Teaching

(1) Undergraduates Courses

• Power Electronics Fundamentals (in English)

• Design and Control of Power Electronics

(2) Postgraduates Courses

• Energy Storage Technology and Its Applications in Renewable Generation Systems.

Graduate Supervision

(1) Graduated Students

• Ph.D: Haixu Shi, Huan Chen, Shilei Lu, Zheyuan Yi

• M.S.: Zhen Huang, Xiaosheng Wang, Zhaoxin Qiu, Xiang Lin, Siyue Jiang, Hongsen Chong

(2) Current Graduate Students

• Ph.D candidate: Hanyu Liu, Pohan Chen, Leheng Wang, Kai Zhang, Zengyang Liu, Siyue Jiang(Doctor of Engineering),Bowen Su

(3) Post-doctoral Fellows

• Graduated: Li Zhang, Zhiqiang Guo, Shujun Mu, Wei Feng, Hengwei Lin, Jiangfeng Wang, Haixu Shi, Xiaochao Hou

• Current: Jiamei Zhang, Qiang Bi, Huan chen, Jingjing Qi, Yuhang Zou

(4) Awards of the Students

• Siyue Jiang, Excellent Master Degree Thesis, Tsinghua University, 2019

• Zheyuan Yi, Student of the Year Award, Department of Electrical Engineering, Tsinghua University, 2019

• Huan Chen, Zheyuan Yi, 2018IEEE IFEC2018, Outstanding Performance Award, 2018

• Zheyuan Yi, Outstanding graduates, 2019

• Haoran Li, Outstanding graduates, 2019

• Hanyu Liu, Outstanding graduates, 2020

• Haixu Shi, IEEE EI2 2020 Best Student Paper Award, 2020

• IEEE PELS Tsinghua Student Branch Chapter, 2021 PELS Best SBC Award, 2021

• Hanyu Liu, Student of the Year Award, Department of Electrical Engineering, Tsnghua University, 2021

• Huan Chen, National Scholarship for Graduate Students, 2021

• Huan Chen, Forbes Asia Under 30, 2022

• Zengyang Liu, Outstanding graduates, 2023

• Zheyuan Yi, IEEE SYPS 2023 Best Paper Award, 2023

• IEEE PELS Tsinghua Student Branch Chapter，PELS SYPS Best Organization SBC Award, 2023

• Bowen Su , Second Prize in the National Finals of the 2nd Innovation Competition for Electrical and Electronic Engineering in Higher Education Institutions, China Electrotechnical Society, 2023

• Hanyu Liu , IEEE PELS Graduate Studies Fellowship and IEEE PELS John G. Kassakian Fellowship, 2023

• Huan Chen, Outstanding Ph.D Dissertation Award, Tsinghua University, 2024

• Bowen Su ,Jiahua Ying , Zhan Shi , Yuliang Hong, Ran Ou, First Prize in the National Finals of the 3rd Innovation Competition for Electrical and Electronic Engineering in Higher Education Institutions, China Electrotechnical Society, 2024

(1) Selected Academic Funds

• 2023-2026, Optimization of Power Quality Regulation Resources and Multi-level Collaborative Operation Technology, National Key Research and Development Program of China (PI)

• 2023-2026, New-type Power System Stability and Optimization Technology, Tsinghua University Scientific Research Project (PI)

• 2022-2025, Medium-voltage DC Conversion Technology for High-power Wind Turbines, National Key Research and Development Program of China (PI at THU)

• 2022-2024, Feasibility and Economic Study of "Electricity-hydrogen" Combined Energy Transmission System for Large-scale Offshore Wind Power Clusters, Open Fund of State Key Laboratory of DC Transmission Technology (PI)

• 2022-2025, Research and Development of Key Technologies for PV/Storage/Charging/Hydrogen Multi-coupling Microgrid System for Urban Park-level Energy Supply, Carbon Peak and Carbon Neutral Technological Innovation Project, Jiangsu Province (Co-PI)

• 2022-2023, Research on Planning, Operation and Equipment Optimization of Urban Energy System for Carbon Neutrality, International Cooperation Joint Action Project on Climate Change and Carbon Neutrality of Tsinghua University (Co-PI)

• 2022-2023, Hydrogen Island-Research and Demonstration of Key Technologies for Offshore Energy Interconnected Hydrogen Production System Integration, China Academy of Ocean Engineering (Qingdao)(Co-PI)

• 2021-2024, Research and Application of Core Power Supply Key Technologies in the Field of Semiconductor Manufacturing Equipment, Changsha Key science and technology project (PI)

• 2020-2022, Research on Interactive Operation and Resilience Regulation of Conversion Equipment in Urban Smart Distribution Network, National Natural Science Foundation of China Sino-British International Cooperation (PI of Sub-project)

• 2019-2022, Research on the Theory and Technology of Power Conversion in Large Capacity Reversible Solid Oxide Fuel Cell System. National Natural Science Foundation of China (PI)

• 2016-2020, Novel Photovoltaic DC Boost Power Module Technology Based on Wide Bandgap Power Devices. National Key Research and Development Plan (PI of Sub-project)

• 2016-2019, Research on the Constitution Mechanism and Operation Control of Large-capacity Renewable Generation Systems Integrated into Medium-voltage DC Distribution Network. National Natural Science Foundation of China (PI)

• 2015-2018, Research and Development of Bidirectional Converter for Photovoltaic Generation Microgrids. National High Technology Research and Development Program (863 Program) (PI at THU)

• 2016-2018, Research on High-efficiency Reliable Utilization of Wind Energy and Solar Energy with Accurate Resources. Beijing Municipal Science and Technology Plan. (PI at THU)

• 2014-2015, Research on Novel Power Balancing Renewable Generation System for Hybrid AC/DC Microgrids. State Key Lab of Power Systems (PI)

• 2012-2015, Research on Parallel Bidirectional High Efficiency AC/DC Converters for Hybrid AC/DC Microgrids. National Natural Science Foundation of China (PI)

• 2010-2013, Research on Fundamental Issues of Power Electronics in Thermoelectric Generation Systems. Tsinghua University Initiative Scientific Research Program (PI)

• 2010-2012, Research on Electrical Fundamental Issues in Thermoelectric Generation Systems. State Key Lab of Power Systems (PI)

• 2009-2011, Research on Hybrid Cascaded Inverters for Distributed DC Power Supplies. State Key Lab of Power Systems (PI)

• 2007-2009, Research on Novel Two-stage Matrix Converter fed PMSM Drive System. National Natural Science Foundation of China (PI)

(2) Selected International Collaboration Projects

• 2022-2024, Key Technologies and Demonstrations of Smart Energy in Low-carbon Industry Parks, Tsinghua University - Toyota Collaboration Program (Co-PI of Sub-project)

• 2020-2022，Research on Key Technologies of PV/ESS/Hydrogen Hybrid DC Microgrid, Tsinghua University- Toyota Collaboration Program (Co-PI)

• 2019, Characteristics Test of Wide Bandgap Power Semiconductors and High Frequency Inductors Design and Optimization. Tsinghua University-Siemens Collaboration Program (PI)

• 2018-2020, Research on Advanced Power Electronics Technologies for Renewable Energy Systems and Smart Microgrids. International Cooperation and Exchange Program of the National Natural Science Foundation of China (China-Korea) (PI)

• 2018-2019, More-electric Smart Cities and Applications of Advanced Power Converters. Tsinghua University - UNSW Joint Research Fund (PI)

• 2017, Research on Fundamental Theory and Key Technology of Medium Voltage AC/DC Hybrid Power Grid. Tsinghua University - University of Alberta Joint Research Fund (PI)

• 2016, Design and Implementation of Power Electronics Transformer. Tsinghua University-Siemens Collaboration Program (PI)

• 2014-2016, Research and Demonstration on Microgrid Technology for Smart Grid Applications. National International State International Science and Technology Cooperation Program (Sino-Danish) (PI at THU)

• 2014-2015, Development and Validation of Analysis Technology for Motor Driving System using Multi-level-inverter. Tsinghua University -MHI Collaboration Program (PI)

• 2013-2014, Development and Validation of Analysis Technology for Motor Driving System using Three-level-inverter. Tsinghua University-MHI Collaboration Program (PI)

• 2011-2013, Research and Development of T-type Three-level Inverters for Photovoltaic Generation. Tsinghua University-Fuji Electric Joint Research Program (PI)

• 2011-2013, Development of Auto-tuning Method of Control Parameters and Accuracy Improvement of Low Speed Estimation in Sensorless Vector Control of Permanent Magnet Synchronous Motor. Tsinghua University-MHI Collaboration Program (PI)

• 2011-2013, Development of the Power Loss Calculation Tool and High Efficiency Switching Control Technology for the Inverter Using the Next Generation Power Device (SiC). Tsinghua University -MHI Collaboration Program (PI)

(3) Selected Industry Projects

• 2024-2029, Key Technologies for Energy and Power Equipment. TBEA. (PI)

• 2024-2026, Development of New High Frequency Soft Magnetic Materials and Their Application in Electric Vehicle Charging Stations. State Grid Hebei Electric Power Company. (Co-PI)

• 2023-2026, Key Technologies for Integrated Photohydrogen Storage Systems. Haitai New Energy. (PI)

• 2023, Hardware design and testing of high-power string PV inverters. Pinggao Group Co., Ltd.(PI)

• 2022-2024, Key Technologies and Demonstration of Collaborative Planning and Operation of Urban Suburban New Distribution Networks Based on Layered Autonomy and Regional Mutual Aid. State Grid Beijing Electric Power Company. (PI of Sub-project)

• 2022-2022, Precise Modeling and Distributed Voltage Autonomous Control Technology for High Proportional Distributed Generation of New Distribution Networks. State Grid Hebei Electric Power Company. (PI)

• 2022-2023, Research and Demonstration of Key Technologies for the Coordinated Operation and Intelligent Operation and Maintenance of Power Supply and Consumption Systems for Rooftop Photovoltaic Integration in the Entire County. State Grid Corporation of China. (PI of Sub-project)

• 2022-2023, Research on a Multi-port Home Smart Energy Management System and Its Key Power Electronics Technology. Guangdong Midea Refrigeration Equipment Co., Ltd.(PI)

• 2020-2021, Design and Verification of High-frequency Transformers for Energy Routers. TBEA Xi'an Electric Technology Co., Ltd. (PI)

• 2019-2020, Study on Planning, Design and Optimal Operation of Typical Regional Integrated Energy System and Its Microgrid. Delta Group (Co-PI)

• 2017-2019, Research on Energy Internet Demonstration Project and Key Technologies for Metropolitan Cities: Planning Development, Key Technologies and Business Innovation. Guangzhou Power Supply Bureau (PI of Sub-project)

