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Current Location: Home > faculties > Li Yongdong

Li Yongdong

Professor

Research Direction

High Voltage Power Electronic Multilevel Converters and their Applications in Variable Speed Drives for Energy Saving,etc

2-304 West Main Building, Tsinghua University

liyd@mail.tsinghua.edu.cn

010-62772450

  • Biography
  • Teaching
  • Research Project
  • Publications
  • Social service

Prof. Yongdong Li was born in Hebei province, China in 1962. He has received Bachelor’s Degree from Department of Electrical Engineering of Harbin Institute of Technology in 1982, and Ms. Degree and Ph.D in 1984, 1987 respectively from Department of Electrical Engineering and Automation of Institut National Polytechnique de Toulouse, France. He was a post-doctor from 1988 to 1990 and became a full professor since 1996 in the Department of Electrical Engineering of Tsinghua University. From June to Dec. of 1996, he was a visiting professor in VPEC of Virginia Polytechnic Institute and State University, United States. His research interests include high voltage power electronic converters and their applications in variable speed drives for energy saving, digital control, sensor-less drives of AC motors and their applications in NC machine-tools, traction drives for high speed train and propulsion drives for ships, renewable energy generation, like wind, solar...etc. He’s accomplished several NSF projects and lot of other projects with success, e.g. the first industry standard high power multilevel inverter in China, 1.5 Megawatt DFIG for wind generation…etc. He’s got the honors of “Delta Scholar” in 2003, “Tianshan Scholar” in 2013, and “Excellent Professor and Good Friend” of students of Tsinghua University several times.

He’s been Vice-director of Electrical Machine and Control Group of Dept. of E. E., Tsinghua University, Vice-director of National Key Lab. of Control and Simulation of Power System and large generator, Director of Power Electronics and Motor Control Lab., Vice-director of Post-graduate Office of Graduate School of Tsinghua University, and is currently IEEE IAS Beijing Chapter Chairman,IET Fellow, Deputy director of Power Electronic Engineering Research Center of Tsinghua University, Vice-director of Institute of New Concept EV, and Senior Member of China Electro-technique Society, Vice-chairman of China Power Electronics Society, Vice-chairman of Electrical Automation Committee of China Automation Association, Member of Editing Board of Journal of Electrical Engineering and ELECTROMOTION, Member of board of directors of PCIM Asia. He is author of 3 Monographs, more than 300 papers in national and international conferences and journals, including more than 100 papers indexed by SCI and EI. Also he is very active in international cooperation as a visiting professor in many universities, to name a few, INPT, Ecole Centrale de Lille, Ecole Normale de Cachan, Virginia Polytechnic Institute and State University, University of Wisconsin, University of Nottingham, Ryerson University, UBC, Yokohama National University, University of Seoul, Hong Kong University…etc.

(1) Undergraduates Courses

 Principle of Automatic Control

 Topics on Power Electronics

(2) Postgraduates Courses

 Modern Power Electronics

 High Power Multilevel Converter:Principle and Control

(1) Selected Academic Funds

 2016-2018,Novel Photo-voltaic DC-DC Boost Converter Based on WBG Power Devices, Project of The National Key Research and Development Program of China, Ministry of Industry and IT. (PI 2016YFB0900205)

 2015-2018,Key Technology and R & D of Bidirectional Converter for Photo-voltaic Microgrid, The National High-Tech Research and Development Program(863) of China, Ministry of Science and Technology. (PI, 2015AA050606)

 2014-2016, Research on the Control Algorithm and Application Technology of Cascaded Multilevel Matrix Converter, BJSF (PI, 4142026)

 2013-2016, Research on the Topology and Control Algorithm for the Capacitor Clamped Multilevel Matrix Converter, NSFC (PI, 51277108)

 2007-2009, Research on Control of Multilevel Converter Based on a Virtual Coordination Transformation, NSFC (PI, 50677033)

 2007-2009, High Efficiency Energy Conversion and Control of High Power Electrical Machine Drives, The National High-Tech Research and Development Program(863) of China, Ministry of Science and Technology. (PI, 2007AA05Z264)

 2006-2009, Centralized and Remote Control of 1.5 Megawatt DFIG for Wind Power and its Applications, The National Enabling Technology Research and Development Program of China, Ministry of Science and Technology.(PI,2006BAA01A19)

 1999-2001, Research on Speed Estimation Algorithm of Induction Motor at Very Low Speed Including Zero, NSFC (PI, 059877010)

 1992-1995, Optimal State Variable Observer and its application to Speed and Position Sensing of AC Servo Drives, Program of the Fok Ying-Tong Education Foundation (PI)

 1991-1993, State Variable Observer and Optimal Control of Induction Motor, NSFC for Young Scholars (PI, 5900792)

(2) Selected International Collaboration Projects

 2018-2019,Development of the Coordinated Control System between Cells for the Bidirectional Cascaded H-Bridge Inverter Mitsubishi Heavy Industry Co. Ltd. Japan, (PI on China side, 20183000154)

 2014-2017, Research on the topology, control and application of AC/AC modular multilevel converters,Key Project of Delta Education Fund for Power Electronic, (PI on China side, 20163000008)

 2013-2016, Research on the Topology and Control Algorithm for the Capacitor Clamped Multilevel Matrix Converter, NSFC and The University of Nottingham UK, (PI on China side, 51277108)

 2013-2014, Study on a Prototype of a Novel Topology for Medium Voltage Inverters, Beijing Leader- Harvest(Schneider Electric of France) Co. Ltd., (PI on China side, 2013300379)

 2008-2012, Future Reliable Renewable Energy Conversion Systems and Networks (FRENS), China- UK Joint Seminar, (Co-Chairman of Organizing Committee)

 2011-2012, The optimization of the electric locomotive drive system considered the power supply system in the Chinese railroad, Toshiba Co. Ltd. Japan, (PI on China side, 20113000033)

 2010-2011, Converter in Wind Power DFIG, Alstom Power System A.G, (PI on China side,3000044)

 2009-2012, Study on Energy Storage and Management of Distributed Renewable Energy Generation System, Key Project of Delta Education Fund for Power Electronic, (PI on China side, 20093000452)

 2007-2008, Advancing Turbine Grid Integration Controls to Enable Large Scale Wind Integration, GE Global Research Center in Shanghai, (PI on China side)

 2006-2007, Development of the auto-tuning methods of Induction motors, Mitsubishi Heavy Industry Co. Ltd. Japan, (PI on China side)

 2004-2005, Development and Verification of Sensor-less Vector Control Method for Compressor Ripple Torque, Mitsubishi Heavy Industry Co. Ltd. Japan, (PI on China side)

 1997-1998, Sensor-less Vector Control of Induction Motor, Samsung Electronics Co. Ltd. South Korea, (PI on China side)

