1. Course

(1) Undergraduates Courses

 Design and Analyze of Electronic Motor (Bilingual course). Every spring semester from 1999, for all the undergraduates of the department.

(2) Postgraduates Courses

 Power Electronics and Motor Integrated System (Bilingual course). Every autumn semester from 2001, for all the postgraduates of the department (High-quality Course for the postgraduates).

2.Graduate Advising

(1) Graduated Students

 Post-Doc (7): Yunfeng Liu (1999-2001) Wei Guo (2003-2005) Liqiang Yuan (2004-2006) Eltawil Mohamed A. (2007-2009) Ting Lu (2010-2012) Xiaoxiao Li (2011-2012) Fei Kong（2012-2014）

 Ph.D. (20): Shuo Meng (1998-2001) Liqiang Yuan (1999-2004) Libo Wu (2001-2006) Haitao Zhang (2001-2006) Hua Bai (2002-2007) Rong Yi (2003-2007) Yingchao Zhang (2004-2008) Dejia Zhou (2005-2008) Shuping Wang (2004-2008) Yulin Zhong (2005-2009) Yongchang Zhang (2004-2009) Ting Lu (2005-2010) Sideng Hu (2006-2011) Xuesong Wang (2006-2011) Fanbo He (2003-2007) Yi Lei (2007-2012) Hag Ahmed Yousif (2009-2012) Lu Yin (2009-2013) Gaoyu Zou (2009-2013) Kainan Chen(2009-2014)

 M.S. (36): Jing Qian Sheng Yang Chang Qian Xigen Zhou Hainan Wang Qiang Zhao Liqiang Yuan Kunlun Chen Xujiao Gao Xiangdong Wu Yan Xiao Shanshan Liu Libo Wu Haitao Zhang Zhi Yang Hui Guan Hua Bai Jue Qian Zhiliang Cui Yongchang Yang Dong Jiang Bo Feng Xuesong Wang Jian Gao Jian Chen Yi Lei Yi Deng Guangli Guo Chao Liu Lingyun Bai Haiying Meng Qi Tian Hao Yang Jingjing Li Guanhua Chen Feng Xue

(2) Current Graduate Students

 Post-Doc (2): Fanbo He Kainan Chen

 Ph.D. candidate (16: include army strengthening plan student, international student, joint Ph.D.): Shiqi Ji Junjie Ge Hualong Yu Sizhao Lu Yiming Zhang Junchao Ma Kai Li Fang Liu Gaohui Feng Theint Zarhtet (Myanmar) Xudong Wang Qing Gu Shusheng Wei Xing Weng Xiuxi Ye Yatao Ling

 Master candidate (3)：Yang Cao Ye Jiang Yu Sang

(3) Awards of the Students

 Yiming Zhang, IET PRIZE, 2014. Supervisor: Zhengming Zhao

 Fanbo He, Excellent Graduate of Beijing City (Ph. D), 2012. Supervisor: Zhengming Zhao

 Fanbo He, Excellent Graduate of Tsinghua University (Ph. D), 2012. Supervisor: Zhengming Zhao

 Ting Lu, Excellent Graduate of Tsinghua University (Ph. D), 2010. Supervisor: Zhengming Zhao

 Hua Bai, Excellent Graduate of Tsinghua University (Ph. D), 2007. Supervisor: Zhengming Zhao

 Jingjing Li, Excellent Graduate of Beijing City (M. S.), 2013. Supervisor: Zhengming Zhao

 Qi Tian, Excellent Graduate of Beijing City (M. S.), 2012. Supervisor: Zhengming Zhao

 Dong Jiang, Excellent Graduate of Beijing City (M. S.), 2007. Supervisor: Zhengming Zhao

 Fanbo He, Excellent Paper of Tsinghua University (Ph. D), 2012. Supervisor: Zhengming Zhao

 Sideng Hu, Excellent Paper of Tsinghua University (Ph. D), 2011. Supervisor: Zhengming Zhao

 Ting Lu, Excellent Paper of Tsinghua University (Ph. D), 2010. Supervisor: Zhengming Zhao

 Yingchao Zhang, Excellent Paper of Tsinghua University (Ph. D), 2008. Supervisor: Zhengming Zhao

 Hua Bai, Excellent Paper of Tsinghua University (Ph. D), 2007. Supervisor: Zhengming Zhao

 Libo Wu, Excellent Paper of Tsinghua University (Ph. D), 2006. Supervisor: Zhengming Zhao

 Jingjing Li, Excellent Paper of Tsinghua University (M.S.), 2013. Supervisor: Zhengming Zhao

 Qi Tian, Excellent Paper of Tsinghua University (M.S.), 2012. Supervisor: Zhengming Zhao

 Dong Jiang, Excellent Paper of Tsinghua University (M.S.), 2007. Supervisor: Zhengming Zhao

(1) Selected Academic Funds (After year 2010)

 Jan. 2015-Dec. 2019，”Multiple-Time Scales Dynamic Characteristics and Operation Mechanism of High Power Electronic Hybrid System”, Major project supported by National Science Fund, NSFC

 Feb. 2012-Dec. 2015， “Design and Industrialization Technology of Wind Turbine Unit and Its Key Components”, support Subproject of National Ministry of Science and Technology

 Aug. 2008-May 2010，”Research on High Efficiency and High Voltage Three Phase Asynchronous Motors”, support Subproject of National Ministry of Science and Technology

 Jan. 2008-Dec. 2010, “Accurate Analysis of the Parasitic Parameters of the Main Circuit for High Power Medium Voltage Converters”, supported by National Natural Science Foundation of China.

 Jan. 2008-Dec. 2011, “The systemic Theory and Key Technologies on the High-Power and High-Performance Power Electronic System”, supported by the Key Program of National Natural Science Foundation of China.

(2) Selected International Collaboration Projects (After year 2010)

 Jan. 2014-Mar. 2015, “Research on Power Electronics Energy Saving System (Second Phase)”, Fuji Electric Company

 Aug. 2013-Sep. 2014，”R&D on 10kW Isolated Type Three-phase Photovoltaic Inverter”, Omron Group

 Jul. 2013-Dec. 2013， “Research on PWM Strategies to Reduce Leakage Current (Second Phase) ” Mitsubishi Electric Corporation

 Jul. 2013-Jan. 2015，”Research on Main Circuit and Control Integration of Series Connected HV-IGBTs” Delta Environmental & Educational Foundation

 2013.04-2014.03，”Research on Power Electronics Energy Saving System”, Fuji Electric Company

 Mar. 2013-Apr. 2013，“Technology of Wireless Power Transmission”, Omron sensing control research and development (Shanghai) co., LTD

 Jul. 2012-Mar. 2013，”Design and Implementation of Three-phase V-connection Three-level PV Inverter” Omron Group

 Jun. 2012-Dec. 2014，”Education of the Theory and Application of Power Device”, Mitsubishi electric machinery (Shanghai) co., LTD

 Nov. 2011-Dec. 2012，” Research on Strategy of Pulse Width Modulation to Reduce the Leakage Current” Mitsubishi Electric Corporation (Institute of Advanced Science and Technology)

 Nov. 2010-Feb. 2012，”Research on the IGBT-based Devices in Series Three-level Conversion”, Nanjing Branch, Delta Electronics (Jiangsu) Co., Ltd.