• 2017-2018, Processing and Testing of Power Conversion and Control System for Solid Oxide Fuel Cell System. National Institute of Clean-and-low-carbon Energy (Co-PI)

• 2017, Manufacturering and Tests of Modulator BEBB Electrolytic Hydrogen Production Module and System. National Institute of Clean-and-low-carbon Energy (PI)

• 2016, Key Technology and Demonstration of Renewable Energy Microgrids and Active Distribution Networks. Guodian Nanjing Automation Co., Ltd. (PI of Sub-project)

• 2015, Experimental Simulation Analysis and Test of Control System for Distribution Network. National Institute of Clean-and-low-carbon Energy (Co-PI)

• 2014-2015, Research on SiC Inverters. Smart Grid Research Institute of State Grid (PI)

• 2014, Research on Three-level Parallel Grid-connected PV Inverters and Coordinated Control of Energy Storage. TBEA Xi’an Electric Tech Corporation (PI)

• 2013-2014, Research on Control Techniques for Wind-PV-Energy Storage Based Microgrids. Shanghai Solar Energy Corporation (PI)

• 2013-2014, Research on Power Electronics Techniques in Low Grade Thermoelectric Generation Systems. Delta Young Scholar Project sponsored by Delta Environment & Education Foundation (PI)

• 2013-2014, Research on Parallel Control Technique of Modular T-type Three-level Grid-connected PV Inverters. Beijing Jingyi Green Energy Power System Engineering Corporation (PI)

• 2010-2012, Research on Key Techniques of Novel Grid-connected Inverters for Distributed Generation. Delta Power Electronics Research and Education Development Program (PI)

(1) Books

• Kai Sun, Daning Zhou, Yang Mei. Matrix Converter Technology and Its Applications, China Machine Press, Sep 2007

• Jiuhe Wang, Kai Sun, Qiaojie Zhang. Unified Power Quality Controller and Its Passive Control, China Machine Press, Oct 2018

• Hongfei Wu, Kai Sun, Haibing Hu, Yan Xing. Three-port DC-DC Converters. China Machine Press. Aug 2020.

(2) Selected International Journal Papers Since 2010

1. Jingjing Qi, Xuezhi Wu, Kai Sun*. A quasi-parallel resonant switched capacitor dc-dc converter with wide input voltage range regulation and enhanced dynamic performances. IEEE Journal of Emerging and Selected Topics in Power Electronics. (early access)

2. Huan Chen, Kai Zhang, Leheng Wang, Kai Sun*, Yongdong Li. A soft startup method with natural short-circuit tolerance features for CLLC converters. IEEE Transactions on Power Electronics. (early access)

3. Siqi Fu, Yao Sun, Xiaochao Hou, Feng Zhou, Mei Su, Xin Zhang, Kai Sun. Power coupling index (PCI)-oriented stability analysis and interaction control design for inverter-based microgrid under complex line impedance. IEEE Transactions on Power Electronics. (early access)

4. Wenfa Kang, Jianquan Liao, Minyou Chen, Kai Sun, Peter J. Tavner, Josep M. Guerrero. Distributed optimal power management for smart homes in microgrids with network and communication constraints. Applied Energy. (early access)

5. Wenfa Kang, Jianquan Liao, Minyou Chen, Josep M. Guerrero, Kai Sun. Distributed event-triggered optimal power management of distribution networks considering dynamic tariff. iEnergy. (accepted)

6. Wei Feng, Liu Yang, Kai Sun*, Yuebin Zhou, Zhiyong Yuan. An economic performance improving and analysis for offshore wind farm-based islanded green hydrogen system. Energies. (early access)

7. Hongtao Li, Zijin Li, Bo Wang, Kai Sun*. Stochastic optimal operation of SOP-assisted active distribution networks with high penetration of renewable energy. Sustainability. (early access)

8. Wei Kong, Kai Sun*, Jinghong Zhao. Two-Stage Optimal Scheduling of Community Integrated Energy System Considering Operation Sequences of Hydrogen Energy Storage Systems. Journal of Modern Power Systems and Clean Energy.(early Access).

9. Hanyu Liu, Kai Sun*, Zheyuan Yi, Guoen Cao, Shilei Lu. Modeling and evaluation of winding loss for high-voltage planar transformer. IEEE Journal of Emerging and Selected Topics in Power Electronics. v13, n1 p. 904-920 Feb 2025.

10. Zheyuan Yi, Zengyang Liu, Kai Sun*, Bowen Su. A Simple Power Loss Evaluation Method for High-Frequency Transformers Based on Surface Temperature Measurement Within Wide Operation Range. IEEE Journal of Emerging and Selected Topics in Power Electronics. (early Access)

11. Shilei Lu, Kai Sun*, Zhiqiang Guo, Huan Chen, Guoen Cao. A high-accuracy gain model and improved design method for LLC converters in PV applications based on accurate time domain analysis. CSEE JPES. doi: 10.17775/CSEEJPES.2023.02180, 2024.

12. Bo Liu, Lei Chen, Kai Sun*, Xiaoyu Wang, Jian Zhao.A Hot Spot Identification Approach for Photovoltaic Module Based on Enhanced U-Net With Squeeze-and-Excitation and VGG19. IEEE Transactions on Instrumentation and Measurement. v73, p1-10, 2024.

13. Shimiao Chen, Yao Sun, Xiaochao Hou, Xinlong Zheng, Mei Su, Kai Sun. A First-Order PLL-Synchronized Voltage-Supporting Control Method for Parallel Inverters With Near-Zero Line Impedance. IEEE Transactions on Power Electronics. v39, n8, p9072-9078, Aug 2024.

14. Bo Liu, Kai Sun*, Xiaoyu Wang, Jian Zhao, Xiaochao Hou. Fault diagnosis of photovoltaic strings by using machine learning-based stacking classifier. IET Renewable Power Generation. v18, issue 3, p.384-397, 2024.

15. Xiangdong Wang, Lei Wang, Tiecheng Li, Hao Zhou, Xuekai Hu, XiaoChao Hou, Kai Sun*. Distributed voltage regulation strategy of low-voltage distribution network (LVDN) using photovoltaic (PV) reactive power and on-load tap changer transformers (OLTC). Electronics. v16, n1, 357. Jan 2023.

16. Jiamei Zhang, Kai Sun*, Canbing Li, Hanyu Yang, Bin Zhou, Xiaochao Hou, Rui Ge. MPC-based co-optimization of an integrated PV-EV-Hydrogen station to reduce network loss and meet EV charging demand. eTransportation. vol. 15, p. 100209, 2023.

17. Jiamei Zhang, Kai Sun*, Canbing Li, Xiaochao Hou, Weiwu Yan, Hao Yu, Rui Ge. Optimal design of a PV-BES system considering the impact of the converter capacity on the voltage support and the load supply. CSEE JPES. doi: 10.17775/CSEEJPES.2022.02440, 2023.

18. Haixu Shi, Kai Sun*, Yun Wei Li, Hongfei Wu. A closed-loop DC-transformer control method fordual-active-bridge interlinking converter in DC microgrids. CSEE JPES. doi: 10.17775/CSEEJPES.2021.08010, 2022.

19. Huan Chen, Leheng Wang, Kai Sun*. A switching delay strategy for sensorless synchronous rectification in CLLC converters. IEEE Transactions on Power Electronics. v39, n1, p280-293, Jan 2024.

20. Shilei Lu, Kai Sun, Zhiqiang Guo. A control strategy based on intermediate bus voltage information for wide-range high-efficiency step-up DC–DC converters. IEEE Access. v11, p142248-142262, Dec 2023.

21. Zheyuan Yi, Kai Sun*, Hanyu Liu, Quanliang Zhang. Modeling and evaluation of ferrite eddy losses in high-frequency transformers based on loss-effective conductivity extraction. IEEE Journal of Emerging and Selected Topics in Power Electronics. v11, n6, p.5990-6004, Dec 2023.

22. Xiaochao Hou, Kai Sun*, Xin Zhang, Yao Sun, Jinghang Lu. An improved decentralized control of cascaded inverters with robust stability against grid-voltage variation. IEEE Transactions on Energy Conversion. v38, n3, p2223-2226, Sep 2023.

23. Kai Sun*, Huan Chen, Languang Lu, Kai Zhang, Leheng Wang, Yudi Qin. A simplified sensorless synchronous rectification method for inner phase shift control in CLLC converters. IEEE Journal of Emerging and Selected Topics in Power Electronics. v11, n4, p3815-3826, Aug 2023.

24. Zhongshu Zheng, Li Zhang, Chao Wu, Yiming Wang, Zhengzi Lei, Kai Sun. Variable OFF-time and deadtime scheme with optimized control frequency for soft-switching single-phase inverters. IEEE Transactions on Power Electronics. v38, n4, p4972-4987, Apr 2023.

25. Jiamei Zhang, Kai Sun*, Canbing Li, Hui Liu, Wentao Huang, Bin Zhou, and Xiaochao Hou. Economic scheduling of gaseous-liquid hydrogen generation and storage plants considering complementarity of multiple products. Journal of Modern Power Systems and Clean Energy. v11, n1, p223-233, Jan 2023.

26. Haixu Shi, Kai Sun*, Xiaochao Hou, Yun Wei Li, Haihao Jiang. Equilibrium mechanism between dc voltage and ac frequency for ac-dc interlinking converters. iEnergy. v1 n3, p.279-284, Sep 2022.

27. Zheyuan Yi, Kai Sun*, Hanyu Liu, Guoen Cao, Shilei Lu. Design and optimization of the insulation of medium-voltage medium-frequency Transformers for Solid-state Transformers. IEEE Journal of Emerging and Selected Topics in Power Electronics. v10, n4, p3561-3570, Aug 2022.

28. Haixu Shi, Kai Sun*. Bridge-to-bridge independent control method for dual-active-bridge interlinking converter. IEEE Transactions on Power Electronics. v37, n8, p8757-8761, Aug 2022.

29. Xiaochao Hou, Kai Sun*, Ning Zhang, Fei Teng, Xin Zhang, Tim C. Green. Priority-driven self-optimizing power control scheme for interlinking converters of hybrid AC/DC microgrid clusters in decentralized manner. IEEE Transactions on Power Electronics. v37, n5, p5970-5983, May 2022.

30. Jiangfeng Wang, Kai Sun*, Cheng Xue, Tingting Liu, Yunwei Li. Multi-port DC-AC converter with differential power processing DC-DC converter and flexible power control for battery ESS integrated PV systems. IEEE Transactions on Industrial Electronics . v69, n5, p4879-4889, May 2022.

31. Pohan Chen, Kai Sun*, Chenghui Zhang, Bo Sun. A feasible zone analysis method with global partial load scanning for solving power flow coupling models of CCHP systems. Journal of Modern Power Systems and Clean Energy. v10, n2, p371-377, Mar 2022.