(3) Selected Industry Projects

 2018-2019,High Frequency-High Power Wireless Energy Transmission System,Global Energy Internet Institute Co. Ltd.,(PI, 20182001238)

 2018-2019,High Voltage Back-Back 3 level NPC Converter, Tianshui Institute of Electrical Drives Co. Ltd.,(PI, 20182000947)

 2015-2018, Application of Power Electronics and New Devices to the Communication, Beijing Shengfeifan Electronic System Co. Ltd., (PI, 20152001391)

 2015-2017,Real-time Simulation Platform of Electrical System of MEA, Beijing Technology Center of Civil Aviation of COMAC (PI, 20152000817)

 2014-2015, R&D of Traction Drive Controller. Hitachi-Yongji Electric Equipment Co. Ltd. (PI, 201430002395)

 2014-2015, 15 phase Induction Motor Control. Zhongchuan Heavy Industry Co. Ltd.(PI, 20144810061)

 2012-2013, Energy Regeneration of Subway Traction. Hunan Hengxin Technology Co. Ltd.(PI, 20122001130)

 2011-2013, 1 MW High Power Factor Rectifier. Zhongchuan Heavy Industry Co. Ltd.(PI, 20112001288)

 2013-2014, Modeling and Case Study of Multilevel Converter. China Electrical Power Research Institute.(PI, 20132001376)

 2013-2014, Simulation of Power Supply System of Subway Traction with Energy Storage. Guangzhou Subway Research Institute Co. Ltd. (PI, 20132001070)

 2013-2014, Power Electronic Transformer. Zhuzhou Time Traction Drive Co. Ltd.(PI, 20132000910)

 2012-2014, HT110 Electrical Drive Controller. Hubei Sanjiang Hongfeng Co. Ltd. (PI, 20122000896)

 2012-2013, Medium-Voltage Drives with PWM Front End. Luoyang Yuanchuang Co. Ltd. (PI,20122000272)

 2011-2013, Medium-Voltage High Power Multilevel Converter. Zhuzhou Time Traction Drive Co. Ltd. (PI, 20112001150)

 2010-2011, Traction Drives of Vector Controlled AC Motor. Yongji Electrical Machine Co. Ltd.(PI)

 2010-2011, High Power Supply. Zhongchuan Heavy Industry Co. Ltd.(PI)

 2009-2011, Power Supply and Drives for High Speed Train. Tsinghua University. (PI, 20091081352)

 2009-2010, Servo Drives of PMSM. Beijing Hangtian Institute. (PI)

Prof. Yongdong Li has published 4 books, more than 300 journal and conference papers including more than 100 papers indexed by SCI and EI. Best Paper Award in International Conference PCIM’ China, 2009. Best Paper Award “Shunben Shorei”in Industry Application Annual Meeting of Institute of Electrical Engineering of Japan, 1993. One of the 10 Best Papers in First European Conference on Power Electronics and Applications EPE, Brussel Belgium 1985.

(1) Books

 Li yongdong, Xiao Xi, Gao Yue. High Power Multilevel Converter, Science Press, October 2005

 Li Yongdong. Digital Control System of AC Motors, China Machine Press, March 2002

(2) Textbooks

 Li Yongdong. AC motor digital control system (third edition), Mechanical Industry Press, March 2017

 Xu Dehong, Chen Zhiming, Li Yongdong, Kang Yong, Ruan Xinbo, Chen Min. Modern Power Electronics, China Machine Press, May 2013

 Li Yongdong. Modern Power Electronics—Principle and Applications, Publishing House of Electronics Industry, November 2011

(3) Book Chapter

Baoming Ge, Fangzheng Peng, Yongdong Li. Multilevel Converter/Inverter Topologies and Applications in: Power Electronics for Renewable Energy Systems, Transportation and Industrial Applications, Pages422-462, Edited by Haitham Abu-Rub, Mariusz Malinowski and Kamal Al-Haddad. USA and UK IEEE Press and Wiley, 2014, ISBN978-1118-63403-5

(4) Selected International Journal Papers Since 2010

1) Han Yang, Lu Haifeng, Li Yongdong, et al. Analysis and Suppression of Shaft Voltage in SiC-based Inverter for Electric Vehicle Applications. IEEE Transactions on Power Electronics, 2018.

2) Han Yang, Lu Haifeng, Li Yongdong, et al. Open-Loop Gate Control for Optimizing the Turn-On Transition of SiC MOSFETs. IEEE Journal of Emerging and Selected Topics in Power Electronics, Jul. 2018.

3) Liu, Feipeng; Xu, Lie; Wang, Kui; Zhou, Peiyi; Li, Yongdong.CMV reduction for five-level ANPC converter by PS-PWM strategy. Journal of engineering-joe,13,pp.425-431,2018

4) Wang, Meiqi; Xu, Lie; Wang, Kui; Zheng, Zedong; Li, Yongdong; Grada, Chris; Zhang, He.Hardware-in-the-loop real-time platform for more electric aircraft. Journal of engineering-joe, 13,pp.446-452,2018

5) Liu, Guobing; Wang, Kui; Qu, Cangqi; Liu, Shaogang; Jia, Qi; Li, Yongdong.Phase-shift full bridge power supply based on SiC devices. Journal of engineering-joe,13,pp.453-460,2018

6) Huang, Songtao; Xu, Lie; Guo, Yougui; Li, Yongdong; Deng, Wenlang. Research on three-phase four-leg matrix converter based more electric aircraft wing ice protection system. Journal of engineering-joe,13,pp.529-533,2018

7) Luo, Zhiwen; Li, Yongdong; Zhang, Xinyan; Wang, Kui. Vector control implementation in field programmable gate array for 200 kHz GaN-based motor drive systems. Journal of engineering-joe, 13,pp.650-653,2018

8) Qiu Lin; Xu Lie; Li Yongdong; Huang Xiaoyan; Fang Youtong. Spectral analysis of a SVPWM modulated matrix converter based on 3D Fourier integral. Journal of engineering-joe, Vol.13,pp,411-416,2018

9) Qamar Muhammad Attique, Yongdong Li and Wang Kui. A Survey on Space-Vector Pulse Width Modulation for Multilevel Inverters. CASS Trans. on Power Electronics and Applications.Vol.2, No.3, September, 2007

10) Fan Boran, Wang Kui, Li Yongdong. An Optimal Full Frequency Control Strategy for the Modular Multilevel Matrix Converter Based on Predictive Control. IEEE Trans. on Power Electronics.2017

11) Fan Boran, Wang Kui, Li Yongdong. Optimized Branch Current Control of Modular Multilevel Matrix Converters under Branch Fault Conditions. IEEE Trans. on Power Electronics.2017