 Jun. 2010 –Jan. 2012，”High Efficient Photovoltaic LED Lighting System”, Siemens China institute (Germany)

 Aug. 2009-Aug. 2012，”The Key Technologies of High Power Photovoltaic Grid-connection System”, Power Electronics Science and Education Development Program of Delta Environmental & Educational Foundation

(3) Selected Industry Projects (After year 2009)

 Jan. 2014 –Dec. 2015，”Research on Key Technology of Energy Router in the Energy Internet”, Beijing Electric Power Corporation, State Grid

 Jan. 2014-Jan. 2017，”Development of the key Technology and Industrialization on the Optimization control system of the Distributed Energy Electricity”, Weifan Intelligent Electric Technology Co. Ltd

 Nov. 2013- Dec. 2015，“Design and Analyze of the Hyper High Efficiency and High Pressure Asynchronous Motor”, Xiangtan Electric Machinery Co. , Ltd

 Apr. 2012-Dec. 2012，“Research on Control System of the Households Photovoltaic Grid-connected Inverter’’, Shangdong Xuguang Solar Photoelectric Co., LTD

 Feb. 2011- Dec. 2013，”Key Technologies of Grid Connection and Distribution Network Coordination of High-density Multiple Access Points Building Integrated Photovoltaic System’’, Anhui Electric Power Company

 Jul. 2011- Dec. 2012，“Optimization on the Combined Photovoltaic Grid-connected Power Station’’, Liaoning Solar Energy Research and Application co., LTD

 Sep. 2010- Sep. 2012， “Research on Control System of Four Quadrant High-Performance Frequency Converter’’, Changshu Switch Manufacturing Co., LTD

 Sep. 2010- Sep. 2012，“Research on Control System of MW Level Photovoltaic Grid-connected’’, Changshu Switch Manufacturing Co., LTD

 Sep. 2010- Dec. 2011，“Control Software Development for the Photovoltaic Inverter’’, Xiamen Maishitong Energy Technology Co., LTD

 Sep. 2009- Dec. 2010，“Prototype Development of the Two Level Inverter of 160kW and 315kW’’, Changshu Switch Manufacturing Co., LTD

 Sep. 2009- Dec. 2010， “Prototype Development of the Solar Grid-connected Photovoltaic Controller’’, Changshu Switch Manufacturing Co., LTD

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Publications and Patents

 Prof. Zhengming Zhao is the first author of 4 books. He has published more than 360 papers in which more than 30 in SCI index journals and more than 200 in EI index journals. He was awarded Outstanding Paper Award in ICEMS International Academic Conference 2014, Third Prize of Outstanding Paper Award in IEEE ECCE 2014, Outstanding Paper Award in ICEMS International Academic Conference 2011, Top 100 Outstanding Academic Papers published in Proceedings of the CSEE 2010, Best Paper Award of IEEE PEDG 2010, and Best Paper Award of China Automation Network.

(1) Books

 Zhengming Zhao, Jianzheng Liu, Xiaoying Sun, Liqiang Yuan. Solar Photovoltaic Power Generation and Its Application. Science Press. Oct. 2005

 Zhengming Zhao, Liqiang Yuan, Sheng Yang. Design and Analysis of Inverter-Driven Motors (Bilingual). China Machine Press. Aug. 2012

 Zhengming Zhao, Jian Chen, Xiaoying Sun. Maximum Power Point Tracking Technology For Photovoltaic Power Generation. Publishing House of Electronics Industry. Apr. 2012

 Zhengming Zhao, Liqiang Yuan. Integrated Analysis of Power Electronics and Motor Driven System. China Machine Press. Aug. 2009

 Zhengming Zhao (associate editor), Xiaoying Sun (participant). The Handbook for Electrical Engineer- Article 16, Chapter 3- Solar Photovoltaic Power Generation. China Publishing Press. Apr. 2008

 Liqiang Yuan, Zhengming Zhao, Gaosheng Song, Zhengyuan Wang. The Principle and Application of Power Semiconductor Devices. China Machine Press. Jan. 2011

 2001.11. Zhengyuan Wang, Lin Dai, Zhengming Zhao, Chongjian Li. Energy Efficiency and Market Potential of Electric Motor System in China. China Machine Press. Nov. 2001

(2) Book Chapter

 Zhengming Zhao (editorial board member), Liqiang Yuan (participant). Design and Application Manual for Power Electronic Equipment (the third edition) - Chapter 11 High Voltage and High Power Electronic Devices and its Installation. China Machine Press. Jan. 2009.

 Zhengming Zhao (editorial board member), Xuesong Wang (participant). Guidebook for Graduation Project (Thesis) in Colleges and Universities - The Electrician Volume - Survey and Evaluation Type Graduation Project (Thesis). The Higher Education Department of the Ministry of Education, Beijing Municipal Education Commission, Higher Education Press. Nov. 2007

 Zhengming Zhao (editorial board member). Training Book for Series of Chinese EUEEP Terminal Efficiency Project – Article 3 Motor Speed Drive System. International Copper Association (China). Oct. 2007

(3) Selected International Journal Papers Since 2010

1) L. Ting,Zhengming Zhao, Y. Hualong, J. Shiqi, Y. Liqiang, and H. Fanbo, "Parameter Design of a Three-Level Converter Based on Series-Connected HV-IGBTs," Industry Applications, IEEE Transactions on, vol. 50, pp. 3943-3954, 2014-01-01 2014.

2) L. Ting,Zhengming Zhao, J. Shiqi, Y. Hualong, and Y. Liqiang, "Active Clamping Circuit With Status Feedback for Series-Connected HV-IGBTs," Industry Applications, IEEE Transactions on, vol. 50, pp. 3579-3590, 2014-01-01 2014.

3) S. Ji, T. Lu, Zhengming Zhao, H. Yu, and L. Yuan, "Series-Connected HV -IGBTs Using Active Voltage Balancing Control with Status Feedback Circuit," in Power Electronics, IEEE Transactions on. Vol. PP, 2014, p. 1-1.

4) Z. Yiming,Zhengming Zhao and C. Kainan, "Frequency-Splitting Analysis of Four-Coil Resonant Wireless Power Transfer," Industry Applications, IEEE Transactions on, vol. 50, pp. 2436-2445, 2014-01-01 2014.

5) Yiming Zhang, Zhengming Zhao. Frequency Splitting Analysis of Two-Coil Resonant Wireless Power Transfer. Antennas and Wireless Propagation Letters, IEEE, 2014,13:400-402.（EI:20141317521451）

6) Shiqi Ji, Ting Lu, Zhengming Zhao, Hualong Yu, Liqiang Yuan, Sheng Yang, Secrest C. Physical Model Analysis During Transient for Series-Connected HVIGBTs. Power Electronics, IEEE Transactions on, 2014,29(11):5727-5737.（SCI:EI:）

7) Yiming Zhang, Zhengming Zhao, Kainan Chen. Frequency Decrease Analysis of Resonant Wireless Power Transfer. Power Electronics, IEEE Transactions on, 2014,29(3):1058-1063.（SCI:273BK;EI:20134016794767）

8) Zhang Y., Zhengming Zhao, Chen K. Frequency Splitting Analysis of Four-Coil Resonant Wireless Power Transfer. Industry Applications, IEEE Transactions on, 2013,PP(99):1.（SCI: EI:20140117154090）

9) Yin L., Zhengming Zhao, Lu T., Yang S., Zou G. An Improved DC-Link Voltage Fast Control Scheme for a PWM Rectifier-Inverter System. Industry Applications, IEEE Transactions on, 2013,PP(99):1.（SCI:297AT;EI:20140717304469）

10) Eltawil Mohamed A., Zhao Zhengming. MPPT techniques for photovoltaic applications. Renewable and Sustainable Energy Reviews, 2013,(25):793-813.（SCI:236WT;EI:20133216581243）

11) Kainan Chen, Zhengming Zhao. Analysis of the Double-Layer Printed Spiral Coil for Wireless Power Transfer. Emerging and Selected Topics in Power Electronics, IEEE Journal of, 2013, 1(2):114-121.