32. Dehong Zhou, Jiangfeng Wang, Yunwei Li, Jianxiao Zou, Kai Sun. Model predictive power control of grid-connected quasi single-stage converters for high-efficiency low-voltage ESS integration. IEEE Transactions on Industrial Electronics. v69, n2, p1124-1134, Feb 2022.

33. Huan Chen, Kai Sun*, Haixu Shi, Jung-Ik Ha, Sangwon Lee. A battery charging method with natural synchronous rectification features for full-bridge CLLC converters. IEEE Transactions on Power Electronics. v37, n2, p2139-2151, Feb 2022.

34. Huan Chen, Kai Sun*, Languang Lu, Shuoqi Wang, Minggao Ouyang. A constant current control method with improved dynamic performance for CLLC converters. IEEE Transactions on Power Electronics. v37, n2, p1509-1523, Feb 2022.

35. Xiaochao Hou, Kai Sun*, Xin Zhang, Yao Sun, Jinghang Lu. A hybrid voltage/current control scheme with low-communication burden for grid-connected series-type inverters in decentralized manner. IEEE Transactions on Power Electronics. v37, n1, p920-931, Jan 2022.

36. Jiangfeng Wang, Kai Sun*, Hongfei Wu, Jianxin Zhu, Yan Xing, Yunwei Li. Hybrid connected unified power quality conditioner integrating distributed generation with reduced power capacity and enhanced conversion efficiency. IEEE Transactions on Industrial Electronics . v68, n12, p12340-12352, Dec 2021.

37. Jiangfeng Wang, Kai Sun*, Hongfei Wu, Dehong Zhou, Yunwei Li. Virtual SVPWM based flexible power control for dual-DC-port DC-AC converters in PV-battery hybrid systems. IEEE Transactions on Power Electronics. v36, n10, p11431-11443, Oct 2021.

38. Wei Xing, Hewu Wang, Languang Lu, Xuebing Han, Kai Sun, Minggao Ouyang. An adaptive virtual inertia control strategy for distributed battery energy storage system in microgrids. Energy. v233, Oct 2021.

39. Zhiqiang Guo, Yong Luo, Kai Sun. Parameter identification of the series inductance in DAB converters. IEEE Transactions on Power Electronics. v36, n7, p7395-7399, Jul 2021.

40. Shuoqi Wang, Mingqiao Du, Languang Lu, Wei Xing, Kai Sun, Minggao Ouyang. Multi-Level energy management of a DC microgrid based on virtual-battery model considering voltage regulation and economic optimization. IEEE Journal of Emerging and Selected Topics in Power Electronics. v9, n3, p2881-2895, Jun 2021.

41. Dawei Chen, Canbing Li, Zhenci Xu, Kai Sun, Bin Zhou, Da Xu, Long Zhou. A novel solution for fault current suppression in transmission systems based on fault current splitters. Electric Power Systems Research. v194, 107050, May 2021.

42. Huan Chen, Kai Sun*, Hongsheng Chong, Zhe Zhang, You Zhou, Shujun Mu. A hybrid compensation scheme for the gate drive delay in CLLC converters. IEEE Journal of Emerging and Selected Topics in Power Electronics. v9, n1, p1119-1132, Feb 2021.

43. Xubin Liu, Canbing Li, Bin Zhou, Mohammad Shahidehpour, Kai Sun, Yijia Cao, Chen Chen. Multi-stage voltage support optimization for microgrids with multiple distributed generation units. IEEE Transactions on Smart Grid. v12, n1, p141-156, Jan 2021.

44. Yudi Xiao, Zhe Zhang, Michael A. E. Andersen, Kai Sun. Impact on ZVS operation by splitting inductance to both sides of transformer for 1-MHz GaN based DAB converter. IEEE Transactions on Power Electronics. v35, n11, p11988-12002, Nov 2020.

45. Tsai-Fu Wu, Chun-Wei Huang, Tzu-Chieh Chou, Kai Sun. Optimization of cell voltage and circulating current with zero-mean current command injection in modular multilevel converters. IEEE Transactions on Industrial Electronics. v67, n11, p9429-9438, Nov 2020.

46. Xuanrui Huang, Kai Sun, Xi Xiao. A neural network-based power control method for direct-drive wave energy converters in irregular waves. IEEE Transactions on Sustainable Energy. v11 n4, p2962-2971, Oct 2020.

47. Kai Sun*, Yucheng Gao, Huan Chen. Bi-directional high-conversion-ratio CLLC resonant converter with a new synchronous rectification scheme for low conduction loss. IEEJ Journal of Industry Applications. v9, n5, p1–8, Sep 2020.

48. Shuoqi Wang, Dongxu Guo, Xuebing Han, Languang Lu, Kai Sun, Weihan Li, Dirk Uwe Sauer, Minggao Ouyang. Impact of battery degradation models on energy management of a grid-connected DC microgrid. Energy. v207, 15 Sep 2020.

49. Jiangfeng Wang, Kai Sun*, Hongfei Wu, Li Zhang, Jianxin Zhu, Yan Xing. Quasi-two-stage multifunctional photovoltaic inverter with power quality control and enhanced conversion efficiency. IEEE Transactions on Power Electronics. v35, n7, p7073-7085, Jul 2020.

50. Xubin Liu, Canbing Li, Mohammad Shahidehpour, Xinyu Chen, Jun Yi, Qiuwei Wu, Kai Sun, Bin Zhou. Fault current mitigation and voltage support provision by microgrids with synchronous generators. IEEE Transactions on Smart Grid. v11, n4, p2816-2831, Jul 2020.

51. Haixu Shi, Kai Sun*, Hongfei Wu, Yunwei Li. A unified state-space modeling method for a phase-shift controlled bidirectional dual-active half-bridge converter. IEEE Transactions on Power Electronics. v35, n3, p3254-3265, Mar 2020.

52. Chao Wang, Kui Wang, Zedong Zheng, Kai Sun, Yongdong Li. Modulation induced current imbalance and its sensorless control of a GaN-based four-phase DC-DC power amplifier. IEEE Transactions on Industrial Electronics. v67, n2, p1520-1531, Feb 2020.

53. Tsai-Fu Wu, Tzu-Chieh Chou, Chun-Wei Huang, Kai Sun. Bi-directional grid-connected modular multilevel converters with direct digital control and D-Σ processes. IEEE Transactions on Power Electronics. v34, n11, p 11290-11299, Nov 2019.

54. Qinghao Zhang, Kai Sun*. A flexible power control for PV-battery-hybrid system using cascaded H-bridge converters. IEEE Journal of Emerging and Selected Topics in Power Electronics. v7, n4, p2184-2195, Dec 2019.

55. Chao Wang, Kui Wang, Zedong Zheng, Bo Yang, Kai Sun, Yongdong Li. Analysis and control of three-phase modular multilevel converters under the single arm fault condition. IEEE Transactions on Power Electronics. v 34, n 9, p 8293-8298, Sep 2019.

56. Hengwei Lin, Kai Sun*, Zheng-Hua Tan, Chengxi Liu, Josep M. Guerrero, Juan C. Vasquez. Adaptive protection combined with machine learning for microgrids. IET Generation, Transmission & Distribution. v 13, n 6, p 770-779, Jun 2019.

57. Hong Li, Xingran Zhao, Kai Sun*, Zhengmin Zhao, Guoen Cao, Trillion Q. Zheng. A non-segmented PSpice model of SiC MOSFET with temperature-dependent parameters. IEEE Transactions on Power Electronics. v 34, n 5, p 4603-4612, May 2019.

58. Hongfei Wu, Meng Han, Kai Sun. Dual-voltage-rectifier-based single-phase AC-DC converters with dual-DC-bus and voltage-sigma architecture for variable DC output applications. IEEE Transactions on Power Electronics. v 34, n 5, p 4208-4222, May 2019.

59. Qinghao Zhang, Xiangyang Xing, Kai Sun*. Space vector modulation method for simultaneous common mode voltage and circulating current reduction in parallel three-level inverters. IEEE Transactions on Power Electronics. v 34, n 4, p 3053-3066, Apr 2019.

60. Hongfei Wu, Kai Sun, Tingting Liu, Yan Xing. Isolated Buck-Boost converters with active-controlled three-level rectifier and dual-transformer structure for wide output voltage range applications. IET Power Electronics. v 12, n 2, p 184-194, Feb 2019.

61. Yangjun Lu, Kai Sun, Hongfei Wu, Xiaofeng Dong, Yan Xing. A three-port converter based distributed DC grid-connected PV system with autonomous output voltage-sharing control. IEEE Transactions on Power Electronics. v 34, n 1, p 325-339, Jan 2019.

62. Canbing Li, Xubin Liu, Kai Sun*, Yijia Cao, Fujun Ma, Bin Zhou. A hybrid control strategy to support voltage in industrial active distributi on networks. IEEE Transactions on Power Delivery. v33, n 6, p 2590-2602, Dec 2018.

63. Li Zhang, Kai Sun*, Mingchen Gu, Dewei Xu, Yifan Gu. A capacitor voltage balancing control method for five-level full-bridge grid-tied inverters without split-capacitor voltage sampling. IEEE Journal of Emerging and Selected Topics in Power Electronics. v 6, n 4, p 2042-2052, Dec 2018.

64. Farzam Nejabatkhah, Yun Wei Li, Kai Sun, Ruixue Zhang. Active power oscillation cancellation with peak current sharing in parallel interfacing converters under unbalanced voltage. IEEE Transactions on Power Electronics. v 33, n 12, p 10200-10214, Dec 2018.

65. Zhiqiang Guo, Kai Sun*. Three-level bidirectional DC–DC converter with an auxiliary inductor in adaptive working mode for full-operation zero-voltage switching. IEEE Transactions on Power Electronics. v 33, n 10, p 8537-8552, Oct 2018.

66. Kai Sun*, Xiang Lin, Yun Wei Li, Yucheng Gao, Li Zhang. Improved modulation mechanism of parallel-operated T-type three-level PWM rectifiers for neutral-point potential balancing and circulating current suppression. IEEE Transactions on Power Electronics. v 33, n 9, p 7466-7479, Sep 2018.

67. Li Zhang, Kai Sun*, Yun Wei Li, Xiaonan Lu, Jinquan Zhao. A distributed power control of series-connected module integrated inverters for PV grid-tied applications. IEEE Transactions on Power Electronics. v 33, n 9, p 7698-7707, Sep 2018.

68. Wei Feng, Kai Sun*, Yajuan Guan, Josep M. Guerrero, Xi Xiao. Active power quality improvement strategy for grid-connected microgrid based on hierarchical control. IEEE Transactions on Smart Grid. v 9, n 4, p 3486-3495, Jul 2018.

