. Rui Yao (2016-2018, PhD from Tsinghua Univ., now with Argonne National Laboratory )

¡¤         Dr. Junjian Qi (2013-2014, PhD from Tsinghua Univ., now professor with University of Central Florida),   

¡¤         Dr. Miao Fan (2013, PhD from ASU, now with Siemens PTI)

 

Visiting Scholars

¡¤         Changsheng Chen (2018-, China Electric Power Research Institute)

¡¤         Guoqiang Zu (2016-2017, Tianjin University, China)

¡¤         Yichen Guo (2016-, Shandong University, China)

¡¤         Jos¨¦ Iv¨¢n Reyes Cabrera (2015-2016, CINVESTAV, M¨¦xico), 

¡¤         Donghseng Cai (2014-2016, UESTC, China),   

¡¤         Dr. Hualiang Fang (2015-2016, Wuhan University, China),      

¡¤         Rui Yao (2014-2015, Tsinghua University, China),   

¡¤         Chengxi Liu (2012-2013, Aalborg University, Denmark),                     

¡¤         Dr. Ping Ma (2012-2013, Qingdao University, China)