12) Shiqi Ji, Zhengming Zhao, Ting Lu, Liqiang Yuan, Hualong Yu. HVIGBT Physical Model Analysis during Transient. Power Electronics, IEEE Transactions on, 2013,28(5):2616-2624.（SCI:086QA;EI:20124915770141）

13) He Fanbo, Zhao Zhengming, Yuan Liqiang. Impact of inverter configuration on energy cost of grid-connected photovoltaic systems. Renewable Energy, 2012,41(5): 328-335.（SCI:902HQ;EI:20115214638511）

14) Zhao Zhengming, Zhong Yulin, Gao Hongwei, Yuan Liqiang, Lu Ting. Hybrid selective harmonic elimination PWM for common-mode voltage reduction in three-level neutral-point-clamped inverters for variable speed induction drives. IEEE Transactions on Power Electronics, 2012,27(3):1152-1158.（SCI:945GK ;EI:20120814783939）

15) Yongchang Zhang, Jianguo Zhu, Zhengming Zhao, Wei Xu, Dorrell D. G. An Improved Direct Torque Control for Three-Level Inverter-Fed Induction Motor Sensorless Drive. Power Electronics, IEEE Transactions on, 2012,27(3): 1502-1513.（SCI: 945HM; EI:20120814783971）

16) Wang Xuesong, Bai Hua, Zhao Zhengming, Yuan Liqiang. Mathematical Models of the System-Level Safe Operational Areas of Power Electronic Converters in Plug-In Hybrid Electric Vehicles. Vehicular Technology, IEEE Transactions on, 2011,60(9):4288-4298.（SCI:860JZ;EI:20115114618669）

17) Yi Lei, Zhengming Zhao, Shuping Wang, Dorrell D. G., Wei Xu. Design and Analysis of Star–Delta Hybrid Windings for High-Voltage Induction Motors. Industrial Electronics, IEEE Transactions on, 2011,58(9):3758-3767.（SCI:807SP; EI: 20113414250489）

18) Sideng Hu, Zhengming Zhao, Hua Bai, Liqiang Yuan. An Enhanced DC Preexcitation with Effective Flux-Linkage Control for the High-Power Induction Motor Drive System. Power Electronics, IEEE Transactions on, 2011, 26(9):2375 – 2380 . ( SCI:847OA; EI:20120114658749）

19) Yongchang Zhang, Zhengming Zhao, Jianguo Zhu. A Hybrid PWM Applied to High-Power Three-Level Inverter-Fed Induction-Motor Drives. Industrial Electronics, IEEE Transactions on, 2011,58(8):3409-3420.（SCI: 804WT; EI: 20112914157249）

20) Eltawil Mohamed A., Zhao Zhengming. Grid-connected photovoltaic power systems: Technical and potential problems-A review. Renewable and Sustainable Energy Reviews, 2010,14(1):112-129.（SCI:512VJ; EI:20094012363792）

(4) Selected Conference Papers Since 2010

1) T. Lu, Zhengming Zhao, Y. Zhang, L. Yuan, and F. He, "Decoupled direct power control based on improved sector selection algorithm for three-level grid connected inverter," in IEEE ICEMS 2014 Hangzhou: IEEJ-IAS， KIEE，NFSC，IAS, 2014.

2) L. Sizhao, Zhengming Zhao, Y. Liqiang, L. Ting, J. Yang, M. Mingkai, and F. C. Lee, "Modularized high frequency high power 3-level neutral point clamped PEBB cell for renewable energy system," in Energy Conversion Congress and Exposition (ECCE), 2014 IEEE, Pittsburgh, PA, 2014, pp. 2594-2599

3) T. Lu, Zhengming Zhao, Y. Zhang, L. Yuan, and F. He, " Design of voltage balancing control circuit for series connected HV-IGBTs," in IEEE ICEMS 2014 Hangzhou: 中國電工技術學會，浙江大學，IEEJ-IAS， KIEE，NFSC，IAS, 2014.

4) L. Fang, L. Ting, Zhengming Zhao, W. Shusheng, L. Kai, Y. Lu, and Y. Liqiang, "Impact of reduced common mode voltage PWM and common mode inductor on EMI characteristics of an inverter-driven motor," in General Assembly and Scientific Symposium (URSI GASS), 2014 XXXIth URSI, Beijing, 2014, pp. 1-4.

5) Y. ZHANG, T. LU and Zhengming Zhao, "Impact of source internal resistance on efficiency of four resonant wireless power transfer topologies," in IEEE ICEMS 2014 Hangzhou: 中國電工技術學會，浙江大學，IEEJ-IAS， KIEE，NFSC，IAS, 2014.

6) Z. Yiming, L. Ting and Zhengming Zhao, "Reducing the impact of source internal resistance by source coil in resonant wireless power transfer," in Energy Conversion Congress and Exposition (ECCE), 2014 IEEE, Pittsburgh, PA, 2014, pp. 845-850.

7) J. Shiqi, L. Ting, Zhengming Zhao, Y. Hualong, and Y. Liqiang, "Series-connected HV-IGBTs using active voltage control with status feedback circuit," in Energy Conversion Congress and Exposition (ECCE), 2014 IEEE, Pittsburgh, PA, 2014, pp. 710-715.

8) L. Fang, Zhengming Zhao, L. Ting, W. Shusheng, and L. Kai, "A combined PWM algorithm to eliminate spikes of common mode voltages," in Transportation Electrification Asia-Pacific (ITEC Asia-Pacific), 2014 IEEE Conference and Expo, Beijing, 2014, pp. 1-6.

9) W. Xudong, Zhengming Zhao, C. Guanhua, and H. Fanbo, "RF energy harvesting with broadband antenna," in Transportation Electrification Asia-Pacific (ITEC Asia-Pacific), 2014 IEEE Conference and Expo, Beijing, 2014, pp. 1-5.

10) S. Yu, L. Ting, Zhengming Zhao, and J. Shiqi, "Behavior model for series connected high voltage IGBTs," in Transportation Electrification Asia-Pacific (ITEC Asia-Pacific), 2014 IEEE Conference and Expo, Beijing, 2014, pp. 1-5.

11) Sizhao Lu, Zhengming Zhao, JunjieGe, Liqiang Yuan and Ting Lu, "A New Power Circuit Topology for Energy Router," The 17thInternational Conference on Electrical Machines and Systems, 2014,vol., no., pp.1921-1925.