69. Zhiqiang Guo, Kai Sun*, Tsai-fu Wu, Canbing Li. An improved modulation scheme of current-fed bidirectional DC–DC converters for loss reduction. IEEE Transactions on Power Electronics. v 33, n 5, p 4441-4457, May 2018.

70. Haixu Shi, Xi Xiao, Hongfei Wu, Kai Sun*. Modeling and decoupled control of a buck-boost and stacked dual half-bridge integrated bidirectional dc-dc converter. IEEE Transactions on Power Electronics. v 33, n 4, p 3534-3551, Apr 2018.

71. Farzam Nejabatkhah, Yun Wei Li, Kai Sun. Parallel three-phase interfacing converters operation under unbalanced voltage in hybrid AC/DC microgrid. IEEE Transactions on Smart Grid. v 9, n 2, p 1310-1322, Mar 2018.

72. Kai Sun, Zhaoxin Qiu, Hongfei Wu, Yan Xing. Evaluation on high-efficiency thermoelectric generation systems based on differential power processing. IEEE Transactions on Industrial Electronics. v 65, n 1, p 699-708, Jan 2018.

73. Hong Li, Xingran Zhao, Wenzhe Su, Kai Sun, Trillion Q. Zheng, Xiaojie You. Non-segmented Pspice circuit model of GaN HEMT with simulation convergence consideration. IEEE Transactions on Industrial Electronics. v 64, n 11, p 8992-9000, Nov 2017.

74. Yangyang Zhao, Jianyun Chai, Shien Wang, Kai Sun. Instantaneous power calculation based on intrinsic frequency of single-phase virtual synchronous generator. Journal of Modern Power Systems and Clean Energy, v 5, n 6, p 970-978, Nov 2017.

75. Hongfei Wu, Shun Ding, Kai Sun, Yuewei Li, Yan Xing. A bidirectional soft-switching series-resonant converter with simple PWM control and load-independent voltage-gain characteristics for energy storage system in DC microgrids. IEEE Journal of Emerging and Selected Topics in Power Electronics. v 5, n 3, p 995-1007, Sep 2017.

76. Hongfei Wu, Kai Sun, Yuewei Li, Yan Xing. Fixed-frequency PWM-controlled bidirectional current-fed soft-switching series-resonant converter for energy storage applications. IEEE Transactions on Industrial Electronics. v 64, n 8, p 6190-6201, Aug 2017.

77. Xin Zhao, Josep M. Guerrero, Mehdi Savaghebi, Juan C. Vasquez, Xiaohua Wu, Kai Sun. Low-voltage ride-through operation of power converters in grid-interactive microgrids by using negative-sequence droop control. IEEE Transactions on Power Electronics. v 32, n 4, p 3128-3142, Apr 2017.

78. Kai Sun, Xiaosheng Wang, Yunwei Li, Farzam Nejabatkhah, Yang Mei, Xiaonan Lu. Parallel operation of bi-directional interfacing converters in a hybrid AC/DC microgrid under unbalanced grid voltage conditions. IEEE Transactions on Power Electronics. v 32, n 3, p 1872-1884, Mar 2017.

79. Zhiqiang Guo, Kai Sun*, Li Zhang. Analysis and evaluation of dual half-bridge cascaded three-level DC-DC converter for reducing circulating current loss. IEEE Journal of Emerging and Selected Topics in Power Electronics. v 5, n 1, p.351-362, Jan 2017.

80. Li Zhang, Kai Sun, Yan Xing, Jinquan Zhao. A family of five-level dual-Buck full-bridge inverters for grid-tied applications. IEEE Transactions on Power Electronics. v 31, n 10, p 7029-7042, Oct 2016.

81. Zhiqiang Guo, Kai Sun*, Deshang Sha. Improved ZVS three-level DC-DC converter with reduced circulating loss. IEEE Transactions on Power Electronics. v 31, n 9, p 6394-6404, Sep 2016.

82. Yangjun Lu, Hongfei Wu, Kai Sun*, Yan Xing. A family of isolated Buck-Boost converters based on semi-active rectifiers for high output voltage applications. IEEE Transactions on Power Electronics. v 31, n 9, p 6327-6340, Sep 2016.

83. Kai Sun, Yangjun Lu, Yan Xing, Lipei Huang. Modeling and analysis of leakage currents in PWM-VSI fed PMSM drives for air-condition with high accuracy and within wide frequency range. Journal of Power Electronics. v 16, n 3, p 970-981, May 2016.

84. Hongfei Wu, Kai Sun, Yan Xing. High step-up/step-down soft-switching bidirectional DC-DC converter with coupled-inductor and voltage matching control for energy storage systems. IEEE Transactions on Industrial Electronics. v 63, n 5, p 2892-2903, May 2016.

85. Hongfei Wu, Yangjun Lu, Kai Sun*, Yan Xing. Phase-shift controlled isolated Buck-Boost converter with active-clamped three-level rectifier (AC-TLR) featuring soft-switching within wide operation range. IEEE Transactions on Power Electronics. v 31, n 3, p 2372-2386, Mar 2016.

86. Hongfei Wu, Kai Sun*, Lili Zhu, Yan Xing. An interleaved half-bridge three-port converter with enhanced power transfer capability using three-leg rectifier for renewable energy applications. IEEE Journal of Emerging and Selected Topics in Power Electronics. v 4, n 2, p 606-616, Feb 2016.

87. Xiaonan Lu, Kai Sun*, Josep M. Guerrero, Juan C. Vasquez, Lipei Huang, Jianhui Wang. Stability enhancement based on virtual impedance for DC microgrids with constant power loads. IEEE Transactions on Smart Grid. v 6, n 6, p 2770-2783, Nov 2015.

88. Li, Zhang, Kai Sun, Yan Xing, Jinquan Zhao. Parallel operation of modular single-phase transformerless grid-tied PV inverters with common DC bus and AC bus. IEEE Journal of Emerging and Selected Topics in Power Electronics. v 3, n 4, p 858-869, Dec 2015.

89. Junjun Zhang, Hongfei Wu, Kai Sun, Yan Xing, Feng Cao. A novel dual-input Boost-Buck converter with coupled inductors for distributed thermoelectric generation system. Journal of Power Electronics. v 15, n 1, p 899-909, Jul 2015.

90. Xiaonan Lu, Kai Sun, Josep M. Guerrero, Juan C. Vasquez, Lipei Huang. Double-quadrant state-of-charge based droop control method for distributed energy storage systems in autonomous DC microgrids. IEEE Transactions on Smart Grid. v 6, n 1, p 147-157, Jan 2015.

91. Hongfei Wu, Chengan Wan, Kai Sun, Yan Xing. A high step-down multiple output converter with wide input voltage range based-on quasi two-stage architecture and dual-output LLC resonant converter. IEEE Power Electronics Letters. v 30, n 4, p 1793-1796, Apr 2015.

92. Kai Sun*, Hongfei Wu, Juejing Lu, Yan Xing, Lipei Huang. Improved modeling of medium voltage SiC MOSFET within wide temperature range. IEEE Transactions on Power Electronics. v 29, n 5, p 2229-2237, May 2014.

93. Li Zhang, Kai Sun, Yan Xing, Mu Xing. H6 transformerless full-bridge PV grid-tied inverters. IEEE Transactions on Power Electronics. v 29, n 3, p 1229-1238, Mar 2014.

94. Li Zhang, Kai Sun, Haibing Hu, Yan Xing. A system-level control strategy of photovoltaic grid-tied generation systems for European efficiency enhancement. IEEE Transactions on Power Electronics. v 29, n 7, p 3445-3453, Jul 2014.

95. Xiaonan Lu, Kai Sun, Josep M. Guerrero, Juan C. Vasquez, Lipei Huang. State-of-charge balance using adaptive droop control for distributed energy storage systems in DC microgrid applications. IEEE Transactions on Industrial Electronics. v 61, n 6, p 2804-2815, Jun 2014.

96. Xiaonan Lu, Josep M. Guerrero, Kai Sun, Juan C. Vasquez, Remus Teodorescu, Lipei Huang. Hierarchical control of parallel AC-DC converter interfaces for hybrid microgrids. IEEE Transactions on Smart Grid. v 5, n 2, p 683-692, Mar 2014.

97. Xiaonan Lu, J.M. Guerrero, Kai Sun*, J.C. Vasquez, J.C. An improved droop control method for DC microgrids based on low bandwidth communication with DC bus voltage restoration and enhanced current sharing accuracy. IEEE Transactions on Power Electronic. v 29, n 4, p 1880-1812, Apr 2014.

98. Li Zhang, Kai Sun, Lanlan Feng, Hongfei Wu, Yan Xing. A family of neutral point clamped full-bridge topologies for transformerless photovoltaic grid-tied inverters. IEEE Transactions on Power Electronics. v 28, n 2, p 730-739, Feb 2013.

99. Hongfei Wu, Kai Sun, Shun Ding, Yan Xing. Topology derivation of nonisolated three-port dc–dc converters from DIC and DOC. IEEE Transactions on Power Electronics. v 28, n 7, p 3297-3307, Jul 2013.

100. Hongfei Wu, Kai Sun, Runruo Chen, Haibing Hu, Yan Xing. Full-bridge three-port converters with wide input voltage range for renewable power systems. IEEE Transactions on Power Electronic. v 27, n 9, p 3965-3974, Sep 2012.

101. Yuchao Shi, Kai Sun, Lipei Huang, Yongdong Li. Online identification of permanent magnet flux based on extended Kalman filter for IPMSM drive with position sensorless control. IEEE Transactions on Industrial Electronics. v 59, n 11, p 4169-4178, Nov 2012.

102. Kai Sun, Li Zhang, Yan Xing, Josep M. Guerrero. A distributed control strategy based on DC bus signaling for modular photovoltaic generation systems with battery energy storage. IEEE Transactions on Power Electronics. v 26, n 10, p 3032-3045, Oct 2011.

103. Li Zhang, Kai Sun, Yan Xing, Lanlan Feng, Hongjuan Ge. A modular grid-connected photovoltaic generation system based on DC bus. IEEE Transactions on Power Electronics. v 26, n 2, p 523-531, Feb 2011.

104. Kai Sun, Qing Wei, Lipei Huang, Kouki Matsuse. An over-modulation method for PWM inverter fed IPMSM drive with single current sensor. IEEE Transactions on Industrial Electronics. v 57, n 10, p 3395-3404, Oct 2010.

(3) Selected Conference Papers Since 2010

1. Leheng Wang, Huan Chen, Kai Sun. A modulation scheme of CLLC converters for bidirectional power transfer with reduced switching frequency range. Proceedings of 2024 IEEE Energy Conversion Congress and Exposition (ECCE), Oct 2024, Phoenix, USA.

