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清华大学电机系

清华大学电机系本科生

清华大学电机系研究生

清华大学电机系校友会

清华大学能源互联网创新研究院

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Faculties

Current Location: Home > faculties > Wang Kui

Wang Kui

Research Direction

Multilevel converters, Energy Storage

West Main Building 2-302, Tsinghua University

wangkui@tsinghua.edu.cn

010-62785481

  • Biography
  • Teaching
  • Research Project
  • Publications
  • Authorized Patents

Kui Wang received his B.S. and Ph.D. degrees in Electrical Engineering from the Department of Electrical Engineering, Tsinghua University, Beijing, China, in 2006 and 2011, respectively. Currently he is an Associate Researcher with the Department of Electrical Engineering, Tsinghua University. From 2018 to 2019, he was a Visiting Scholar at the Center for Ultra-wide-area Resilient Electric Energy Transmission Networks (CURENT), University of Tennessee, Knoxville, TN, USA.

His research interests include topology and control of multilevel converters, energy storage systems, and wide band-gap semiconductors applications. He has presided 3 projects of National Natural Science Foundation of China, 3 projects of Beijing Natural Science Foundation, and 10 more projects of company cooperation. He has won 1 science and technology innovation award second prize by the Ministry of Education in 2017, 1 science and technology innovation award first prize by the China Power Supply Society in 2021, and the Outstanding Youth Award by the China Power Supply Society in 2021.

Dr. Wang is the first author or co-author for over 60 IEEE transaction papers and 100 more conference papers. He is also the holder of 10 more Chinese patents and 3 U.S. patents. He is a member of IEEE Power Electronics Society, IEEE Industrial Electronics Society, and IEEE Industry Applications Society. He has become an IEEE Senior Member since 2019.



Post graduate course: “Topology and control of multilevel converters”

(1)Selected Academic Funds

2018.01-2021.12，Research on the key techniques of optimizing operation for modular multilevel converters used in electric drive applications. National Nature Science Fund of China, NSFC (PI)

2015.01-2017.12，Research on the topology and control strategy of new active neutral-point clamped multilevel converters. National Nature Science Fund of China for Young Scholars, NSFC (PI)

2015.01-2016.12，Research on the topology theory and application key technology of multilevel converters based on SiC devices. Beijing Nature Science Fund for Young Scholars, BNSF (PI)

(2)Selected International Collaboration Projects

2014.07-2016.1，Delta Environmental & Educational Foundation，Research on new five-level active neutral-point clamped multilevel converters (PI)

2013.11-2014.12，Schneider Electric, Research on the prototype of a new medium-voltage inverter topology


[1]  M. Wu, Y. W. Li, H. Tian, Y. Li and K. Wang, “Modified Carrier-Overlapped PWM with Balanced Capacitors and Eliminated Dead-Time Spikes for Four-Level NNPC Converters under Low Frequency,” IEEE Journal of Emerging and Selected Topics in Power Electronics, early access.

[2]   C. Wang, Z. Zheng, K. Wang, B. Yang, P. Zhou and Y. G. Li, “Analysis and Control of Modular Multilevel Matrix Converters under Branch Fault Conditions,” IEEE Transactions on Power Electronics, early access.

[3]   J. Liu, C. Li, Z. Zheng, K. Wang and Y. Li, “A Quasi-2-level Medium-Voltage SiC MOSFET Power Module with Low Loss and Voltage Self-Balance,” IEEE Transactions on Power Electronics, early access.

[4]   J. Sun, C. Li, Z. Zheng, K. Wang and Y. Li, “Online Estimation of Per-phase Stator Resistance Based on DC-Signal Injection for Condition Monitoring in Multiphase Drives,” IEEE Transactions on Industrial Electronics, early access.

[5]   K. Wang, Z. Zheng, L. Xu and Y. Li, “Neutral-Point Voltage Balancing Method for Five-Level NPC Inverters Based on Carrier-Overlapped PWM,” IEEE Transactions on Power Electronics, vol. 36, no. 2, pp. 1428-1440, Feb. 2021.

[6]   K. Wang, Z. Zheng, L. Xu and Y. Li, “A Composite Voltage Balancing Method for Four- Level NPC Inverters,” IEEE Journal of Emerging and Selected Topics in Power Electronics. vol. 9, no. 3, pp. 3394 - 3406, Sept. 2021.