12) Junjie Ge, Zhengming Zhao Junchao Ma. A Damping Injection Control of Isolated Bidirectional DC-DC Converters based on the Load Parameter Identification The 17th International Conference on Electrical Machines and Systems, 2014,vol., no., pp.314-317.

13) Gaohui Feng, Zhao Zhengming, Liqiang Yuan, Shiqi Ji, Jincheng Zhao.Research on HVIGBT transient mixture model and parameter extraction method. Transportation Electrification Asia-Pacific (ITEC Asia-Pacific), 2014 IEEE Conference and Expo, Beijing, China, 2014:1-6.

14) Junjie Ge, Zhao Zhengming, He Fanbo, Yuan Liqiang, Lu Ting. Transient power balance based control for buck converters. Transportation Electrification Asia-Pacific (ITEC Asia-Pacific), 2014 IEEE Conference and Expo, Beijing, China, 2014:1-5.

15) Ge Junjie, Zhao Zhengming, Ma Junchao, He Fanbo, Yuan Liqiang, Lu Ting. Phase-shift control of isolated bidirectional DC-DC converters for unidirectional power flow. Energy Conversion Congress and Exposition (ECCE), 2014 IEEE, Pittsburgh, PA, USA, 2014:1099-1104

16) Gaoyu Zou, Zhengming Zhao. Research on impacts of different parameters on transient power loss of IGBT. Electrical Machines and Systems (ICEMS), 2013 International Conference on, Busan, 2013:490-495.（EI:20140817340461）

17) Liqiang Yuan, Guangyu Li, Zhengming Zhao, Ting Lu, Fanbo He, Fei Kong. Safe stop-pulsing strategy for IGCT-based three-level neutral point clamped inverters. Electrical Machines and Systems (ICEMS), 2013 International Conference on, Busan, 2013:1776-1781.（EI:20140817340644）

18) Fei Kong, Fanbo He, Zhengming Zhao, Ting Lu. Series connected photovoltaic power inverter. Electrical Machines and Systems (ICEMS), 2013 International Conference on, Busan, 2013:273-275.

19) Ge J. J., Zhengming Zhao, Li J. J. Back stepping control for active power filter with LCL filter. Renewable Power Generation Conference (RPG 2013), 2nd IET, Beijing, 2013:1-4.（EI:20140517255206）

20) He F., Zhengming Zhao, Yuan L., Lu T. Control of parallel grid-connected photovoltaic inverters with common DC bus. Renewable Power Generation Conference (RPG 2013), 2nd IET, Beijing, 2013:1-4.（EI:20140517255318）

21) Jingjing Li, Zhengming Zhao, Junjie Ge, Liqiang Yuan, Ting Lu. Implementation of a novel source current detection control strategy for LCL filter-based shunt active power filter. Electrical Machines and Systems (ICEMS), 2013 International Conference on, Busan, 2013:1624-1629.（EI:20140817340675）

22) Ting Lu, Zhengming Zhao, Shiqi Ji, Hualong Yu, Liqiang Yuan, Fanbo He, Yingchao Zhang, Fei Kong. Design of voltage balancing control circuit for series connected HV-IGBTs. Electrical Machines and Systems (ICEMS), 2013 International Conference on, Busan, 2013:515-518.（EI:20140817340455）

23) Ma Junchao, He Fanbo, Zhao Zhengming, Kong Fei, Li Chongjian. A novel power management strategy for single phase storage-equipped grid-connected PV generation system. Future Energy Electronics Conference (IFEEC), 2013 1st International, Tainan, Taiwan, 2013:812-815.（EI:20142717879011）

24) Ting Lu, Zhengming Zhao, Liqiang Yuan, Fanbo He, Yingchao Zhang. Uncoupled direct power control based on improved sector selection algorithm for three-level PWM rectifier. Energy Conversion Congress and Exposition (ECCE), 2013 IEEE, Denver, CO, 2013:1364-1370.（EI:20140117153971）

25) Yiming Zhang, Zhengming Zhao, Kainan Chen. Frequency splitting analysis of magnetically-coupled resonant wireless power transfer. Energy Conversion Congress and Exposition (ECCE), 2013 IEEE, Denver, CO, 2013:2227-2232.（SCI: EI:20140117154090）

26) Yiming Zhang, Zhengming Zhao, Kainan Chen. Load matching analysis of magnetically-coupled resonant wireless power transfer. ECCE Asia Downunder (ECCE Asia), 2013 IEEE, Melbourne, VIC, 2013:788-792.（EI:20133816745443）

27) Kai Li, Ting Lu, Zhengming Zhao, Lu Yin, Fang Liu, Liqiang Yuan. Carrier based implementation of reduced common mode voltage PWM strategies. ECCE Asia Downunder(ECCE Asia),2013 IEEE, Melbourne, VIC, 2013:578-584.（EI:20133816745407）

28) Kainan Chen, Zhengming Zhao, Yiming Zhang, Lu Yin. Analysis of structure and parameters in wireless power transmission system with consideration of losses in source. Applied Power Electronics Conference and Exposition (APEC), 2013 Twenty-Eighth Annual IEEE, Long Beach, CA, 2013:2575-2581.（EI:20132716459124）

29) Gaoyu Zou, Zhengming Zhao, Liqiang Yuan. Study on DC busbar structure considering stray inductance for the back-to-back IGBT-based converter. Applied Power Electronics Conference and Exposition (APEC), 2013 Twenty-Eighth Annual IEEE, Long Beach, CA, 2013:1213-1218.（EI:20132716458918）

30) Ting Lu, Zhengming Zhao, Shiqi Ji, Hualong Yu, Liqiang Yuan. Parameter design of voltage balancing circuit for series connected HV-IGBTs. Power Electronics and Motion Control Conference (IPEMC), 2012 7th International, 2012, 2:1502-1507.(EI:20124015497012)

31) Shiqi Ji, Ting Lu, Zhengming Zhao, Liqiang Yuan. Modelling of high voltage IGBT with easy parameter extraction. Power Electronics and Motion Control Conference (IPEMC), 2012 7th International, 2012, 2:1511-1515.（EI:20124015497014）

32) Lu Yin, Zhengming Zhao, Ting Lu, Sheng Yang, Gaoyu Zou. An improved DC-link voltage fast control scheme for a PWM rectifier-inverter system. Energy Conversion Congress and Exposition (ECCE), 2012 IEEE, 2012:1669-1675.（EI:20125115806673）

33) Hualong Yu, Liqiang Yuan, Ting Lu, Zhengming Zhao, Shiqi Ji. Structure design and analysis of high voltage IGBTs series connection experimental platform. Power Electronics and Motion Control Conference (IPEMC), 2012 7th International, 2012, 3:1828-1832.（EI:20124015497133）

34) Liqiang Yuan, Zhiping Chen, Xianlai Hu, Junjie Ge, Zhengming Zhao. Design and implementation of photovoltaic lighting system with high luminous efficacy LEDs. Power Electronics and Motion Control Conference (IPEMC), 2012 7th International, 2012, 4:2914-2918.（EI:20124015497323）

35) Yuan Liqiang, Yu Hualong, Wang Xuesong, Zhao Zhengming, Lu Ting. The Large-size Low-stray-parameter Planar Bus Bar for High Power IGBT-based Inverters. ICEMS 2012, 2012:(EI:20130716015699)