2. Jingjing Qi, Xuezhi Wu, Wenzheng Xu, Kai Sun. Quasi-parallel resonant switched capacitor DC-DC converter with continuous voltage regulation capability. Proceedings of 2024 IEEE Energy Conversion Congress and Exposition (ECCE), Oct 2024, Phoenix, USA.

3. Qiang Bi, Kai Sun. Advanced photovoltaic flexible power control method under fast changing irradiance in distributed PV-BESS system. Proceedings of 2024 IEEE 15th International Symposium on Power Electronics for Distributed Generation Systems (PEDG), Jun 2024, Luxembourg, Luxembourg.

4. Jiamei Zhang, Kai Sun. Regional optimal scheduling of distribution network based on soft open point. Proceedings of 2024 IEEE 10th International Power Electronics and Motion Control Conference (IPEMC2024-ECCE Asia), May 2024, Chengdu, China.

5. Bowen Su, Kai Sun, Min Yang, Yunhao Xiao, Kai Zhang, Bo Liu. A Core Loss Estimation Method Based on Data-driven Technology with Multi-head Attention Mechanism. 2024 IEEE 10th International Power Electronics and Motion Control Conference (IPEMC2024-ECCE Asia), May 2024, Chengdu, China.

6. Zheyuan Yi, Zengyang Liu, Kai Sun, Xi Xiao. Modeling and Design of High-Frequency Magnetic Components with Large Air Gaps for Electric Vehicle Charger Application. 2023 11th International Conference on Power Electronics and ECCE Asia (ICPE 2023 - ECCE Asia), 22 August 2023, Jeju Island, Korea.

7. Wei Kong, Kai Sun, Jinghong Zhao, Jian Xu, Xiaoping Yang. A Two-Stage Robust Optimal Economic Scheduling Method for an Electricity-Hydrogen Coupled Microgrid with Local Hydrogen Sales. 2024 IEEE 7th International Electrical and Energy Conference (CIEEC),15 July 2024, Harbin, China.

8. Kai Zhang, Hanyu Liu, Kai Sun. A Simple Open-loop Soft Startup Method Based on Operation Mode Analysis for LCC Converters Used in High-voltage DC Power Supply. 2024 IEEE 10th International Power Electronics and Motion Control Conference (IPEMC2024-ECCE Asia), 02 July 2024, Chengdu, China.

9. Hanyu Liu, Kai Sun, Guoen Cao, Zheyuan Yi. Analysis and enhancement of high voltage insulation for planar transformer. 2023 IEEE Energy Conversion Congress and Exposition (ECCE), 29 December 2023, Nashville, TN, USA.

10. Zengyang Liu, Kai Sun, Zheyuan Yi. Optimal Design of Full-Bridge Three-Level LLC Converter Based on Time-Domain Analysis. 2023 IEEE 2nd International Power Electronics and Application Symposium (PEAS), 25 January 2024, Guangzhou, China.

11. Youpeng Zhang, Naiyuan Fan, Qiang Bi, Yuhui Liang, Kai Sun, Yujing Guo. Single Current Sensor Based Flexible Power Point Tracking Algorithm of PV Inverter. 2023 IEEE 7th Conference on Energy Internet and Energy System Integration (EI2), 09 May 2024, Hangzhou, China.

12. Jiamei Zhang, Kai Sun. Regional optimal scheduling of distribution network based on soft open point. 2024 IEEE 10th International Power Electronics and Motion Control Conference (IPEMC2024-ECCE Asia), 02 July 2024, Chengdu, China

13. Lei Chen, Bo Liu, Kai Sun, Jian Zhao. Photovoltaic Module Hot Spot Detection Using Conditional Generative Adversarial Network. 2023 IEEE 2nd International Power Electronics and Application Symposium (PEAS), 25 January 2024, Guangzhou, China.

14. Shimiao Chen, Xiaochao Hou, Yao Sun, Kai Sun. Building synchronization equivalence between droop-based grid-forming and PLL-based grid-following inverters. Proceedings of 2023 IEEE PELS Students and Young Professionals Symposium (SYPS), Aug 2023, Shanghai, China.

15. Bo Liu, Kai Sun, Xiaoyu Wang, Lei Chen, Jian Zhao. Crack detection and evaluation of photovoltaic modules based on data-driven. Proceedings of 2023 IEEE PELS Students and Young Professionals Symposium (SYPS), Aug 2023, Shanghai, China.

16. Jianjing Li, Kai Sun, Bo Sun. A robust optimal configuration method for microgrid considering multi-interval uncertainty of renewable energy and load. Proceedings of 2023 IEEE PELS Students and Young Professionals Symposium (SYPS), Aug 2023, Shanghai, China.

17. Zheyuan Yi, Kai Sun, Zhi-Min Dang, Yanhui Song, Zengyang Liu. Design of medium-voltage high-frequency transformers based on high-thermal-conductivity insulation material. Proceedings of 2023 IEEE PELS Students and Young Professionals Symposium (SYPS), Aug 2023, Shanghai, China.

18. Kai Zhang, Hanyu Liu, Kai Sun. A parameter design strategy based on operation mode analysis method for LCC converter used in high-voltage DC power supply. Proceedings of 2023 IEEE PELS Students and Young Professionals Symposium (SYPS), Aug 2023, Shanghai, China.

19. Lei Chen, Bo Liu, Kai Sun, Jian Zhao. A hot spot detection method of photovoltaic module based on image semantic segmentation. Proceedings of 2023 IEEE 6th International Electrical and Energy Conference (CIEEC), May 2023, Hefei, China.

20. Kai Sun, Jiamei Zhang, Canbing Li, Kan Feng, Pei Sun. Optimal scheduling of active/reactive power for inverter interfaced distributed generators during voltage sags. Proceedings of 2022 4th International Conference on Smart Power & Internet Energy Systems (SPIES), Dec 2022.

21. Kai Zhang, Huan Chen, Kai Sun. A constant frequency constant duty cycle soft startup control method with energy limitation features for CLLC converters. Proceedings of 2022 4th International Conference on Smart Power & Internet Energy Systems (SPIES), Dec 2022.

22. Guoen Cao, Kai Sun, Huairun Chen, Yibo Wang. A high voltage gain three phase cascaded DC/DC converter. Proceedings of 2022 IEEE International Power Electronics and Application Conference and Exposition (PEAC), Nov 2022.

23. Zheyuan Yi, Kai Sun, Hanyu Liu, Quanliang Zhang. Reduction methodology of eddy losses in Ferrite cores for high-frequency transformers based on loss-effective conductivity extraction. Proceedings of 2022 IEEE Energy Conversion Congress and Exposition (ECCE2022), Oct 2022, Detroit, USA.

24. Hanyu Liu, Kai Sun, Guoen Cao, Zheyuan Yi, Shilei Lu. Modeling and evaluation of winding losses in high voltage planar transformers. Proceedings of 2022 IEEE Energy Conversion Congress and Exposition (ECCE2022), Oct 2022, Detroit, USA.

25. Leheng Wang, Huan Chen, Kai Sun. A synchronous rectification method with switching delay for CLLC converters to achieve secondary-side ZVS. Proceedings of 2022 IEEE Energy Conversion Congress and Exposition (ECCE2022), Oct 2022, Detroit, USA.

26. Pohan Chen, Kai Sun, Xiaochao Hou. Control strategy of multi-level converters for soft open point applications. Proceedings of 2022 IEEE 13th International Symposium on Power Electronics for Distributed Generation Systems (PEDG), Jun 2022.

27. Huan Chen, Kai Sun, Haixu Shi, Leheng Wang, Kai Zhang. An inner phase shift control scheme for the CLLC converter. Proceedings of 2022 International Power Electronics Conference (IPEC-Himeji 2022- ECCE Asia), May 2022.

28. Pohan Chen, Kai Sun. Comparison of neutral-point balancing mechanism in parallel-operated T-type three-level PWM AC/DC interface converters. Proceedings of 2021 International Conference on Power System Technology (POWERCON), Dec 2021.

29. Hanyu Liu, Kai Sun, Guoen Cao, Zheyuan Yi, Shilei Lu. Design and optimization of high insulation voltage planar transformer for DC-DC converters. Proceedings of 2021 IEEE 1st International Power Electronics and Application Symposium (PEAS), Nov 2021.

30. Jiangfeng Wang, Kai Sun, Yunwei Li. A virtual SVPWM based power control scheme for multi-port DC-AC converters in PV-battery hybrid systems. Proceedings of 2021 IEEE Energy Conversion Congress and Exposition (ECCE), Oct 2021.

31. Huan Chen, Kai Sun, Languang Lu, Shuoqi Wang, Hongsheng Chong, Yudi Qin. A constant current control method with improved dynamic performance for CLLC converters. Proceedings of 2021 IEEE Energy Conversion Congress and Exposition (ECCE), Oct 2021.

32. Xiaochao Hou, Kai Sun. An improved decentralized control of grid-connected cascaded inverters with different power capacities. Proceedings of 2021 IEEE 12th International Symposium on Power Electronics for Distributed Generation Systems (PEDG2021), Jun 2021.

33. Shuoqi Wang, Jian Dang, Xuebing Han, Languang Lu, Hewu Wang, Minggao Ouyang, Kai Sun. A semi-decentralized control strategy of a PV-based microgrid with battery energy storage systems for electric vehicle charging and hydrogen production. Proceedings of 2021 IEEE 4th International Electrical and Energy Conference (CIEEC2021), May 2021.

34. Hang Zhou, Matthew Priestley, John Fletcher, Kai Sun. A gate driver with a negative turn off bias voltage for GaN HEMTs. Proceedings of IEEE ECCE-Asia 2020, Dec 2020.

35. Huan Chen, Hongsheng Chong, Kai Sun, You Zhou, Hang Zhou, John Fletcher. A voltage-fed control method with automatic bidirectional power switching capability for CLLC and SR Buck based two stage converters. Proceedings of IEEE ECCE-Asia 2019, Dec 2019.

36. Zheyuan Yi, Hanyu Liu, Kai Sun. A novel calorimetric loss measurement method for high-power high-frequency transformer based on surface temperature measurement. Proceedings of HVDC 2020, Nov 2020, Xi’an, China

37. Liangliang Guo, Lie Xu, Kai Sun, Yongdong Li. Stability analysis of stand-alone photovoltaic system considering controller time delay. Proceedings of IEEE EI2 2020, Oct 2020, Wuhan, China.

38. Shuoqi Wang, Yifan Wei, Languang Lu, Kai Sun, Minggao Ouyang. A novel framework for optimal sizing of a DC microgrid considering energy management and battery degradation. Proceedings of IEEE EI2 2020, Oct 2020, Wuhan, China.

39. Haixu Shi, Kai Sun. Dual-port machine imitation control for AC-DC interlinking converters in hybrid microgrids. Proceedings of IEEE EI2 2020, Oct 2020, Wuhan, China.