[7]   M. A. Qamar, K. Wang, Z. Zheng, S. Wang and Y. Li, “A Simplified Virtual Vector PWM Algorithm to Balance the Capacitor Voltages of Four-Level Diode-Clamped Converter,” IEEE Access, vol. 8, pp. 180896-180908, 2020.

[8]   H. Xu, L. Xu, C. Li, K. Wang, z. zheng and Y. Li, “Improved Interleaved Discontinuous PWM for Zero-Sequence Circulating Current Reduction in Three-Phase Paralleled Converters,” IEEE Transactions on Industrial Electronics, vol. 68, no. 9, pp. 8676-8686, 2021.

[9]   J. Liu, C. Li, Z. Zheng, K. Wang and Y. Li, “Current Discrepancy Mitigation of Input-Parallel Output-Parallel Dual Active Bridge Converters Using Coupled Inductors,” IEEE Transactions on Industrial Electronics, vol. 68, no. 9, pp. 8182-8192, Nov. 2021.

[10] M. Wu, K. Wang, K. Yang, G. Konstantinou, Y. W. Li and Y. Li, “Unified Selective Harmonic Elimination Control for Four-Level Hybrid-Clamped Inverters,” IEEE Transactions on Power Electronics, vol. 35, no. 11, pp. 11488-11501, Nov. 2020.

[11]  S. Wang, C. Li, K. Wang, Z. Zheng and Y. Li, “Loss Imbalance and Transient DC-bias Mitigation in Dual Active Bridge DC/DC Converters,” IEEE Journal of Emerging and Selected Topics in Power Electronics, vol. 9, no. 2, pp. 1399-1409, Nov. 2021.

[12] K. Wang, Z. Zheng, L. Xu and Y. Li, “A Generalized Carrier-Overlapped PWM Method for Neutral-Point-Clamped Multilevel Converters,” IEEE Transactions on Power Electronics, vol. 35, no. 9, pp. 9095-9106, Sept. 2020.

[13] X. Xu, Z. Zheng, K. Wang, B. Yang and Y. Li, “A Comprehensive Study of Common Mode Voltage Reduction and Neutral Point Potential Balance for a Back-to-Back Three-Level NPC Converter,” IEEE Transactions on Power Electronics, vol. 35, no. 8, pp. 7910-7920, Aug. 2020.

[14] K. Wang, Z. Zheng, L. Xu and Y. Li, “An Optimized Carrier-Based PWM Method and Voltage Balancing Control for Five-Level ANPC Converters,” IEEE Transactions on Industrial Electronics, vol. 67, no. 11, pp. 9120-9132, Nov. 2020.

[15] K. Wang, Z. Zheng, N. Liu and Y. Li, “An Improved Phase-Shifted PWM for a Five-Level Hybrid-Clamped Converter With Optimized THD,” IEEE Transactions on Industry Applications, vol. 56, no. 1, pp. 455-464, Jan.-Feb. 2020.

[16] K. Wang, Z. Zheng and Y. Li, “Topology and Control of a Four-Level ANPC Inverter,” IEEE Transactions on Power Electronics, vol. 35, no. 3, pp. 2342-2352, March 2020.

[17] J. Liu, K. Wang, Z. Zheng, C. Li and Y. Li, “A Dual-Active-Clamp Quasi-Resonant Isolated Boost Converter for PV Integration to Medium-Voltage DC Grids,” IEEE Journal of Emerging and Selected Topics in Power Electronics, vol. 8, no. 4, pp. 3444-3456, Dec. 2020.

[18] C. Wang, K. Wang, Z. Zheng, K. Sun and Y. Li, “Modulation Induced Current Imbalance and Its Sensorless Control of a GaN-Based Four-Phase DC–DC Power Amplifier,” IEEE Transactions on Industrial Electronics, vol. 67, no. 2, pp. 1520-1531, Feb. 2020.

[19] S. Wang, Z. Zheng, C. Li, L. Xu, K. Wang and Y. Li, “Accurate frequency-domain analysis and hybrid control method for isolated dual active bridge series resonant DC/DC converters,” IET Power Electronics, vol. 12, no. 11, pp. 2932-2941, 18 9 2019.