36) Chen Zhiping, Yuan Liqiang, Zhao Zhengming, Sun Xiaoying. Power Losses in Two- and Three-Level Three Phase Photovoltaic Inverters Equipped with IGBTs. ICEMS 2012, 2012:(EI:20130716015868)

37) Lu Ting, Zhao Zhengming, Yu Hualong, Ji Shiqi, Yuan Liqiang, He Fanbo. Parameter design of three-level converter based on series connected HV-IGBTs. ICEMS 2012, 2012:(EI:20130716015854)

38) Li Xiaoxiao, Zhao Zhengming, Ju Zhenhe. Calculation and experiment research of improving generated energy in grid-connected PV power station based on manual adjustment of angle. EESD 2012, 2012:(EI:20130215879047)

39) Lu Ting, Zhao Zhengming, Ji Shiqi, Yu Hualong, Yuan Liqiang. Active clamping circuit with status feedback for HV-IGBT. ICEMS 2012, 2012:(EI:20130716015853)

40) Bai Lingyun, Zhao Zhengming, Lei Yi, Wang Shuping. Study on the loss reduction of high-efficient high-voltage series induction motors. ICEMS2011, 2011: (EI:20115014604689)

41) Zou Gaoyu, Zhao Zhengming, Yuan Liqiang, Wang Xuesong, Lu Ting. Optimal Design of the Back-to-Back IGBT-Based Converter with the Concept of Systematic Safe Operating Area. ICEMS2011, 2011:(EI:20115014604351)

42) Lei Yi, Zhao Zhengming, Xu Wei, Zhu Jianguo. Modeling and analysis of MW-level grid-connected PV plant. IECON 2011 - 37th Annual Conference of the IEEE Industrial Electronics Society, 2011:890-895.(EI:20120614744829)

43) Ji Shiqi, Zhao Zhengming, Yuan Liqiang. HVIGBT physical model analysis during transient. ICEMS2011, 2011:(EI:20115014604501)

44) Yousif H. A., Zhao Zhengming, Lu Ting. Elimination of High Temperature and High Humidity Effects on Three-level high power PWM Power Electronics Converter. ICEMS2011, 2011:(EI:20115014604677)

45) Ting Lu, Zhengming Zhao, Yingchao Zhang, Liqiang Yuan. Design of Energy Storage Component Parameters for Three-level Grid-connected Inverter. ICEMS2011, 2011:(EI:20115014604844)

46) Liu Chao, Zhao Zhengming, Lu Ting, Yuan Liqiang. Design and Implement of an Active Damping LCL-filter for Three-level Voltage Source PWM Rectifier. ICEMS2011, 2011:(EI:20115014604358)

47) Lei Yi, Zhao Zhengming, He Fanbo, Lu Sizhao, Yin Lu. An improved virtual resistance damping method for grid-connected inverters with LCL filters. Energy Conversion Congress and Exposition (ECCE), 2011 IEEE, 2011:3816-3822.(EI:20114814552892)

48) Lu Yin, Zhengming Zhao, Ting Lu, Fanbo He, Liqiang Yuan. A predictive DC voltage control scheme for back-to-back converters based on energy balance modeling. ICEMS 2011, 2011:(EI:20115014604710)

49) He Fanbo, Zhao Zhengming, Yuan Liqiang, Lu Sizhao. A DC-link voltage control scheme for single-phase grid-connected PV inverters. Energy Conversion Congress and Exposition (ECCE), 2011 IEEE, 2011:3941-3945.(EI:20114814552990)

50) Zhao Zhengming, Yin Lu, Sun Xiaoying, Yuan Liqiang, Lu Ting. Recent development of technology and market of grid-connected PV system in China. 2010 International Conference on Electrical Machines and Systems, ICEMS2010, 2011:1-6. (EI:20110313590673)

51) He Fanbo, Zhao Zhengming, Lu Ting, Yuan Liqiang. Predictive DC voltage control for three-phase grid-connected PV inverters based on energy balance modeling. Power Electronics for Distributed Generation Systems (PEDG), 2010 2nd IEEE International Symposium on, Hefei, China, 2010:516-519.(EI:20103713233446)

52) Ting Lu, Zhengming Zhao, Liqiang Yuan, Yingchao Zhang. Elimination of power control coupling in direct power control based on switching table for three-level PWM rectifier. Electrical Machines and Systems (ICEMS), 2010 International Conference on, Incheon, 2010:275-280.(EI:20110313590587)

53) Hu Sideng, Zhao Zhengming, Lu Ting, Yuan Liqiang. DC pre-excitation application in three-phase induction motor drive system. Power Electronics for Distributed Generation Systems (PEDG), 2010 2nd IEEE International Symposium on, Hefei, China, 2010:389-393.(EI:20103713233435)

54) Xuesong Wang, Zhengming Zhao, Liqiang Yuan. Current sharing of IGBT modules in parallel with thermal imbalance. Energy Conversion Congress and Exposition (ECCE), 2010 IEEE, Atlanta, GA, 2010:2101-2108.(EI:20105113495989)

55) Wang Xuesong, Zhao Zhengming, Yuan Liqiang. Conducted EMI reduction in IGBT-based converters. Electromagnetic Compatibility (APEMC), 2010 Asia-Pacific Symposium on, Beijing, 2010:230-234.(EI:20103113107159)

56) Ting Lu, Zhengming Zhao, Fanbo He, Liqiang Yuan, Yingchao Zhang. Compensation of control delay and discrete control error in predictive direct power control for three-level PWM rectifier. IEEE PEDG’ 2010, 2010:829-834.(EI: 20103713233401)

57) Sideng Hu, Zhengming Zhao, Liqiang Yuan, Ting Lu, Xuesong Wang. Approaches to enhance discrete control algorithms serving for motor drive system. Energy Conversion Congress and Exposition (ECCE), 2010 IEEE, Atlanta, GA, 2010:1041-1046. (EI:20105113495658)

58) Yingchao Zhang, Zhengming Zhao, Ting Lu, Liping Jin. An integrated control method for three-level NPC based PWM rectifier-inverter. Power Electronics for Distributed Generation Systems (PEDG), 2010 2nd IEEE International Symposium on, Hefei, China, 2010:616-620.(EI:20103713233502)

(5) Selected Chinese Journal Papers since 2010

1) Xing Weng, Zhengming Zhao, Fanbo He. Simulation Comparison of Several MPPT Methods for Photovoltaic Generation. High Power Converter Technology. 2014,(03):20-25.

2) Zhengming Zhao, Fanbo He, Liqiang Yuan, Ting Lu. Techniques and Applications of Electromagnetic Transient Analysis in High Power Electronic Systems. Proceedings of the CSEE. 2014,(18):3013-3019.

3) Zhengming Zhao. Motor Systemic Energy Saving and Its Evaluation. Electric Age. 2014,(02):34-35.

4) ZOU Gaoyu，ZHAO Zhengming，YUAN Liqiang，YIN Lu. Design of Main Circuit Parameters for High-performance Three-phase Back-to-back Converter. Electric Power Automation Equipment. 2014,(01):72-79.(EI:20140817349664).