40. Zheyuan Yi, Kai Sun, Shilei Lu, Guoen Cao, Yongdong Li, Jung-Ik Ha. High-precision simulation for structure and efficiency optimization of high-power high-frequency transformer. Proceedings of IEEE ECCE2020, Oct 2020.

41. Shilei Lu, Kai Sun, Guoen Cao, Zheyuan Yi, Hanyu Liu, Yongdong Li. A high efficiency and high power SiC DC-DC converter based on interleaved-Boost and full-bridge LLC integration for PV applications. Proceedings of IEEE ECCE2020, Oct 2020.

42. Li Ding, Yun Wei Li, Kai Sun. Discontinuous bi-tri logic SPWM for current source converter with optimized zero-state replacement. Proceedings of IEEE APEC2020, Mar 2020.

43. Hengwei Lin, Kai Sun, Zheng-Hua Tan, Josep M. Guerrero. Active reconfigurable operation with long short-term memory prediction for smart city microgrids. Proceedings of IEEE eGrid2019, Nov 2019, Xiamen, China.

44. Hong Li, Yuting Wang, Xingran Zhao, Kai Sun, Zhe Zhou, Yunfei Xu. A junction temperature-based PSpice short-circuit model of SiC MOSFET considering leakage current. Proceedings of IEEE IECON2019, Oct 2019, Lisbon, Portugal.

45. Bohan Chen, Kai Sun, Chenghui Zhang, Bo Sun. A system state modeling and ABC algorithm optimization for CCHP and smart building. Proceedings of IET RPG2019, Oct 2019, Shanghai, China.

46. Mengxi Li, Hongfei Wu, Chengzhi Qu, Yuhui Ji, Yangjun Lu, Yan Xing, Kai Sun. Ultra-wide output voltage range DC power supply with multiple power modules series/parallel variable structure and automatic voltage/current sharing. Proceedings of IEEE ECCE2019, Oct 2019, Baltimore, USA.

47. Haixu Shi, Kai Sun, Yunwei Li, Hongfei Wu. Virtual transformer control for DC-DC interlinking converters in DC microgrids. Proceedings of IEEE ECCE2019, Oct 2019, Baltimore, USA.

48. Huan Chen, Kai Sun, Hongsheng Chong, Zheyuan Yi, Shujun Mu, Yang Mei. A comprehensive analysis of gate drive delay in CLLC converters and its compensation method. Proceedings of IEEE ECCE2019, Oct 2019, Baltimore, USA.

49. Hongsheng Chong, Huan Chen, Kai Sun, Jin Lin, Shujun Mu, You Zhou. Efficiency evaluation of Si-based and GaN-based interleaved Buck/Boost converters for energy storage systems. Proceedings of ICEMS2019, Aug 2019, Harbin, China.

50. Jiangfeng Wang, Hongfei Wu, Kai Sun, Li Zhang. A high efficiency quasi-single-stage unified power quality conditioner integrating distributed generation. Proceedings of IEEE PEDG2019, Jun 2019, Xi’an, China.

51. Tsai-Fu Wu, Tzu-Chieh Chou, Kai Sun. Direct digital controlled modular multilevel converters with cell-distributed controllers and hot-swap features. Proceedings of IEEE PEDG2019, Jun 2019, Xi’an, China.

52. Yixi Feng, Georgios Konstantinou, Branislav Hredzak, John Fletcher, Kai Sun. Topologies for reduction of second harmonic ripple in battery energy storage systems. Proceedings of IEEE PEDG2019, Jun 2019, Xi’an, China.

53. Shilei Lu, Kai Sun, Guoen Cao, Yongdong Li, Jung-Ik Ha, Geon-Hong Min. A high step-up modular isolated DC-DC converter for large capacity photovoltaic generation system integrated into MVDC grids. Proceedings of IEEE ECCE-Asia2019, May 2019, Busan, Korea.

54. Zheyuan Yi, Huan Chen, Kai Sun, John Fletcher, Georgios Konstantinou, Branislav Hredzak. Analysis and mitigation of oscillations in bi-directional CLLC resonant converters. Proceedings of IEEE ECCE-Asia2019, May 2019, Busan, Korea.

55. Jian Zhao, Xinxi Tang, Hongfei Wu, Yan Xing, Kai Sun. An improved LLC resonant converter with variable-rectifier for electric-vehicle charger application. Proceedings of IEEE ECCE-Asia2019, May 2019, Busan, Korea.

56. Xinxi Tang, Yan Xing, Hongfei Wu, Kai Sun, Xudong Ma. An improved LLC resonant converter with phase shift controlled dynamic series-parallel reconfiguration-windings for hold-up applications. Proceedings of IEEE APEC2019, Mar 2019, Anaheim, CA, USA.

57. Jiaxiang Sun, Xinxi Tang, Yan Xing, Baolin Chen, Hongfei Wu, Kai Sun. Current sharing control of interleaved LLC resonant converter with hybrid rectifier. Proceedings of IEEE APEC2019, Mar 2019, Anaheim, CA, USA.

58. Milad Momayyezan, Branislav Hredzak, John Fletcher, Kai Sun. A reconfigurable converter with bidirectional energy transfer. 2019 20th IEEE International Conference on Industrial Technology (ICIT 2019), Feb 2019, Melbourne, Australia.

59. Shilei Lu, Kai Sun, Haixu Shi, Siyue Jiang, Yun Wei Li. Comparison of high power DC-DC converters for photovoltaic generation integrated into medium voltage DC grids. 2018 IEEE International Power Electronics and Application Conference and Exposition (PEAC2018), Nov 2018, Shenzhen, China.

60. Wei Kong, Keqing Qu, Xiang Lin, Kai Sun, Shujun Mu, You Zhou. Loss comparison of two bidirectional isolated DC/DC converters for reversible solid oxide fuel cell systems. 2018 IEEE International Power Electronics and Application Conference and Exposition (PEAC), Nov. 2018, Shenzhen, China.

61. Haixu Shi, Kai Sun, Hongfei Wu, Yunwei Li, Xi Xiao. Unified state-space modeling method for dual-active-bridge converters considering bidirectional phase shift. Proceedings of IEEE ECCE2018, Sep 2018, Portland, USA.

62. Siyue Jiang, Kai Sun, Hongfei Wu, Haixu Shi, Xiaofeng Dong, Syed Muhammad Raza Kazmi. An improved master-slave control for three-port converter based distributed dc grid-connected PV system. Proceedings of IEEE ECCE-Asia2018, May 2018, Niigata, Japan.

63. Xiang Lin, Kai Sun, Jin Lin, Zhe Zhang, Wei Kong. A multi-port bidirectional power conversion system for reversible solid oxide fuel cell applications. Proceedings of IEEE ECCE-Asia2018, May 2018, Niigata, Japan.

64. Yucheng Gao, Kai Sun, Xiang Lin, Zhiqiang Guo. A phase-shift-based synchronous rectification scheme for bi-directional high-step-down CLLC resonant converters. Proceedings of IEEE APEC2018, Mar 2018, San Antonio, TX, USA.

65. Yuan Xu, Chunxue Zhang, Tao Li, Kai Sun, Ke Wang, Canbing Li, Wei Feng. A coordinated control strategy for suppressing transient power fluctuation of power conversion system and stabilizing AC bus voltage. Proceedings of IEEE EI2 2017, Nov 2017, Beijing, China.

66. Ruixue Zhang, Hui Zhang, Wei Feng, Kai Sun. Small signal analysis of photovoltaic-energy storage integrated virtual synchronous generator. Proceedings of IEEE IECON2017, Nov 2017, Beijing, China.

67. Guoen Cao, Zhicheng Guo, Yibo Wang, Kai Sun. A high step-up modular DC/DC converter for photovoltaic generation integrated into DC grids. Proceedings of IEEE IECON2017, Nov 2017, Beijing, China.

68. Wei Feng, Kai Sun, Yajuan Guan, Josep M. Guerrero, Xi Xiao. A PCC voltage power quality restoring strategy based on the droop controlled grid-connecting microgrid. Proceedings of IET RPG2017, Oct 2017.

69. Zhiqiang Guo, Kai Sun, Tsai-Fu Wu. Three-level dual active bridge with auxiliary inductor for wide zero voltage switching for energy storage system in DC microgrid. Proceedings of ICEMS2017, Aug 2017.

70. Xiang Lin, Kai Sun, Yucheng Gao, Li Zhang. Analysis and suppression of circulating currents in parallel-operated T-type three-level PWM rectifiers. Proceedings of IEEE IFEEC2017, Jun 2017.

71. Zhiqiang Guo, Kai Sun. Three level DC-DC converter based on cascaded dual half-bridge converter for circulating loss reduction. Proceedings of IEEE ECCE2016, Sep 2016.

72. Mingchen Gu, Li Zhang, Kai Sun, Yan Xing, Peng Xu. Cost effective capacitor voltage balancing control for five-level grid-tied inverters. Proceedings of IEEE ECCE2016, Sep 2016.

73. Haixu Shi, Xi Xiao, Hongfei Wu, Kai Sun. Modeling and decoupled control of a non-isolated high step-up/down bidirectional DC-DC converter. Proceedings of IEEE ECCE2016, Sep 2016.

74. Li Zhang, Tao Zhu, Lin Chen, Kai Sun. A systematic topology generation method for dual-buck inverters. Proceedings of IEEE ECCE2016, Sep 2016.

75. Wei Feng, Kai Sun, Yajuan Guan, Josep M. Guerrero, Xi Xiao. The frequency fluctuation impact analysis for the droop controlled grid-connecting inverter in microgrid. Proceedings of IEEE ECCE-Asia2016, May 2016.

76. Zhiqiang Guo, Kai Sun, Deshang Sha. Circulating current reduced three level DC-DC converter with two transformers for battery chargers. Proceedings of IEEE ECCE-Asia2016, May 2016.

77. Zhaoxin Qiu, Kai Sun, Hongfei Wu. Cascaded power balancing mechanism based on resonant switched capacitor topology for photovoltaic system. Proceedings of IEEE ECCE-Asia2016, May 2016.

78. Xubin Liu, Canbing Li, Kai Sun. Voltage support for industrial distribution network by using positive/negative sequence passivity-based control. Proceedings of IEEE ECCE-Asia2016, May 2016.

79. Farzam Nejabatkhah, Yun Wei Li, Kai Sun. Peak current-based control of parallel three-phase interfacing converters operation under unbalanced voltage. Proceedings of IEEE ECCE-Asia2016, May 2016.

80. Lei Zhang, Haixu Shi, Kai Sun, Xi Xiao, Xiaonan Lu. A smooth switch method for battery energy storage systems between Vf mode and PQ mode by utilizing electromagnetic relay. Proceedings of IEEE ECCE-Asia2016, May 2016.