12) Fan Boran, Pat. Wheeler, Gu Chunyang, Wang Kui, Li Yongdong. A Branch Current Reallocation Based Energy Balancing Strategy for the Modular Multilevel Matrix Converter Operating Around Equal Frequency. IEEE Trans. on Power Electronics. 33(2),pp1105-1117,2017

13) Wang Kui, Zheng Zedong, Li Yongdong. Topology and Control of a Five-Level Hybrid-Clamped Converter for Medium-Voltage High-Power Conversions. IEEE Trans. on Power Electronics.2017

14) Liu Zicheng, Peng Zhong, Zheng Zedong, Li Yongdong. Enhancing Fault-Tolerant Ability of a Nine-Phase Induction Motor Drive System Using Fuzzy Logic Current Controllers. IEEE Trans. Energy Conversion. 32(2), pp759-769,2017

15) Wang Kui, Zheng Zedong, Li Yongdong. Topology and Capacitor Voltage Balancing Control of a Symmetrical Hybrid Nine-Level Inverter for High-Speed Motor Drives. IEEE Trans. on Industry Applications. 53(6), pp.5563-5572,2017

16) Zicheng Liu, D. Sudhoff S, Zheng Zedong, Li Yongdong. Reduction of Common-Mode Voltage in Multiphase Two-Level Inverters Using SPWM With Phase-Shifted Carriers. IEEE Transactions on Power Electronics. vol.31, Iss.9,pp.6631-6649,2016

17) Lin Qiu, Lie Xu, Kui Wang, Zedong Zheng, Yongdong Li. Research on Output Voltage Modulation of a 5-level Matrix Converter. IEEE Transactions on Power Electronics.2016

18) Lie Xu, Kui Wang, Zedong Zheng, Yongdong 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, Iss.8,pp.5389-5399,2016

19) Zicheng Liu, Zheng Zedong, Xu Lie, Li Yongdong. Current Balance Control for Symmetrical Multiphase Inverters. IEEE Transactions on Power Electronics. vol.31, Iss.6,pp.4005-4012,2016

20) Wang Kui, Xu Lie, Zheng Zedong, Li Yongdong. 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, 2015

21) Gu Chunyang, Zheng Zedong, Xu Lie, Wang Kui, Li Yongdong. Modeling and Control of a Multiport Power Electronic Transformer (PET) for Electric Traction Applications Power Electronics. IEEE Transactions on Power Electronics, PP 99 1-1,2015

22) Chunyang Gu, Harish. S. Krishnamoorthy, Prasad. N. Enjeti, Zedong Zheng and Yongdong Li, Medium-Voltage Matrix Converter Topology for Wind Power Conversion with Medium Frequency Transformer. Journal of Power Electronics, Vol. 14, No. 6, pp. 1166-1177, Nov. 2014

23) Zedong Zheng, Zhigang Gao, Chunyang Gu, Lie Xu, Kui Wang, Yongdong Li. Stability and voltage balance control of a modular converter with multiwinding High-Frequency transformer. IEEE Trans. Power Electronics, Vol. 29, No. 8, pp. 4183-4194, Aug. 2014

24) Zheng Zhixue, Pera Marie-Cecile, Hissel Daniel, Becherif Mohamed, Agbli Krehi-Serge, Li Yongdong. A double-fuzzy diagnostic methodology dedicated to online fault diagnosis of proton exchange membrane fuel cell stacks. Journal of Power Sources, Vol.271, pp570-581, 2014/12/20.

25) Yuan Xibo, Li Yongdong. Control of variable pitch and variable speed direct-drive wind turbines in weak grid systems with active power balance. IET Renewable Power Generation, 8(2), pp 119-131, 2014

26) Gao Congzhe, Jiang Xinjian, Li Yongdong, Chen Zhe, Liu Jingyun. A DC-Link Voltage Self- Balance Method for a Diode-Clamped Modular Multilevel Converter With Minimum Number of Voltage Sensors. IEEE Transactions on Power Electronics, 28(5), pp 2125-2139, 2013/5

27) Xu Lie, Li Yongdong, Zheng Zedong, Ma Hongwei, Wang Kui. A Multi-Level Inverter for Ultra High Speed PM Motor Control Application. Przeglad Elektrotechniczny, 88(5B), pp 11-16, 2012.

28) Zhu Hao, Xiao Xi, Li Yongdong. Torque Ripple Reduction of the Torque Predictive Control Scheme for Permanent-Magnet Synchronous Motors. IEEE Transactions on Industry Electronics, 59(2), pp 212-219, 2012/2

29) Xu Lie, Patrick Wheeler, Li Yongdong. Capacitor Clamped Multilevel Matrix Converter Space Vector Modulation. IEEE Transactions on Industrial Electronics, 59(1), pp 105-115, 2012/1.

30) Zhu Hao, Xiao Xi, Li Yongdong. Torque Ripple Reduction of the Torque Predictive Control Scheme for Permanent-Magnet Synchronous Motors. IEEE Transactions on Industrial Electronics, 59(2), pp 871-877, 2012/2.

31) Yuan Xibo, Chai Jianyun, Li Yongdong. A Transformer-Less High-Power Converter for Large Permanent Magnet Wind Generator Systems. IEEE Transactions on Sustainable Energy, 3(3), pp 318-329, 2012/7

32) Zheng Zedong, Li Yongdong, Fadel Maurice. Novel Position Controller for PMSM Based on State Feedback and Load Torque Feed-Forward. Journal of Power Electronics, 11(2), pp 140-147, 2011/3.

33) Yuan Xibo, Chai Jianyun, Li Yongdong. A Converter-Based Starting Method and Speed Control of Doubly Fed Induction Machine With Centrifugal Loads. IEEE Transactions on Industry Applications, 47(3), pp 1409-1418, 2011/6 MAY-JUN

34) Xibo Yuan, Yongdong Li, Chenchen Wang. Objective Optimization for Multilevel Neutral-Point- Clamped Converters with Zero-Sequence Signal Control. IET Journal on Power Electronics, Vol.3, Iss. 5, pp755-763, Spet.2010

35) Xibo Yuan, Fred Wang, Dushan Borojevich, Yongdong Li, Rolando Burgos. Dc-link Voltage Control of Full Power Converter for Wind Generator Operating in Weak Grid Systems. IEEE Transactions on Power Electronics, Vol.24, no.9, pp.2178-2192, Sept. 2009

(5) Selected International Conference Papers Since 2010

1) Han Yang, Lu Haifeng, Li Zhaotao, Li Yongdong and Chai Jianyun. Analysis and Suppression of Common Mode Voltage for SiC Inverters in Electric Vehicle Applications. 2018 International Conference on Electrical Machines and Systems (ICEMS). Oct. 2018.Jeju, Korea

2) Huang Songtao, Guo Yougui, Deng Wenlang, Guo Yu, Xu Lie, Li Yongdong. Research on Common Mode Voltage Suppression of Three-phase Four-bridge Matrix Converter Considering Unbalance Inductance. APEC 2018. SAN Antonio, TEXAS. 2018.03.04-08.