5) YU Hualong, ZHAO Zhengming, YUAN Liqiang, LU Ting, JI shiqi. High-voltage IGBTs Series Converter Bus Bar Design and Stray Parameter Analysis. Journal of Tsinghua University (Science and Technology). 2014,(04):540-545.

6) Zou Gaoyu, Zhao Zhengming, Yuan Ligiang, Xuesong Wang. Systematic Safe Operating Area of Dual-PWM Converter and Its Application. Electric Power Automation Equipment, 2014,(03):82-88.(EI:20141417548284).

7) Li Jingjing, Zhao Zhengming, Ge Junjie. Comparison between Source Current and Load Current Detection Type for Active Power Filters. Advanced Technology of Electrical Engineering and Energy. 2014,(02):52-56.

8) Zhao Zhengming, Zhang Yiming, Chen Kainan. New Progress of Magnetically-coupled Resonant Wireless Power Transfer Technology. Proceedings of the CSEE. 2013,(1):1-13.(EI:20131016090474)

9) Zhang Yiming, Zhao Zhengming, Yuan Liqiang, Lu Ting. Comparison of Two Basic Structures in Magnetically-coupled Resonant Wireless Power Transfer. Transactions of China Electrotechnical Society. 2013,(S2):18-22.(EI:20142117745378)

10) Yin Lu, Zhao Zhengming, He Fanbo, Yuan Liqiang, Zou Gaoyu. Deadbeat Current Control for Three-phase PWM Rectifiers during Distorted Grid Voltage Conditions. Journal of Tsinghua University (Science and Technology). 2013,(11):1637-1644.(EI:20141617586233)

11) He Fanbo, Zhao Zhengming, Yuan Liqiang. Efficiency Characteristic of Parallel PV Inverters with a Common DC-bus. Power Electronics. 2013,(03):24-26.

12) Zhao Zhengming, He Fanbo, Lei Yi, Tian Qi. Review of Several Key Technologies on Grid-connected PV Power Generation. Power Electronics. 2013,(03):1-7.

13) Tian Qi, Zhao Zhengming, Han Xiaoyan. Sensitivity Analysis and Parameter Extraction of Photovoltaic Cell Model. Electric Power Automation Equipment. 2013,(05):119-124.(EI:20132316405300)

14) Li Xiaoxiao, Zhao Zhengming, Ju Zhenhe. Optimized Design and Experiment Research on BAPV Grid-connected Plant Based on Separated MPPT Technology. Electrical Engineering. 2013,(02):1-6.

15) Ge Junjie, Zhao Zhengming, Yuan Liqiang, Hu Xianlai. Multi-peak MPPT Based on Analog Locating Circuit. Electric Power Automation Equipment.2013,(10):16-21.(EI:20135217144334)

16) Yin Lu, Zhao Zhengming, Lu Ting, Yuan Ligiang, Zou Gaoyu. Control Platform Based on Dual DSPs for Dual-PWM Converter. Electric Power Automation Equipment. 2013,(11):152-157.(EI:20135217144386)

17) Ge Junlie, Zhao Zhengming. Cascaded Voltage Self-balancing Solid State Transformer. Journal of Tsinghua University (Science and Technology). 2013,(04):459-464.(EI:20134416914755)

18) Zou Gaoyu, Zhao Zhengming, Yuan Liqiang. Losses in IGBT Modules in Dual-PWM Converters. Journal of Tsinghua University (Science and Technology). 2013,(07):1011-1018.(EI:20135217144106)

19) Li Xiaoxiao, Zhao Zhengming, Tian Chunning, Ju Zhenhe. Survey of Unadjusted Photovoltaic Grid-connected Inverter System. Electrical Engineering. 2012,(1):1-5.

20) Liu Chao, Zhao Zhengming, Lu Ting. Design of Grid Side LCL Filter for Three-level PWM Rectifier. Advanced Technology of Electrical Engineering and Energy. 2012,(1):56-59.

21) Wang Xuesong, Zhao Zhengming, Yuan Liqiang, Lu Ting. Parallel Technique for IGBT Modules Applied in High-Power Converter. Transactions of China Electrotechnical Society 2012,(4):(EI:20125015795555)

22) Wang Xuesong, Zhao Zhengming, Yuan Ligiang. Protection Scheme for Converter Based on the Systematic Safe Operating Area. Journal of Tsinghua University (Science and Technology). 2012,(8):1029-1034.(EI:20124215572118)

23) Yin Lu, Zhao Zhengming, He Fanbo, Lu Ting, Yuan Liqiang. Control Algorithm for Three-phase Grid-connected Photovoltaic Inverter with High Power Factor. Electric Power Automation Equipment. 2012,(10):1-5.(EI:20130315910390)

24) Li Xiaoxiao, Zhao Zhengming, Tian Chunning, Ju Zhenhe. Research on Calculation and Experiment of Optimum Tilt Angle in Photovoltaic Grid-connected Generation System Based on Statistics Analysis. Electrical Engineering 2012,(8):1-6.(EI:20130215879047)

25) Hu Sideng, Zhao Zhengming, Yuan Liqiang, Wang Xuesong. DC Pre-Excitation Start Strategy Based on the Flux Control for V/F Controlled Induction Motor Drive System. Transactions of China Electrotechnical Society. 2012,(7):118-123.(EI:20123715424482)

26) Lei Yi, Zhao Zhengming, Yuan Liqiang, Lu Sizhao. Factors Contributing to Damping of Grid-connected Photovoltaic Inverter with LCL Filter. Automation of Electric Power Systems. 2012,(21):36-40.(EI:20125015795595)

27) Lei Yi, Zhao Zhengming, Lu Sizhao. Hybrid control of Active and Passive Damping for Grid-connected PV Inverter with LCL Filter. Electric Power Automation Equipment. 2012,(11):23-27.(EI:20130315910421)

28) Zhong Shan, Yang Sheng, Zhao Zhengming. Technology and Development Review of Active Power Filter. The World of Inverters. 2011,(1):45-49.

29) Zhao Zhengming, Xiao Xi, Wang Shanming, Cai Jianyun. Summary of the 14th International Conference on Electrical Machines and Systems (ICEMS2011). 2011,(9):1-4.

30) Lei Yi, Yin Lu, Lu Sizhao, Zhao Zhengming. Design of Multi-output Switching Power Supply for Photovoltaic Inverters. Electric Power Automation Equipment. 2011,(6):16-19.(EI:20112714116068)

31) Zhang Yingchao, Zhao Zhengming, Feng Bo, Lu Ting, Jin Liping. Integrated Control Scheme for Three-Level NPC Based Dual-PWM Converter. Transactions of China Electrotechnical Society. 2011, 26(11):25-31.(EI:20115014603463)

32) Wang Xuesong, Zhao Zhengming, Yuan Liqiang. Systematic Safe Operating Area of IGBT-based Converters. Journal of Tsinghua University (Science and Technology). 2011,(7):914-920.(EI:20113414261019)

33) Tian Qi, Zhao Zhengming, Deng Yi, Yuan Liqiang, He Fanbo. Simulation and Experimental Study about Reverse Model of Photovoltaic Cells. Proceedings of the Chinese Society of Electrical Engineering. 2011,(23):121-128.(EI: 20113614310592)

34) Zhao Zhengming, Lei Yi, He Fanbo, Lu Zongxiang, Tian Qi. Overview of large-scale grid-connected photovoltaic power plants. Automation of Electric Power Systems. 2011,(12):101-107.(EI:20112914155582)

35) Chen Jian, Zhao Zhengming, Yuan Liqiang. Implementation of Solar LED Lighting Control System Based on Embedded Target Modules. Advanced Technology of Electrical Engineering and Energy. 2010,(03):76-80.