81. Yalong Wei, Hui Zhang, Qiong Song, Kai Sun. Control strategy for parallel-operated virtual synchronous generators. Proceedings of IEEE ECCE-Asia2016, May 2016.

82. Tingting Liu, Hongfei Wu, Yan Xing, Kai Sun. An isolated soft-switching Buck-Boost converter utilizing two transformers and embedded bidirectional switches on secondary-side for wide voltage applications. Proceedings of IEEE APEC2016, Mar 2016.

83. Adriana Luna, Nelson Diaz, Mehdi Savaghebi, Juan C. Vasquez, Josep M. Guerrero. Kai Sun, Guoliang Chen, Libing Sun. Optimal power scheduling for a grid-connected hybrid PV-wind-battery microgrid system. Proceedings of IEEE APEC2016, Mar 2016.

84. Kai Sun, Xiaosheng Wang, Zhaoxin Qiu, Hongfei Wu, Yan Xing. A PV generation system based on centralized-distributed structure and cascaded power balancing mechanism for DC microgrids, Proceedings of IEEE IFEEC2015, Nov 2015.

85. Wei Feng, Kai Sun, Yajuan Guan, Josep M. Guerrero, Xi Xiao. A harmonic current suppression control strategy for droop-controlled inverter connected to the distorted grid, Proceedings of IEEE ECCE2015, Sep 2015.

86. Xiaosheng Wang, Kai Sun, Yunwei Li, Farzam Nejabatkhah, Yang Mei. Parallel operation of bi-directional interfacing converters in a hybrid AC/DC microgrid under unbalanced grid conditions, Proceedings of IEEE ECCE2015, Sep 2015.

87. Li Zhang, Kai Sun, Zhen Huang, Yun Wei Li. A grid-tied photovoltaic generation system based on series-connected module integrated inverters with adjustable power factor, Proceedings of IEEE ECCE2015, Sep 2015.

88. Zhaoxin Qiu, Kai Sun, Hongfei Wu, Jun Huang, Yan Xing. A high efficiency cascaded thermoelectric generation system with power balancing mechanism, Proceedings of IEEE APEC2015, Mar 2015.

89. Zhen Huang, Kai Sun, Yang Mei. A specific analysis model of three-level NPC inverter fed adjustable speed drive system with high accuracy, Proceedings of ICEMS2014, Oct 2014.

90. Xiaonan Lu, Kai Sun, Lipei Huang, Josep M. Guerrero, Juan C. Vasquez. Virtual impedance based stability improvement for DC microgrids with constant power loads, Proceedings of IEEE ECCE2014, Sep 2014.

91. Zhen Huang, Kai Sun, Li Zhang. A high light-load efficiency dual active bridge converter with split inductors, Proceedings of IEEE ITEC2014, Sep 2014.

92. Xiaonan Lu, Kai Sun, Josep M. Guerrero, Juan C. Vasquez, Lipei Huang. Droop-control-based state-of-charge balancing method for charging and discharging process in autonomous DC microgrids, Proceedings of IEEE ISIE2014, June 2014, p 2359-2364.

93. Kai Sun, Yuchao Shi, Lipei Huang, Yongdong Li, Xi Xiao. A 2-D fuzzy logic based MRAS scheme for sensorless control of interior permanent magnet synchronous motor drives with cyclic fluctuating loads, Proceedings of IEEE APEC2014, March 2014, p 2475-2481.

94. Xiaonan Lu, Kai Sun, Lipei Huang, Marco Lissere, Frede Blaabjerg. An active damping method based on biquad digital filter for parallel grid-interfacing inverters with LCL filters, Proceedings of IEEE APEC2014, March 2014, p 392-397.

95. Li Zhang, Kai Sun, Lipei Huang, Seiki Igarashi. Comparison of RB-IGBT and normal IGBT in T-type three-level inverter, Proceedings of EPE2013, September 2013, p 1-7.

96. Li Zhang, Kai Sun, Yu Fang. An optimized common mode voltage reduction PWM strategy for T-type three phase three level photovoltaic grid-tied inverter, Proceedings of IEEE ECCE2013, September 2013, p 1623-1627.

97. Hongfei Wu, Kai Sun, Min Chen, Zhe Chen, Yan Xing, Xudong Ma. Hybrid centralized-distributed power conditioning system for thermoelectric generator with high energy efficiency, Proceedings of IEEE ECCE2013, September 2013, p 4659-4664.

98. Yuchao Shi, Kai Sun, Lipei Huang, Yongdong Li, Xi Xiao. A fuzzy logic based parameter auto-tuning method in MRAS for sensorless interior permanent magnet synchronous motor drives with cyclic fluctuating load, Proceedings of ICEMS2013, October 2013, p1010-1014.

99. Juejing Lu, Kai Sun, Hongfei Wu, Yan Xing, Lipei Huang. Modeling of SiC MOSFET with temperature dependent parameters and its applications, Proceedings of IEEE APEC2013, March 2013, p 540-544.

100. Yuchao Shi, Kai Sun, Lipei Huang, Yongdong Li, Xi Xiao. Control of interior permanent magnet synchronous motor drives with cyclic fluctuating load, Proceedings of ICEMS2012, October 2012, p 1-5.

101. Xiaonan Lu, Kai Sun, J.M. Guerrero, Lipei Huang. SoC-based dynamic power sharing method with AC-bus voltage restoration for microgrid applications, Proceedings of IEEE IECON2012, October 2012, p 5661-5666.

102. Yuchao Shi, Kai Sun, Yan Guo, Xiaohua Jiang, Lipei Huang, Yongdong Li. An improved rotor speed estimation method of IPMSM drives with cyclic fluctuating load, Proceedings of IEEE IECON2012, October 2012, p 1663-1668.

103. Hongfei Wu, Kai Sun, Zihu Zhou, Yan Xing. An integrated four-port full-bridge converter with DMPPT for renewable power system, Proceedings of PEDG2012, June 2012, p 895-900.

104. Xiaonan Lu, Kai Sun, J. M. Guerrero, J.C. Vasquez, Lipei Huang, R. Teodorescu. SoC-based droop method for distributed energy storage in DC microgrid applications, Proceedings of IEEE ISIE2012, May 2012, p 1640-1645.

105. Long-xian Ni, Kai Sun, Hong-fei Wu, Zhe Chen, Yan Xing. A high efficiency step-up DC-DC converter for thermoelectric generator with wide input voltage range, Proceedings of IEEE ISIE2012, May 2012, p 52-57.

(4) Selected Authorized Patent

• HuanChen, Kai Sun, Haixu Shi. The internal phase shift control method and sensorless synchronous rectification control method of CLLC converter. 202111308441.4

• Jiangfeng Wang, Kai Sun, Haixu Shi. Control system and method for medium-voltage photovoltaic distribution system, US Patent US 11,770,008 B2

• Xiaochao Hou, Kai Sun. Distributed energy-saving control method and device for series-parallel battery energy storage system. 202110491064.6

• Huan Chen, Kai Sun. Sensorless synchronous rectification parameter matching method, control method and storage medium. 202110626126.X

• Hengwei Lin, Kai Sun, Micro-grid reconstruction method and device, micro-grid protection control center, and storage medium, US Patent 17/254,244

• Zheyuan Yi, Kai Sun. High frequency transformer loss measurement system and method. 202011319090.2

• K. Sun, Y. Lu, H. Wu, Control method and control system for a distributed power source energy generation system, US Patent 16/475,636

• Haixu Shi, Kai Sun, Xi Xiao. Constant proportional control method and system for port voltage of DC bus interface converter. 202010262674.4

• Hengwei Lin, Kai Sun. AC/DC hybrid microgrid and its protection control center and protection control method. 201810631216.6

• Hong Li, Xingran Zhao，Kai Sun, etc. Method for establishing non-segmented GaN HEMT model. 201710216087.X

• Zhiqiang Guo, Kai Sun. Photovoltaic charging system and its charging control method. 201610523214.6

• Yangjun Lu, Hongfei Wu, Kai Sun. Control method and control system of distributed generation system. 201710014053.2

• Wei Feng, Kai Sun. Harmonic current suppression device and method for voltage source grid connected inverter. 201510424909.4

• Li Zhang, Kai Sun, Zhen Huang, Jinquan Zhao. An inverter and its control method. 201510052279.2

• Zhen Huang, Kai Sun, Li Zhang. An isolated bi-directional DC-DC converter. 201310726086.1

• Hongfei Wu, Kai Sun, Yan Xing. A three-port full-bridge inverter and its control method converter. 201210148917.7

• Hongfei Wu, Kai Sun, Yan Xing. A series-connected distributed renewable generation system and its control method. 2012104474243

• Hongfei Wu, Kai Sun, Yan Xing. A four-port DC converter. 201110162124.6

• Li Zhang, Lanlan Feng, Yan Xing, Kai Sun. Control of parallel-operated modular full-bridge grid-connected inverters. 201010017906.6

• Kai Sun, Qing Wei, Lipei Huang, Hongyan Ma, Yuchao Shi. A current reconstruction overmodulation device and method for air-condition inverters. 200910092345.3

• Kui Liu, Kai Sun, Lipei Huang. PMSM-compressor system high speed operation control method. 200810101497.0

Honors and Awards

(1) Personal Awards

• IEEE Fellow, 2024

• World’s Top 2% Scientists, 2023

• Highly Cited Chinese Researchers (Elsevier), 2023

• Highly Cited Chinese Researchers (Elsevier), 2022

• Highly Cited Chinese Researchers (Elsevier), 2021

• IEEE Power Electronics Society Distinguished Lecturer, 2021-2024

• IEEE Transactions on Power Electronics' Outstanding Reviewers, 2019

• IET Fellow, 2019

• China Power Supply Society (CPSS) Youth Award, 2017

• Outstanding Contribution Award of Journal of Modern Power Systems and Clean Energy, 2015

• Delta Young Scholar, 2013

• Beijing Higher Education Young Elite Teacher Project, 2013

• Excellent Postdoctoral Award, 2007

(2) Research Award

• First Prize in Power Innovation, China Electricity Council, 2024

• Best Technological Innovation Achievement in Electrical Artificial Intelligence, China Electrotechnical Society, 2024

• First Prize in Science and Technology, China Power Supply Society, 2024

• The 8th Excellent Scientific and Technological Paper, China Association for Science and Technology, 2023

• IEEE Transactions on Power Electronics Prize Paper Award, 2022

• First Prize in Science and Technology Award，Jiangsu Province, 2022

• Silver Medal at International Exhibition of Inventions of Geneva, 2022

• First Prize in Scientific and Technological Progress, China Electrotechnical Society, 2021

• Excellent Closing Project Award, National Natural Science Foundation of China, 2020