3) Xu Hanwei, Xu Lie, Li Yongdong. Research on Space Vector Modulation and Common Mode Voltage of Four-leg Matrix Converter. MEA 2017. Beijing. 2017.11.08-09

4) Liu Ran, Kang Yuanli, back hikotoshi, Xu Lie, Li Yongdong. A Novel Decoupled TAB Converter with Energy Storage System for HVDC Power System of More Electric Aircraft. MEA 2017. Beijing.. 2017.11.08-09.

5) Liu Ran, Kang Yuanli, back hikotoshi, Xu Lie, Li Yongdong. 230VAC/28VDC High-Power-Density Power Supply for More Electric Aircraft. MEA 2017. Beijing. 2017.11.08-09.

6) Huang Songtao, Deng Wenlang, Guo Yougui, Xu Lie, Li Yongdong. Research on Three-phase Four-leg Matrix Converter Based More Electric Aircraft Wing Ice Protection System. MEA 2017. Beijing. 2017.11.08-09.

7) Meiqi Wang, Chris Grada, He Zhang, Lie Xu, Kui Wang, Zedong Zheng, Yongdong Li. Hardware-in-the-Loop Real-time Platform for More Electric Aircraft. MEA 2017.Beijing. 2017.11.08-09.

8) Feipeng Liu, Yuanli Kang, Zhiyong Wu, Lie Xu, Yongdong Li. Permanent Magnet Synchronous Machine Starter /Generators based High-Voltage DC Parallel Electric Power System for the More Electric Aircraft. MEA 2017. Beijing. 2017.11.08-09

9) Feipeng Liu, Peiyi Zhou, Lie Xu, Kui Wang, Yongdong Li. Common-Mode Voltage Reduction for Five-Level ANPC Converter by Phase-Shifted PWM Strategy. MEA 2017. Beijing. 2017.11.08-09

10) Chunyang Gu, Zedong Zheng, Li Yongdong. General modulation optimization methods of dual-active-bridge (DAB) converters. IEEE IECON 2017.Beijing, China.29 Oct.-1 Nov. 2017

11) Wang Zhi guo, Zheng Zedong, Li Yongdong. Predictive current control for induction motor using online optimization algorithm with constrains. Energy Conversion Congress and Exposition (ECCE), 2017 IEEE. Cincinnati, OH, USA. 2017.10.1-2017.10.5

12) Fan Boran, Wang Kui, Xu Lie, Zedong Zheng, Yongdong Li. A new modulation method for a five-level hybrid-clamped inverter with reduced flying capacitor size. 2017 IEEE Energy Conversion Congress and Exposition (ECCE). U.S.A. 2017.10.1-5

13) Li Guibin, Zheng Zedong, Li Yongdong. Multi-mode SHEPWM with low switch frequency for traction application. IEEE ECCE-Europe, EPE 2017. Warsaw, Poland. 11-14 Sept. 2017

14) Liu Jiye, Wang You, Zhong Peng, Zheng Zedong, Li Yongdong. Comparison of two gate drivers for SiC MOSFETs on switching performance and over current protection. ICEMS 2017(The 20th International Conference on Electrical Machines and Systems). Sydney, NSW, Australia. 2017.8.11-2017.8.14

15) Wang You, Zheng Zedong, Li Yongdong. PET applicable to 3-phase medium-voltage AC grid with DC bus self-balancing capacity. ICEMS 2017(The 20th International Conference on Electrical Machines and Systems). Sydney, NSW, Australia. 2017.8.11-2017.8.14

16) Sun Jiawei, Zheng Zedong, Li Yongdong. MRAS Based Parameter Identification and Integration on Deadbeat-Direct Torque and Flux Control. ICEMS 2017(The 20th International Conference on Electrical Machines and Systems). Sydney, NSW, Australia. 2017.8.11-2017.8.14

17) Peng Zhong, Zheng Zedong, Li Yongdong. Sensorless fault-tolerant control of multiphase induction machine using virtual winding and adaptive observer. 2017 IEEE International Transportation Electrification Conference and Expo AsiaPacific (ITEC Asia-Pacific). Harbin. 2017.8.7-2017.8.10

18) Huang Songtao, Guo Yougui, Xu Lie, Li Yongdong. Voltage Reduction for Three-Phase-to-Four-Leg Direct Matrix Converter with a Novel Control Strategy. ITEC Asia-Pacific 2017. Harbin. 2017.08.02-05.

19) Peng Zhong, Zheng Zedong, Li Yongdong. Fault-tolerant control of multiphase induction machine drives based on virtual winding method. 2017 IEEE Transportation Electrification Conference and Expo (ITEC). Chicago. 2017.6.21-2017.6.24

20) Peng Zhong, Zheng Zedong, Li Yongdong. Sensorless vector control of multiphase induction machine based on full order observer and harmonic suppression. 2017 IEEE 3rd International Future Energy Electronics Conference (IFEEC 2017 - ECCE Asia). Kaohsiung, Taiwan. 2017.6.3-2017.6.7

21) Shien, Wang, Zheng Zedong, Li Yongdong. A Modular DC Solid State Transformer for Future Onboard DC Grid. ESARS2016.France, 2016.11.

22) Shien, Wang, Zheng Zedong, Li Yongdong. A Modular DC Solid State Transformer for Future Onboard DC Grid. ESARS2016, France,2016

23) Kui Wang, Yongdong Li. A Symmetrical Hybrid Nine-Level Inverter for High Speed Open-Winding Motor Drive System. ECCE 2016, Milwaukee, WI, USA,2016

24) Kui Wang, Yongdong Li. Efficiency evaluation of a four-level hybrid-clamped inverter with SiC MOSFETs. IPEMC-ECCE Asia.,Hefei,2016

25) Chao Wang, Kui Wang, Yongdong Li. An envelope tracking power amplifier based on GaN HEMTs. IPEMC-ECCE Asia.,Hefei,2016

26) Shien, Wang, Zheng Zedong, Li Yongdong. Capacitor design optimization and power balance control for LLC resonant converter based power electronic traction transformer. EPE2016, Germany,2016

27) Guibin, Li, Zheng Zedong, Li Yongdong. Synchronous SVPWM over-modulation method based on zero-sequence voltage injection in locomotive traction. EPE2016, Germany,2016

28) Fan Boran, Wang Kui, Xu Lie, Zedong Zheng, Yongdong Li. A Capacitor Voltage Balancing Strategy for a Five- Level Hybrid-Clamped Inverter. The 41st Annual Conference of the IEEE Industrial Electronics Society (IECON2015). Yokohama, pp801-806 , 2015/11/9-12

29) Fan Boran, Wang Kui, Xu Lie, Zedong Zheng, Yongdong Li. A Branch Energy Control Method Based on Optimized Neutral-Point Voltage Injection for a Hexagonal Modular Multilevel Direct Converter (Hexverter).The 18th International Conference on Electrical Machines and Systems (ICEMS). Pattaya in Thailand City. pp1-8, 2015/10/25-28.