[20] Y. Wang, K. Wang, C. Li, Z. Zheng and Y. Li, “System-Level Efficiency Evaluation of Isolated DC/DC Converters in Power Electronics Transformers for Medium-Voltage DC Systems,” IEEE Access, vol. 7, pp. 48445-48458, 2019.

[21] C. Wang, K. Wang, Z. Zheng, B. Yang, K. Sun and Y. Li, “Analysis and Control of Three-Phase Modular Multilevel Converters Under the Single Arm Fault Condition,” IEEE Transactions on Power Electronics, vol. 34, no. 9, pp. 8293-8298, Sept. 2019.

[22] S. Wang, Z. Zheng, C. Li, K. Wang and Y. Li, “Time Domain Analysis of Reactive Components and Optimal Modulation for Isolated Dual Active Bridge DC/DC Converters,” IEEE Transactions on Power Electronics, vol. 34, no. 8, pp. 7143-7146, Aug. 2019.

[23] K. Wang, Z. Zheng, B. Fan, L. Xu and Y. Li, “A Modified PSPWM for a Five-Level Hybrid-Clamped Inverter to Reduce Flying Capacitor Size,” IEEE Transactions on Industry Applications, vol. 55, no. 2, pp. 1658-1666, March-April 2019.

[24] K. Wang, Z. Zheng and Y. Li, “A Novel Carrier-Overlapped PWM Method for Four-Level Neutral-Point Clamped Converters,” IEEE Transactions on Power Electronics, vol. 34, no. 1, pp. 7-12, Jan. 2019.

[25] B. Fan, K. Wang, Z. Zheng, L. Xu and Y. Li, “Optimized Branch Current Control of Modular Multilevel Matrix Converters Under Branch Fault Conditions,” IEEE Transactions on Power Electronics, vol. 33, no. 6, pp. 4578-4583, June 2018.

[26] B. Fan, K. Wang, P. Wheeler, C. Gu and Y. Li, “An Optimal Full Frequency Control Strategy for the Modular Multilevel Matrix Converter Based on Predictive Control,” IEEE Transactions on Power Electronics, vol. 33, no. 8, pp. 6608-6621, Aug. 2018.

[27] K. Wang, Z. Zheng, L. Xu and Y. Li, “Topology and Control of a Five-Level Hybrid-Clamped Converter for Medium-Voltage High-Power Conversions,” IEEE Transactions on Power Electronics, vol. 33, no. 6, pp. 4690-4702, June 2018.

[28] B. Fan, K. Wang, P. Wheeler, C. Gu and Y. Li, “A Branch Current Reallocation Based Energy Balancing Strategy for the Modular Multilevel Matrix Converter Operating Around Equal Frequency,” IEEE Transactions on Power Electronics, vol. 33, no. 2, pp. 1105-1117, Feb. 2018.

[29] Q. M. Attique, Y. Li and K. Wang, “A survey on space-vector pulse width modulation for multilevel inverters,” CPSS Transactions on Power Electronics and Applications, vol. 2, no. 3, pp. 226-236, Sept. 2017.

[30] K. Wang, Z. Zheng, D. Wei, B. Fan and Y. Li, “Topology and Capacitor Voltage Balancing Control of a Symmetrical Hybrid Nine-Level Inverter for High-Speed Motor Drives,” IEEE Transactions on Industry Applications, vol. 53, no. 6, pp. 5563-5572, Nov.-Dec. 2017.

[31] L. Qiu, L. Xu, K. Wang, Z. Zheng and Y. Li, “Research on Output Voltage Modulation of a Five-Level Matrix Converter,” IEEE Transactions on Power Electronics, vol. 32, no. 4, pp. 2568-2583, April 2017.

[32] B. Fan, Y. Li, K. Wang, Z. Zheng and L. Xu, “Hierarchical System Design and Control of an MMC-Based Power-Electronic Transformer,” IEEE Transactions on Industrial Informatics, vol. 13, no. 1, pp. 238-247, Feb. 2017.