36) Zhao Zhengming. Survey of Hot Topics Concerning the Development of Power Electronics Technology Application. The World of Inverters 2010, (01):41-43.

37) Zhao Zhengming. New Development of Power Electronics Technology Application. Power Electronics. 2010,(01):6-10.

38) Lei Yi, Zhao Zhengming. Overview of Large-scale PV Integration Key Technologies and Its Impact. Power Electronics. 2010,(03):16-23.

39) ZHAO Zhengming, ZOU Gaoyu. Overview of Large-capacity Power Electronic Application System and Key Issues. High Power Converter Technology 2010,(02):1-5.

40) Zhong Yulin, Zhao Zhengming. Online and Offline Measurements of Passive Common-mode Filter Performance. Journal of Tsinghua University (Science and Technology). 2010,(04):507-511.(EI:20103413174225)

41) 鄧夷, 趙争鳴, 袁立強, 胡斯登, 王雪松. 适用于複雜電路分析的IGBT模型. 中國電機工程學報, Deng Yi, Zhao Zhengming, Yuan Liqiang, Hu Sideng, Wang Xuesong. IGBT Model for Analysis of Complicated Circuits. Proceedings of the CSEE. 2010,(09):1-7.(EI:20101912923149)

42) Zhang Yongchang, Zhao Zhengming. Speed Sensorless Fuzzy Vector Control of Induction Motor Using an Adaptive Observer. Transactions of China Electrotechnical Society. 2010,(03):40-47.(EI:20101912918187)

43) Lei Yi, Zhao Zhengming, Wang Shuping, Guo Dengta, He Yumin. High Efficiency and High Voltage Series Induction Motors Based on Sinusoidal Hard Windings and Backward Inclined Fans. Journal of Tsinghua University (Science and Technology). 2010,(05):705-708.(EI:20103413174269)

44) Chen Jian, Zhao Zhengming, Yuan Liqiang, Zha Lanxi. Comparison of Maximum Power Point Tracking Technologies for Photovoltaic Power Systems. Journal of Tsinghua University (Science and Technology). 2010,(05):700-704.(EI:20103413174268)

45) Hu Sideng, Zhao Zhengming, Yuan Liqiang, Lu Ting, Wang Xuesong. Discrete Control in High-performance Adjustable Speed Drives System. Proceedings of the CSEE. 2010,(30):1-6.(EI:20104813436175)

46) Lu Ting, Zhao Zhengming, Zhang Yingchao, Yuan Liqiang. Effect of Sampling Delay and Error on Direct Power Control Performance of Three-Level PWM Rectifier and Its Restraining Method. Transactions of China Electrotechnical Society. 2010,(03):66-72.(EI:20101912918191)

(6) Authorized Patent

 Zhengming Zhao, Liqiang Yuan, Ting Lu, Fanbo He, Xiaoying Sun. Electromagnetic Transient Analyzing Method of High-capacity Power Electronics Transformation System. Chinese Patent of Invention, Publication No: ZL201210497020.5, 2014.4.16.

 Zhengming Zhao, Ting Lu, Fanbo He, Lu Yin, Liqiang Yuan, Xiaoying Sun. Control Method of Power Electronics Converters Based on Transient Electromagnetic Energy Balance. Chinese Patent of Invention, Publication No: ZL201210475860.1, 2014.4.16.

 Ting Lu, Zhengming Zhao, Shiqi Ji, Hualong Yu, Liqiang Yuan, Fanbo He, Xiaoying Sun. Active Voltage Balancing Device of Series Connected HV-IGBTs Based on Pulses in the Main Circuit. Chinese Patent of Invention, Publication No: ZL201210466965.0, 2014.4.16.

 Yi Lei, Zhengming Zhao, Fanbo He, Sizhao Lu, Liqiang Yuan, Ting Lu. Damping Parameter Design Guideline of LCL Filter in Grid-connected Photovoltaic Inverter. Chinese Patent of Invention, Publication No: ZL201110170549.1, 2013.7.10.

 Zhengming Zhao, Xuesong Wang, Liqiang Yuan, Ting Lu, Xiaoying Sun. Passive Lossless Contactless Integrated DC Bus Implementation Based on Transient Electric Quantity Balance. Chinese Patent of Invention, Publication No: ZL201110294039.5, 2013.6.19

 Liqiang Yuan, Xuesong Wang, Zhengming Zhao, Ting Lu, Xiaoying Sun. Three-level Converter with Extended System Safety Operation Zone by Optimizing the Overcurrent Protection of Devices. Chinese Patent of Invention, Publication No: ZL201010162953.X, 2012.7.18.

 Sideng Hu, Zhengming Zhao, Liqiang Yuan, Ting Lu. DC pre-excitation Start-up Method of VVVF Control of Inductive Machine with Flux Linkage Control. Chinese Patent of Invention, Publication No: ZL201010518150.3, 2012.12.26.

 Yaodong Lu, Eltawil Mohamed A., Xiaoying Sun, Liqiang Yuan, Zhengming Zhao. Hybrid Solar Desalination System. Chinese Patent of Invention, Publication No: ZL200810226488.4, 2011.5.11.

 Bo Feng, Zhengming Zhao, Jian Chen, Liqiang Yuan, Yingchao Zhang. Constant-current Sliding Mode Variable Structure Control Method of Solar LED Illuminating System. Chinese Patent of Invention, Publication No: ZL200810222812.5, 2011.12.28.

 Shuping Wang, Zhengming Zhao, Yaojing Feng, Dengta Guo, Yumin He. Method of Changing Double-layer Lap Winding to Y-∆ Hybrid Winding. Chinese Patent of Invention, Publication No: ZL200710303761.4, 2011.1.26.

 Zhiyong Yang, Dongming Tang, Bing Li, Wang Dou, Liqiang Yuan, Zhengming Zhao. An Insert Modular Structure of Power Resistor (Invention). Chinese Patent of Invention, Publication No: ZL200610038467.0, 2010.2.24.

 Shuping Wang, Zhengming Zhao, Yaojing Feng, Dengta Guo, Yumin He. Design Method of Backward Centrifugal Cooling Outer Fan in High-voltage Inductive Machine. Chinese Patent of Invention, Publication No: ZL200710303762.9, 2010.11.10.

 Dejia Zhou, Zhengming Zhao, Zhiqiang Zhao, Bo Feng, Jing Zhao. A Fast Stable Photovoltaic Three-phase Grid-connected Control Method of Achieving MPPT. Chinese Patent of Invention, Publication No: ZL200710100324.2, 2009.7.1.

 Yongcang Zhang, Zhengming Zhao, Zhi Yang, Hua Bai. A Hybrid Modulation Method Applied to Three-level High-voltage Variable Frequency Drive. Chinese Patent of Invention, Publication No: ZL200710063247.8, 2009.3.18.

 Qiang Zhang, Jianzheng Liu, Zhengming Zhao, Libo Wu, Jian Wang. A Solar High-pressure Sodium Lamp Controller Based on Single-phase Inverter. Chinese Patent of Invention, Publication No: ZL200510086918.3, 2009.10.21.