30) Fan Boran, Wang Kui, Xu Lie, Zedong Zheng, Yongdong Li. A Common-Mode Voltage Reduction Method for a Back-to-Back Four-level Hybrid-Clamped Converter. the 18th International Conference on Electrical Machines and Systems (ICEMS). Pattaya in Thailand City.pp1-8, 2015/10/25-28.

31) Xu Lie, Wang Kui, Zedong Zheng, Yongdong Li. Multi-objective optimization control of a four-level hybrid-clamped inverter. IEEE Energy Conversion Congress and Exposition (ECCE). Montreal. pp1611-1616,2015/9/20-24

32) Fan Boran, Wang Kui, Xu Lie, Zedong Zheng, Yongdong Li. Module-capacitor voltage fluctuation optimization control for an alternate arm converter. IEEE Energy Conversion Congress and Exposition (ECCE),Canada, pp 3326-3330,2015/9/20-24

33) Ling Peng, Chang Fengqi, Zheng Zedong, Li Yongdong. A two-level SOC balance strategy for a novel hybrid energy storage topology. EPE 2015. Geneva. 2015.8

34) Xu Lie, Wang Kui, Zedong Zheng, Yongdong Li. Two Novel Hybrid-Clamped Multilevel Converters for Medium-Voltage Direct-Driven Wind Turbines. International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management (PCIM Asia 2015).ShangHai, pp171-178 ,2015/6/24-26

35) Gu Chunyang, Zheng Zedong, Li Yongdong. Control strategies of a multiport power electronic transformer (PET) for DC distribution applications. ESTS 2015.New York, USA, 2015.6

36) Gu Chunyang, Zheng Zedong, Li Yongdong. A power electronic transformer (PET) with multiport bidirectional resonant DC-DC converters for electric traction applications. ITEC 2015. Michigan, USA, 2015.6

37) Scott D. Sudhoff, Zicheng Liu, Zedong Zheng, Li Yongdong. Fuzzy Logic Vector Control Design for Fault-tolerant Control of A 15-phase Induction Machine. ESARS 2015. Aachen, 2015.3

38) Zicheng Liu, Ling Peng, Boran Fan, Zedong Zheng, Yongdong Li. A Carrier-based PWM method with Zero-sequence Current Elimination for Multiphase Double-end Winding Drives. ICEMS 2015. Thailand, 2015.1

39) Li Yao, Xu Lie, Li Yongdong. A novel modulation with voltage balancing control for a modular matrix converter. ICEMS.EI. 2015.

40) Sun K, Shi Y, Huang L, Li Y, Xiao X. A 2-D fuzzy logic based MRAS scheme for sensorless control of interior permanent magnet synchronous motor drives with cyclic fluctuating loads, 29th Annual IEEE Applied Power Electronics Conference and Exposition(APEC), 2014, p2475-2481

41) Qiu Lin, Xu Lie, Li Yongdong. Low THD Modulation strategy for Matrix & Multi-level matrix converter based on modified DVM. 17th International Conference on Electrical Machines and Systems (ICEMS2014), Hangzhou China 2014/10/22-10/25

42) Ling Peng, Zicheng Liu, Zedong Zheng, Li Yongdong. Parameter Identification of Nine-Phase Induction Machines with Concentrated Windings. ICEMS. Hangzhou, 2014.9

43) Chunyang Gu, Zedong Zheng, Li Yongdong. Power Characteristics of Isolation Units in a Novel Power Electronic Transformer (PET) for Locomotive Traction Applications. ICEMS. Hangzhou, 2014.9

44) Chang Fengqi, Zheng Zedong, Li Yongdong. PWM Strategy of a Novel Cascaded Multi-level Converter for Battery Management. ICEMS. Hangzhou, 2014.9

45) Chunyang Gu, Zedong Zheng, Li Yongdong. Control strategy of a multi-level converter with multi-winding MFT/HFT isolation. ECCE.USA, 2014.9

46) Xu Lie, Wang Kui, Zedong Zheng and Yongdong Li. A new five-level hybrid-clamped converter with reduced number of clamping devices. IEEE Energy Conversion Congress and Exposition (ECCE), pp2127-2132, USA 2014/9/14

47) Qiu Lin, Xu Lie, Li Yongdong. Control of AC-capacitor clamped three & five level matrix converter using voltage & current modulation. IEEE Energy Conversion Congress and Exposition (ECCE), Atlanta USA 2014/9/14-9/18

48) Qiu Lin, Xu Lie, Li Yongdong. Low THD Modulation strategy for Matrix & Multi-level matrix converter based on modified DVM. 17th International Conference on Electrical Machines and Systems (ICEMS2014), Hangzhou China 2014/10/22-10/25

49) Qiu Lin, Xu Lie, Li Yongdong. Voltage balancing control of AC-capacitor clamped multi-level matrix converter based on optimal switching status selection. European Power Electronics and Applications (EPE'14-ECCE Europe), Lappente Finland 2014/8/16-8/18

50) Chen Ningning, Zheng Zedong, Zhou Jun, Li Yongdong, Wang Kui. A novel MPC flux weakening method for induction motor applied in electric wheel. 2013 International Conference on Electrical Machines and Systems (ICEMS), Busan Korea 26-29 Oct. 2013

51) Wang Kui, Zheng Zedong, Li Yongdong, Xu Lie, Ma Hongwei. Multi-objective Optimization PWM Control for a Back-to-back Five-level ANPC Converter. IEEE Energy Conversion Congress and Exposition (ECCE), pp 3514-3519, Raleigh, NC, 2012.

52) Wang Kui, Li Yongdong, Zheng Zedong, Xu Lie. A Novel Hybrid-Clamped Four-level Converter. 27th Annual IEEE Applied Power Electronics Conference and Exposition (APEC), 2012/2/5-2/9, pp 2442-2447, Orlando, FL, USA 2012.

53) Zheng Zedong, Gao Zhigang, Li Yongdong, Gu Chunyang, Xu Lie. A new multilevel converter with multi-winding medium-frequency transformer. 2011 14th European Conference on Power Electronics and Applications, EPE 2011, 2011/8/30-9/1, Birmingham, United kingdom, 2011

54) Bo Dong, Yongdong Li, Zhixue Zheng. Control Strategies of DC-Bus Voltage in Islanded Operation of Microgrid. 2011 4th International Conference on Electric Utility Deregulation and Restructuring and Power Technologies(DRPT 2011), 2011/1/1, Weihai China, 2011

55) Zheng Zedong, Gao Zhigang, Li Yongdong, Gu Chunyang, Xu Lie. A new multilevel converter with multi-winding medium-frequency transformer. 2011 14th European Conference on Power Electronics and Applications, EPE 2011, 2011/8/30-9/1, Birmingham, United kingdom, 2011.