[33] Z. Liu, Z. Zheng, L. Xu, K. Wang and Y. Li, “Current Balance Control for Symmetrical Multiphase Inverters,” IEEE Transactions on Power Electronics, vol. 31, no. 6, pp. 4005-4012, June 2016.

[34] K. Wang, L. Xu, Z. Zheng and Y. Li, “Voltage Balancing Control of a Four-Level Hybrid-Clamped Converter Based on Zero-Sequence Voltage Injection Using Phase-Shifted PWM,” IEEE Transactions on Power Electronics, vol. 31, no. 8, pp. 5389-5399, Aug. 2016.

[35] C. Gu, Z. Zheng, L. Xu, K. Wang and Y. Li, “Modeling and Control of a Multiport Power Electronic Transformer (PET) for Electric Traction Applications,” IEEE Transactions on Power Electronics, vol. 31, no. 2, pp. 915-927, Feb. 2016.

[36] P. Tian, X. Xiao, K. Wang and R. Ding, “A Hierarchical Energy Management System Based on Hierarchical Optimization for Microgrid Community Economic Operation,” IEEE Transactions on Smart Grid, vol. 7, no. 5, pp. 2230-2241, Sept. 2016.

[37] K. Wang, L. Xu, Z. Zheng and Y. Li, “Capacitor Voltage Balancing of a Five-Level ANPC Converter Using Phase-Shifted PWM,” IEEE Transactions on Power Electronics, vol. 30, no. 3, pp. 1147-1156, March 2015.

[38] Z. Zheng, Z. Gao, C. Gu, L. Xu, K. Wang and Y. Li, “Stability and Voltage Balance Control of a Modular Converter With Multiwinding High-Frequency Transformer,” IEEE Transactions on Power Electronics, vol. 29, no. 8, pp. 4183-4194, Aug. 2014.

[39] Z. Zheng, K. Wang, L. Xu and Y. Li, “A Hybrid Cascaded Multilevel Converter for Battery Energy Management Applied in Electric Vehicles,” IEEE Transactions on Power Electronics, vol. 29, no. 7, pp. 3537-3546, July 2014.

[40] K. Wang, Z. Zheng, L. Xu and Y. Li, “A Four-level Hybrid-Clamped Converter With Natural Capacitor Voltage Balancing Ability,” IEEE Transactions on Power Electronics, vol. 29, no. 3, pp. 1152-1162, March 2014.

[41] K. Wang, Z. Zheng, Y. Li, K. Liu and J. Shang, “Neutral-Point Potential Balancing of a Five-Level Active Neutral-Point-Clamped Inverter,” IEEE Transactions on Industrial Electronics, vol. 60, no. 5, pp. 1907-1918, May 2013.

[42] K. Wang, Y. Li, Z. Zheng and L. Xu, “Voltage Balancing and Fluctuation-Suppression Methods of Floating Capacitors in a New Modular Multilevel Converter,” IEEE Transactions on Industrial Electronics, vol. 60, no. 5, pp. 1943-1954, May 2013.

[43] L. Xu, Y. Li, K. Wang, J. C. Clare and P. W. Wheeler, “Research on the Amplitude Coefficient for Multilevel Matrix Converter Space Vector Modulation,” IEEE Transactions on Power Electronics, vol. 27, no. 8, pp. 3544-3556, Aug. 2012.




[1] Wang Kui, Zheng Zedong, Li Yongdong. Method and device for voltage balancing of dc bus capacitors of neutral-point clamped four-level inverter: US, US20170222574A1, 2017.

[2] Wang Kui, Zheng Zedong, Li Yongdong. Single carrier based multilevel modulation method and device, and storage medium: US, US10910955B2, 2021.2.

[3] Wang Kui, Zheng Zedong, Li Yongdong. A drive system for multi-phase motors: China，ZL201610718515.4, 2019.1

[4] Wang Kui, Li Yongdong, Zheng Zedong. A hybrid-clamped four-level converter: China, ZL201110146436.8，2013.11.

[5] Zheng Zedong, Wang Kui, Li Yongdong. A hybrid-cascaded multilevel charge/discharge and voltage balancing circuit for energy storage: China，ZL201110127035.8，2013.4.

[6] Li Yongdong, Wang Kui, Zheng Zedong. A cascaded multilevel converter: China, ZL200910078309.1，2012.9