 Dong Jiang, Zhengming Zhao, Wei Guo, Shijing Wang, Xiaoying Sun. A Redundant Double-machine Control System. Chinese Patent of Invention, Publication No: ZL200610164920.2, 2009.1.14.

 Wei Guo, Zhengming Zhao, Shijing Wang, Xiaoying Sun, Yingchao Zhang. Pasted magnet for Aided Ecxitation of SRPM. Chinese Patent of Invention, Publication No: ZL200510086296.4, 2008.7.23.

 Wei Guo, Zhengming Zhao, Yingchao Zhang, Xiaoying Sun, Dong Jiang. A Bonded SRPM with Rubber Permanent Magnet Aided Excitation. Chinese Patent of Invention, Publication No:

 ZL200510086343.5, 2008.6.18.

 Liqiang Yuan, Zhiliang Cui, Huaisheng Zhang, Hua Bai, Zhi Yang, Zhengming Zhao. A Safe Pulse Disable Method in Medium- and High- voltage Three-level Converter Based on IGCT. Chinese Patent of Invention, Publication No: ZL200510086343.5, 2008.5.28.

 Haitao Zhang, Zhengming Zhao, Jue Qian, Xiaoying Sun, Shibao Qian. A High-performance Optical CAN Communication System Suitable to Environment with Strong Electromagnetic Interference. Chinese Patent of Invention, Publication No: ZL200510086299.8, 2007.8.22.

 Shuo Meng, Zhengming Zhao. A Method of Reducing the Switching Losses in Three-level Variable-frequency Drive. Chinese Patent of Invention, Publication No: ZL3150089.7, 2007.2.7.

 Shu Liu, Zhengming Zhao, Jianzheng Liu, Huaisheng Zhang, Zhiyong Yang. A Smart Data Collection and Overvoltage Protection System Applied to Medium- and high- voltage Power Equipment. Chinese Patent of Invention, Publication No: ZL200510086300.7, 2007.12.19.

 Hua Bai, Zhengming Zhao, Liqiang Yuan, Haitao Zhang, Yanan Zhang. A DC Pre-excitation Applied to Start-up Process of Three-level Variable-frequency Drive. Chinese Patent of Invention, Publication No: ZL200510086610.9, 2007.11.7.

 Jianzheng Liu, Jian Wang, Zhengming Zhao, Libo Wu, Shu Liu. A Photovoltaic Grid Connected Equipment with both Reactive and Harmonic Compensation Functions. Chinese Patent of Invention, Publication No: ZL200510011431.9, 2007.11.7.

 Zhengming Zhao, Shuo Meng, Hua Bai, Jianzheng Liu, Xiaoying Sun. A Neutral Point Voltage Balancing Control Method of Three-level Variable-frequency Drive Based on Electric Charge Balance. Chinese Patent of Invention, Publication No: ZL3150349.7, 2006.6.14.

 Zhengming Zhao, Shuo Meng, Liqiang Yuan. A Variable-frequency Speed Regulation AC Asynchronous Machine. Chinese Patent of Invention, Publication No: ZL100151.5, 2004.3.10.

 Zhengming Zhao, Qiang Lu, Yufeng Liu, Shuomeng, Liqiang Yuan, Kunlun Chen. A Comprehensive Application System of Solar Water Pump-up and Lighting. Chinese Patent of Invention, Publication No: ZL103055.8, 2003.10.8.

(7) Computer Software Copyright

1. Junjie Ge, Xianlai Hu, Liqiang Yuan, Xiaoying Sun, Zhengming Zhao, Fanbo He. PWM Control Software of High-efficiency Independent LED Illuminating System with Emerging Storage Devices. 2012.9.25

2. Jingjing Li, Junjie Ge, Shan Zhong, Qiong Wang, Zhengming Zhao, Ting Lu, Xiaoying Sun. Active Power Filter Control Software Based on Repetitive Control. 2012.8.30

3. Fanbo He, Zhengming Zhao, Liqiang Yuan, Ting Lu. Group Control Software of Parallel Grid-connected Inverters. 2012.8.30

4. Junchao Ma, Fei Kong, Zhengming Zhao, Fanbo He, Xiaoying Sun, Liqiang Yuan, Ting Lu. Energy Control Software of Grid-connected Multiport Inverter System with Energy Storage Based on Bus Voltage Control. 2012.8.30

5. Gaoyu Zou, Zhengming Zhao, Liqiang Yuan, Xiaoying Sun, Lu Yin, Hualong Yu, Xuesong Wang, Ting Lu. Energy Control Software of Grid-connected Multiport Inverter System with Energy Storage Based on Bus Voltage Control. 2012.8.14.

6. Lu Yin, Zhengming Zhao, Liqiang Yuan, Gaoyu Zou, Ting Lu, Sideng Hu, Fanbo He. Control software of two-level back-to-back variable frequency speed regulation system based on energy balance. 2012.8.14.

7. Ting Lu, Shiqi Ji, Hualong Yu, Zhengming Zhao, Liqiang Yuan, Fanbo He. Voltage Balancing Control Software of Series Connected HV-IGBTs. 2012.12.6.

8. Zhiping Chen, Liqiang Yuan, Zhengming Zhao, Ting Lu, Fanbo He. Loss Calculation Software of Inverter Based on Power Semiconductors. 2012.12.6.

9. Shiqi Ji, Ting Lu, Hualong Yu, Zhengming Zhao, Liqiang Yuan, Xiaoying Sun. Analyzing Software of HV-IGBT Characteristics Feasible to Series Connected Devices. 2012.12.6

10. Kai Li, Zhengming Zhao, Liqiang Yuan, Ting Lu, Bin Wang, Fanbo He. Analyzing Software of Common-mode Voltage of Power Electronics Converters. 2012.12.25

11. Zhengming Zhao, Shuo Meng, Yi Lei, Hui Guan, Shuping Wang, Lingyun Bai, Liqiang Yuan, Xiaoying Sun, Ting Lu. Design and Simulation Software of Inductive Machine. 2011.7.15.

12. Yi Lei, Kainan Chen, Jing Xue, Fanbo He, Zhengming Zhao, Liqiang Yuan. Energy Conservation Assessment and Simulation Software of Fan and Water Pump Machine System. 2009.7.22.

13. Haitao Zhang, Zhengming Zhao, Zhi Yang, Bing Li, Yingchao Zhang, Hua Bai, Liqiang Yuan, Yongchang Yang, Zhiliang Cui, Ji’an Wu. Master Control System of High-voltage High-capacity Three-level Inverter. 2006.11.20.

14. Rong Yi, Xiaoying Sun, Zhiyong Yang, Xueqin Zhang, Zhengming Zhao, Xuan Hu, Yulin Zhong, Rong Zhuang. PC Debug Software of Variable Frequency Speed Regulation Control System. 2006.11.20

15. Hua Bai, Liqiang Yuan, Yan’an Zhang, Shibao Qian, Jue Qian, Huaisheng Zhang, Ting Lu, Shu Liu, Zhengming Zhao, Xiaojun Guo. Communication, Protection, Input and Output System Software of High-voltage High-capacity Three-level Inverter System. 2006.11.20.

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