56) Dong Bo, Li Yongdong, Zheng Zhixue. Composite converter of hybrid storage in distributed renewable energy generation system. International Conference on Electrical Machines and Systems, ICEMS 2011, 2011/8/20-8/23, Beijing, China, 2011.

57) Dong Bo,Li Yongdong Han Yehui. A new architecture for battery charge equalization. 3rd Annual IEEE Energy Conversion Congress and Exposition, ECCE 2011, 2011/9/17-9/22, pp 928-934, Phoenix, AZ, United states, 2011.

58) Shi Yuchao, Sun Kai, Huang Lipei, Li Yongdong. Control Strategy of High Performance IPMSM Drive in Wide Speed Range. ICELIE/IES Industry Forum/37th Annual Conference of the IEEE Industrial-Electronics-Society (IECON), 2011/11/7-11/10, pp 1783-1788, Melbourne, Australia, 2011.

59) Wang Kui, Li Yongdong, Zheng Zedong, Xu Lie. Voltage Fluctuation Suppression Method of Floating Capacitors in a New Modular Multilevel Converter. IEEE Energy Conversion Congress and Exposition (ECCE), 2011/9/17-2011/9/22, pp 2072-2078, Phoenix, AR, USA 2011.

60) Zhixue Zheng, Xiaoyu Wang, Yongdong Li. A control method for grid-friendly photovoltaic systems with hybrid energy storage units. 2011 4th International Conference on Electric Utility Deregulation and Restructuring and Power Technologies (DRPT), Weihai, Shandong, 6-9 July 2011

61) Tao Xinghua, Li Yongdong, Sun Min. A Pi-based control scheme for primary cascaded H-bridge rectifier in transformerless traction converters. 2010 International Conference on Electrical Machines and Systems (ICEMS), Incheon Korea,10-13 Oct. 2010 Predictive Current Control for Three Phase Induction Machine Using Multi-Steps Prediction Horizon

(6) Selected Chinese Journal Papers Since 2010

1) Wang Zhiguo, Zheng Zedong, Li Yongdong, Li Guibin. Predictive Current Control for Three Phase Induction Machine Using Multi-Steps Prediction Horizon. Transactions of China Electrotechnical Society, No. 09, pp1975-1984,2018,

2) Li Guibin, Li Yongdong, Zheng Zedong, Peng Zhong and Liu Zicheng. Realization of uniform SVPWM modulation and speed sensorless control for multiphase motors. Electric Machines and Control, No. 01, pp61-71, 2018

3) Tang Mengting, Wang Weiqing, Li Yongdong and Li Guibin. Coordinated Operation Control Strategy of Power Fluctuation in AC/DC Hybrid Distribution System. High Voltage Technology, No. 02, pp664-672, 2018

4) Wang Kui, Zheng Zedong, Xu Lie, Li Yongdong. The Topologies and Control of Hybrid-Clamped Four-Level and Five-Level Inverters. Transactions of China Electrotechnical Society, No.02, pp353-360, 2018,

5) Li Yao, Xu Lie and Li Yongdong. Topology Connecting Strategy of the Modular Multilevel Matrix Converter for Optimal Switching Times. Transactions of China Electrotechnical Society, No.02, pp342-352, 2018

6) Li Guibin, Li Yongdong, Zheng Zedong, Tang Mengting, Wang Weiqing. Application of Improved Synchronous SVM Over-modulation in Locomotive Traction Permanent Magnet Synchronous Motor. High Voltage Technology, No.05, pp1627-1634,2018

7) Wang Shien, Zheng Zedong, Li Yongdong. Frequency Domain Analysis of Dual Active Bridge DC-DC Converter with Series Resonant. High power converter technology, No. 4, 2017

8) Wang You, Zheng Zedong, Li Yongdong. Review of topology and control application of medium and high voltage power electronic transformer. Advanced Technology of Electrical Engineering and Energy, No. 5, 2017

9) Sun Jiawei, Zheng Zedong, Li Yongdong. Parameter Identification Based on MRAS Deadbeat-direct Torque and Flux Control. Electrical Drive, 2017

10) Liu Xianzhuo, Zheng Zedong, Li Yongdong. Multi-port Energy Router with Power Electronic Transformer. Electrical Drive, 04, 2016

11) Chang Fengqi, Zheng Zedong, Li Yongdong. A Novel Hybrid Energy Storage Topology and its Power Sharing Algorithm. Transactions of China Electrotechnical Society, 30 (12), pp128-135, 2015

12) Xie Yongliu, Li Yongdong, Cheng Zhijiang, Hua Dong, Zhao Fanghua, Gao Long. Research on Improved PR Control Strategy for Three- Phase-Grid Connected Inverter Based on LCL Filter. Electrical Measurement & Instrumentation, v51, n21, P74-78, November 10, 2014.

13) WU Xiaokun, Wang,kui, Wan Lei, Zheng Zedong, Li Yongdong. Simulation and Comparative Study of Three Modulation Strategies and Voltage Balance Control in Modular Multilevel Converter. Advanced Technology of Electrical Engineering and Energy v33, n12 , p4-8, Dec, 2014

14) Qiu Lin, Xu Lie, Zheng Zedong, Li Yongdong, Zheng Zhixue. Control Method of Microgrid Seamless Switching. Transactions of China Electrotechnical Society. v29, n2, P171-176, February, 2014

15) Wang Kui, Zheng Zedong, Li Yongdong, Feng Jianghua, Liu Kean. Vector Control System for Induction Motors Based on Five-Level Active Neutral-Point-Clamped Dual-PWM Converter. Transactions of China Electrotechnical Society. v.29, n2, p247-p252, February,2014

16) Xu Lie, ZHANG Qi, Li Yong-dong, DANG Ke. Research on the HEV based power converter. Electrical Machines and Control . v18, n1, p98-104, January, 2014

17) Qiu lin, Xu lie, Li Yongdong. Topology and Control for Flying-Capacitor Clamped Multi-level Matrix Converter. Automation of Electric Power Systems. v38, n8, p78-83, April, 2014

18) Liu Zicheng, Zheng Zedong, Peng Ling, Li Yongdong. Fixed Joint Double Fifteen-Phase Induction Motor Control and Fault-Tolerant Control in Ship Propulsion System. Transactions of China Electrotechnical Society. v29, n3, p65-74, March, 2014

19) Zheng Zedong, Chen Ningning, Li Yongdong. A Novel Flux Weakening Method for Induction Motors Based on Model Predictive Control. Transactions of China Electrotechnical Society. V3, p23-27, Mar. 2014

20) Wang Kui, Zheng Zedong, Li Yongdong. Multi-purpose Optimal Control Strategy of a Five-Level Active Neutral-Point Clamped Inverter Based on Zero-Sequence Voltage Injection. Transactions of China Electrotechnical Society. V29, n6, p129-135, June, 2014.

21) Gu Chunyang, Li Yongdong, Zheng Zedong, Gao Zhigang. Resaerch on a High Frequency Multi-winding Transformer Isolated Multilevel Converter. Transactions of China Electrotechnical Society. v29, n8, pp97-102, Aug, 2014.

22) Zheng Zedong, Gu Chunyang, Li Yongdong, Gao Zhigang. Topology and Control Method of a Novel Multi-Level Converter with Multi-winding High-Frequency Transformer. Transactions of China Electrotechnical Society. v29, n10, p12-18, Oct, 2014.

23) MA Hongwei, Xu lie, Li Yongdong. Direct virtual power control of doubly Fed Introduction Generators for Grid Connection. Proceedings of the CSEE, v33, n3, p99-105, Jan, 2013.

24) FIRAS Obeidat , Xu Lie, LI Yong-dong. Grid- connected multilevel topology for HVDC offshore wind farm. Electrical Machines and Control, v17,n2, p7-13 Feb, 2013

25) MA Hongwei, Li Yongdong, Xu Lie. Control strategy of DFIG under unbalanced grid voltage condition. Electric Power Automation Equipment , v33, n7, p12-18, July, 2013

62) Gao Zhigang, Dong lei, Li Yongdong, Zheng Zedong. Research on Back to Back Cascaded H-Bridge Converter Based on High Frequency Transformer. Transactions of China Electrotechnical Society. v28, n6, p133-138, Jun,2013

63) Shi Yuchao, Sun kai, Guo Yan, Jiang Xiaohua, Huang Lipei, Li Yongdong. An Improved Rotor Speed Estimation Method of IPMSM Drives with Fluctuating Load. Transactions of China Electrotechnical Society. v28, n7, p96-102, July,2013 .

64) Chang Fengqi, Li Yongdong, Zheng Zedong. The grid connection strategy of a novel battery energy storage topology. Electric Drive S1, P98-102,2013

65) Cheng Ningning, Zheng Zedong, Li Yongdong. Flux Weakening Controller for Induction Motor Based on Model Predictive Control. Electric Drive, p23-27,S1, 2013

66) MA Hongwei, Li Yongdong, Zheng Zedong, XU Lie. Model Predictive Control of PWM Rectifier Electric Power Automation Equipment. v33, n11, p21-25, Nov, 2013 .

67) Gu Chunyang, Zheng Zedong, Li Yongdong. A Novel Voltage Balancing Method of Cascaded H-Bridge Rectifiers for Locomotive Traction Applications. Transactions of China Electrotechnical Society. v28, n12, p168-181, Dec, 2013 .

68) Zheng Zedong, Wang Kui, Li Yongdong, MA Hongwei. Current Controller for AC Motors Using Model Predictive Control. Transactions of China Electrotechnical Society. v28, n11, p118-123, Nov, 2013 .

69) Wang kui, Zheng zedong, Li Yongdong. Neutral-point Potential Balancing Problem of Five-level Active Neutral-point-clamped Inverter. Proceedings of the CSEE, v32, n3, p30-35, Jan,2012.

70) Dong Bo, Li Yongdong, Zheng Zhixue. Energy management of hybrid storage in distributed generation system. Advanced Techology of Electrial Engineering, v31,n1, P22-25, Jan,2012.

71) Tao Xinghua, Li Yongdong, Song Yichao, Shi Lei. Improved DC-link voltage Balancing Method for cascaded H-bridge Rectifier. High Voltage Engineering v38, n2, P505-512, Feb,2012

72) Wang Jian, Li Yongdong. Proportional-Integral-resonant Control of PWM Rectifiers in Four-quadrant H-bridge Cells. Electric Drive, v42, n1, P22-25, 2012

73) Gao Congzhe, Jiang Xinjian, Li Yongdong, Chen Junling. Cascade active power Filter based on ZVS DC-link clamping circuit and hierarchical control for medium voltage applications. Tsinghua Univ.(Sci & Tech), v52, n3, P367-373, 2012.

74) Dong Bo, Li Yongdong. Quick battery equalization based on the state of charge. Tsinghua Univ. (Sci & Tech). v52, n3, P374-379, 2012

75) Gao Congzhe, JiangXinjian, Li Yongdong. A Universal Compensation Control Scheme Based On Cascade Active Power Filter and Static Var Compensator. Automation of Electric Power Systems. V36, n7, p92-98, April, 2012.

76) Tao Xinghua, Li Yongdong, Sun min, Fang Xiaomin. A Novel Single-Phase Locked Loop Algorithm Based on Synchronous Reference Frame. Transactions of China Electrotechnical Society, v27, n6, p147-152, Jun, 2012.

77) Gao Congzhe, JiangXinjian, Li Yongdong. A Novel Voltage Self-balance Diode-clamped Cascaded Multilevel Active Power Filter. Automation of Electric Power systems, v36, n12, p94-100, June, 2012.

78) Fang Xuan, Li Yongdong, Xu lie, Wang kui. Research on a Novel Multilevel Matrix Converter Topology and Modulation Strategy. Electric Drive, v42, n8 p34-38, 2012.

79) Shi Yuchao, Sun kai, Huang Lipei, Li Yongdong. Control of interior permanent magnet synchronous motor drives over a wide speed range. Tsinghua Univ.(Sci & Tech), v52, n11, P1565-1570, 2012

80) Wang Chenchen, Li Yongdong. Multilevel Converter Topologies and Two Novel Topologies. Transactions of China Electrotechnical Society, v26, n1, p92-99, Jan, 2011..

81) Sun Binghai, Li Yongdong, Wang jian. Quadrant Cascaded Multilevel Converter and Rectifier Control. Electric Drive, v41, n3, P19-23, 2011

82) Wang kui, Zheng zedong, Li Yongdong. A Five-Level PWM Rectifier Based on New Modular Multilevel Converter. Transactions of China Electrotechnical Society, v26, n5, p34-38, 2011..

83) Gao Zhigang, Zheng Zedong, Li Yongdong. Analysis of Novel Multi-level High Voltage Converter with PBC. High Voltage Engineering, v37, n5, P1268-1273, May, 2011

84) Tao Xinghua, Li Yongdong, Sun min. Voltage Balancing Control Algorithm for cascaded H-bridge rectifier based on active power feedback. Tsinghua Univ.(Sci & Tech) , v51, n7, P903-908, 2011

85) Gao Zhigang, Li Yongdong. Operating strategy of hybrid cascaded converters. Electric Power Automation Equipment, v31, n7, P52-55, July,2011

86) Wang kui, Zheng zedong, Li Yongdong. Voltage balancing control for multilevel converter. Tsinghua Univ.(Sci & Tech), v51, n7, P909-913, 2011

87) Sun Binghai, Wangjian, Li Yongdong. PWM Rectifier Control for Regenerative Cascade Inverter and Its Harmonic Analysis. Transactions of China Electrotechnical Society, v26, n7, p210-215, July, 2011

88) Tao Xinghua, Li Yongdong, Sun min. A Novel DC-Link Voltages Balancing Control Method for Cascaded H-Bridge Rectifier. Transactions of China Electrotechnical Society, v26, n8, p85-90, Aug, 2011

89) Wang kui, Zheng zedong, Li Yongdong. A Novel Transformerless Cascaded Multilevel Converter Topology. Transactions of China Electrotechnical Society, v26, n8, p1-6, Aug, 2011

90) Wang kui, Zheng zedong, Li Yongdong. Voltage Ripple Principle and Restrain Method of Floating Capacitors in a New Modular Multilevel Converter. Transactions of China Electrotechnical Society, v26, n5, p8-14, May,2011

91) Dong Bo, Li Yongdong. Review on Battery Charge Equalization. Journal of Power Supply, v5, p32-36, Sept, 2011

92) Zheng Yanwen, Yuan Guofeng, Chai Jianyun, Li,Yongdong. High Power Doubly fed back-to-back drive test system. Tsinghua Univ.(Sci & Tech), v50, n1, P27-30, 2011

93) Rao Jianye, Li Yongdong. Hybrid Multilevel inverter topology and control system for motor drives. Tsinghua Univ.(Sci & Tech) , v50, n1, p35-39,2010

94) Zheng zedong, Li Yongdong, Xiao xi, Maurice Fadel. Load Torque Observer of Permanent Magnet Synchronous Motor. Transactions of China Electrotechnical Society,v25, n2, p30-36 ,Feb, 2010

95) Zheng zedong, Li Yongdong, Maurice Fadel. Application of High Frequency Signal Injection Method in Motor Control Using Kalman Filter for Signal Processing. Transactions of China Electrotechnical Society, v25, n2, p30-36 ,Feb, 2010

96) Zhang Xuning, Zheng zedong, Li Yongdong. Sensorless Vector Control System for Locomotives of Mines. Electric Drive, v40, n4, p15-19, 2010

97) Dong Bo, Li Yongdong, Wang kui, Gao Zhigang, Sun min. Design and Research of Solar Array Simulator. Chinese Journal of Power Sources, v34, n5, p460-463, May, 2010

98) Yuan Xibo, Li Yongdong, Wang Fred. Two Fault Detection and Protection Methods for Three-Level Neutral-Point-Clamped Converters. Transactions of China Electrotechnical Society, v25, n6, p70-76, June, 2010

99) Zhu Hao, Xiao xi, Li Yongdong. Stator Flux Con trol Scheme for Permanent Magnet Synchronous Motor Torque Predictive Control. Proceedings of the CSEE, v30, n21, p86-90, July, 2010

100) Li Yongdong, Wang jian, Sun Binghai. A Novel Control Strategy for the Rectifier in Cascaded Multilevel Converter. Power Electronics, v3, p24-28, 2010

101) Gao Zhigang, Li Yongdong. A Novel PWM Model for Cascaded H-bridge Converters. Proceedings of the CSEE, v30, n27, p96-101, Sept,2010

102) Li Yongdong, Rao Jianye, Gao Yue. A Novel Diode Clamped Five-Level Inverter Topology With the Inner Loop DC-Bus Clamped. Transactions of China Electrotechnical Society, v25, n11, p100-106, Nov,2010

103) Gao Zhigang, Li Yongdong. Modulation method model and optimization for cascaded H-bridge converters. Electric Power Automation Equipment, v30, n10, p12-16, Oct,2010

104) Peng ling, Li Yongdong. Improved Vector Control Strategy of DFIG During Voltage Dips. Electric Drive, v40, n11, p12-16, 2010

105) Zhu Hao, Xiao xi, Li Yongdong. Reliable starting of high frequency injection permanent magnet synchronous motor control. Tsinghua Univ.(Sci & Tech) ,v50, n10, p1637-1645, 2010

(7) Authorized Patents

1) Haifeng Lu, Yang Han, Jianyun Chai, Yongdong Li. Optimized Silicon Carbide MOSFET Waveform Open - Loop Drive Circuit. Chinese Patent of Invention, Publication No: ZL2018202976553, 2018.03

2) Yongdong Li, Kui Wang, Zedong Zheng.A Multiphase Motor Driving System. Chinese Patent of Invention, Publication No: ZL2016107185154, 2016.08

3) Kui Wang, Yongdong Li. A Four-level Hybrid Clamped Converter. Chinese Patent of Invention, Publication No: ZL20110146436.8, 2013.11.

4) Yongdong Li, Jianyun Chai, Xinghua Tao. A Cascaded Multiphase Converter. Chinese Patent of Invention, Publication No: ZL200910082692.8, 2011.08.

5) Yongdong Li, Kui Wang, Zedong Zheng. A Cascaded Multilevel Converter. Chinese Patent of Invention, Publication No: ZL200920105556.1, 2010.06.

6) Yongdong Li, Mingai Li, Zhuohui Tan. Voltage Source Multilevel Converter with Stack Cell. Chinese Patent of Invention, Publication No: ZL03145955.2, 2009.12.

7) Yongdong Li, Jianye Rao. Multi-Level Variable Speed Drives with Energy Storage. Chinese Patent of Invention, Publication No: ZL200710063490X, 2009.07.

8) Yongdong Li, Yue Gao, Jianye Rao. Five-Level Variable Speed Drives with Double Clamping Rectifier. Chinese Patent of Invention, Publication No: ZL200710062642.4, 2009.07.

9) Yongdong LI, Yue Gao. 3KV-10KV Medium-Voltage Multilevel 3 Phase AC Motor Variable Speed Drives. Chinese Patent of Invention, Publication No: ZL200410009469, 2006.08.

Vice-Chairman of the Power Electronics Society of China Electrical Technology Society, Vice-Chairman of the Commission on Electronic Control Systems and Devices/Director of the Academic Committee, Vice-Chairman of the Commission on Electrical Automation of China Automation Society/Director of the Academic Committee, IEEE IAS Beijing Chapter Chairman, Member of the Scientific Committee of the European International Conference on Power Electronics, Chairman of the MEA International Conference.