• Second Prize in Science and Technology Award, Jiangsu Province, 2020

• Second Prize in Science and Technology Award, Jiangsu Province, 2019

• Gold Medal at International Exhibition of Inventions of Geneva, 2018

• First Prize in Natural Science, Ministry of Education of China, 2017

• Excellent Closing Project Award, National Natural Science Foundation of China, 2016

• ICEMS2014 Best Paper Award, 2014

• First Prize in Science & Technology, China Electrotechnical Society, 2013

(3) Teaching Award

• Premium course - Power Electronics Fundamentals, Tsinghua University, 2021

• Second Prize of Teaching Achievements, Tsinghua University, 2019

• Second Prize of Teaching Achievements, Tsinghua University, 2014

• First Prize of Experimental Technology Achievements, Tsinghua University, 2012

• Second Prize of Experimental Technology Achievements, Tsinghua University, 2012

Professional Activities

(1) Professional Society Membership

• IEEE Fellow

• IET Fellow

• IEEE PELS Asian Pacific Regional Vice Chair

• IEEE PELS China Membership Committee Chair

• IEEE PELS China Liaison

• IEEE PELS Beijing Chapter Chair

• IEEE PELS Sustainable Energy Technology Committee Member

• IEEE PELS Power and Control Technology Committee Member

• IEEE IES Renewable Energy Systems Technical Committee Member

• Member of Chinese Society for Electrical Engineering (CSEE)

(2) Editors in International Journals

• Associate Editor, IEEE Transactions on Power Electronics

• Associate Editor, IEEE Journal of Emerging and Selected Topics in Power Electronics

• Associate Editor, International Journal of Power Electronics

• Associate Editor, Journal of Power Electronics

• Guest Editor, Special Issue on “Smart Solid State Transformers for AC/DC Hybrid Power Grids”, IEEE Journal of Emerging and Selected Topics in Power Electronics

• Guest Editor, Special Section on “Energy Internet”, IEEE Transactions on Industrial Informatics

• Guest Editor, Special Issue on "Energy Conversion in Next-generation Electric Ships", IEEE Trans. on Energy Conversion

• Guest Associate Editor, Special Issue on "Distributed Generation", IEEE Journal of Emerging and Selected Topics in Power Electronics

• Guest Associate Editor, Special Issue on "Structured DC Microgrids", IEEE Journal of Emerging and Selected Topics in Power Electronics

• Guest Editor, Special Issue on "DC Microgrids and LVDC Distribution Networks", International Journal of Power Electronics

(3) Services on International Conferences

General Chair：

• General Co-Chair of IEEE SYPS2023

  Publicity Chair：

• Publicity Chair of IEEE ECCE2020

  Organizing committee Chair：

• Organization Committee Co-Chair of IEEE PEDG2023

• Organization Committee Chair of IEEE eGRID2019

  Technical Program Committee Chair：

• Technical Program Co-Chair of IEEE WiPDA-Asia2025

• Technical Program Chair of IEEE ECCE-Asia2025

• Technical Program Chair of IEEE ISESC2024

• Technical Program Chair of IEEE PEAS2023

• Technical Program Chair of IEEE eGRID2021

  Technical Program Committee Vice Chair:

• TPC Vice Chair of IEEE ECCE-Asia2022 (IPEC2022-Himeji)

• TPC Vice Chair of IEEE ECCE2017

• TPC Vice Chair of IEEE ECCE-Asia2017 (IFEEC2017)

  Session Chair, Special Session Organizer：

• Organizer of IEEE ECCE-Asia 2023 Organized Session on “Advanced Technology for SiC and GaN Applications: Modeling, Design and Control”

• Organizer of IEEE IPEC2022-Himeji Organized Session on "High performance Isolated DC-DC Converters in Emerging Applications"

• Session Chair on IEEE ECCE2021

• Session Chair on IEEE ECCE-Asia 2020

• Panelist on Rap Session “Opportunities and Challenges that Wide-Band-Gap Devices Bring to Distributed Generation” at IEEE PEDG2019

• Session Chair on IEEE PEDG2019

• Organizer of IEEE ECCE-Asia2019 Organized Session on "Advanced Bidirectional Isolated DC/DC Converters for DC Microgrids"

• Session Chair on IEEE ECCE-Asia2019

• Session Chair on IEEE ECCE2018

• Session Chair on IEEE IPEC-Niigata (ECCE-Asia2018)

• Organizer of IEEE ECCE-Asia2016 Organized Session on "Advanced Power Conversion Systems for Energy Storage", Organized Session on " Advanced Power Control Technologies for AC/DC Hybrid Microgrids"

• Organizer of IEEE ECCE2015 Special Session on "DC Microgrids: Control, Operation and Trends"

• Organizer of IEEE IFEEC2015 Special Session on "Power Electronics for Microgrids and Energy Storage Systems"

• Organizer of IEEE ISIE2014 Special Session on "Power Electronics for AC & DC Microgrids"

• Session Chair on ICEMS2011, ICEMS2014

• Session Chair on IEEE ECCE2015

  Technical Program Committee Member：

• Track Chair of IEEE PEAC2022, Xiamen, China

• Track Chair of IFEEC2019, Singapore

• Topic Chair of PEAS2021, Shanghai, China

• Technical Committee member of IEEE WiPDA-Asia 2021, Wuhan, China

• Technical Committee member of HVDC2020, Xi’an, China

• Program Committee member of IEEE COMPEL 2020, Aalborg, Denmark

• TPC member of IEEE ECCE-Asia 2020, Nanjing, China

• TPC member of IEEE ISGT Asia 2020, Perth, Australia

• TPC member of IEEE ECCE-Asia 2019, Busan, Korea

• TPC member of IEEE PEAC2018, Shenzhen, China

• TPC member of IEEE ECCE-Asia 2018, Niigata, Japan

• TPC member of IEEE ECCE-Asia 2016, Hefei, China

• TPC member of "Architectures, Control and Operation for Smart Grids and Microgrids" Symposium on IEEE SmartGridComm'15

  (4) Keynote Lecturers

• 2024.08.24, The 8th Young Scholars Forum on Power Electronics in Universities,“Power Electronics Technology Supporting Flexible Resources on the User Side in the New-type Power System”, Xi’an, China

• 2023.10.23，IEEE CENCON2023, “Hybrid AC/DC Microgrids: Configuration, Control and Future Development”, Kuching, Malaysia

• 2023.12.08，CIYCEE2023，“Advanced Bi-directional DC-DC Converters in Battery Energy Storage System”，Chengdu, China

  (5) Invited Lectures and Tutorials

• 2025.02.07, University of Macau,“Advanced Power Electronics Technology to Support Interactions between User-side Resources and Urban Power Grid”, Macau, China

• 2024.12.13，2^nd International Workshop on Carbon Neutrality and Energy System Transformation,” Advanced Power Electronics Technology to Support Interactions between User-side Resources and Power Grid”, London, United Kingdom

• 2024.07.25, IEEE PELS/IAS Singapore Joint Chapter，“Advanced Bi-directional DC-DC Converters in Battery Energy Storage Systems”, Singapore

• 2024.05.10, CIEEC Tutorials,“Optimal Design and Integration of High Frequency Magnetic Components in Power Converters”, Harbin, China

• 2023.11.10, IEEE PEAS2023 Tutorials,“Advanced Modulation, Control, and Structure of Isolated dc-dc Converter Systems for dc Power Conversion”, Guangzhou, China

• 2023.10.24, IEEE Power Electronics Society Distinguished Lecturer Invited Talk（IEEE PELS Malaysia Chapter）, “Advanced Bi-directional DC-DC Converters in Battery Energy Storage Systems”（Online）

• 2023.09.22，2023 International Conference on Power System Technology (PowerCon2023), “High Dynamic Control of SiC Based CLLC Converters”，Jinan, China

• 2022.06.20, IEEE Power Electronics Society Distinguished Lecturer Invited Talk（IEEE PELS/IES Joint Chapter in IEEE Bombay Section），“Advanced Bi-directional DC-DC Converters in Battery Energy Storage Systems”（Online）

• 2023.01.10, Forum on Operation and Regulation of Transformation Equipment in Urban Intelligent Distribution Networks，“Resilience Enhancement for Urban Distribution Networks through Interlinking Converters of Microgrid Clusters”（Online）

• 2022.06.19, IEEE Power Electronics Society Distinguished Lecturer Invited Talk（Brazil IEEE PELS DAY），”Advanced Bi-directional DC-DC Converters in Battery Energy Storage Systems”(Online)

• 2022.04.07，IEEE Power Electronics Society Distinguished Lecturer Invited Talk（Singapore IEEE IAS/PELS Joint Chapter），“Hybrid AC/DC Microgrids: Configuration, Control and Future Development”(Online)

• 2022.04.01，IEEE Power Electronics Society Distinguished Lecturer Invited Talk（U.S.A. PELS Georgia Tech SBC）,”Power Conversion Technology for Renewable Energy Systems Integrated into Medium Voltage DC Grids” (Online)

• 2021.12.23，IEEE Power Electronics Society Distinguished Lecturer Invited Talk (Canada PELS Northern Canada Chapter) “Advanced Bi-directional DC-DC Converters in Battery Energy Storage Systems” (Online)

• 2021.11.24 BK21 SST and DC Distribution Networks On-line Workshop，“Advanced Bi-directional DC-DC Converters in Battery Energy Storage Systems”（Online）

• 2021.11.06，IEEE Power Electronics Society Distinguished Lecturer Invited Talk（Hefei University of Technology），“Key technologies for PV/Storage/Charing/Hydrogen DC microgrid”（Online）

• 2021.10.16，IEEE Power Electronics Society Distinguished Lecturer Invited Talk（PELS Wuhan Branch），“Hybrid AC/DC Microgrids for Future Resilient Urban Energy Systems”，Wuhan, China

• 2021.09.24，IEEE Power Electronics Society Distinguished Lecturer Invited Talk（Sri Lanka EECon 2021），“Power Conversion Technology for Renewable Energy Systems Integrated into Medium Voltage DC Grids”（Online）

• 2021.09.18，IEEE Power Electronics Society Distinguished Lecturer Invited Talk（India PELS SBC GCEK）,“Power Conversion Technology for Renewable Energy Systems Integrated into Medium Voltage DC Grids”（Online）

• 2021.07.19，IEEE Power Electronics Society Distinguished Lecturer Invited Talk，“Advanced Bi-directional DC-DC Converters in Battery Energy Storage Systems”（Online）

• 2021.06.28，IEEE PEDG2021 Tutorials, “Power Management and Converter Control for Hybrid AC/DC Microgrids”（Online）

• 2021.06.20，IEEE Power Electronics Society Distinguished Lecturer Invited Talk（Brazil IEEE PELS DAY），“Hybrid AC/DC Microgrids: Configuration, Control and Future Development”（Online）

• 2021.05.25，Hanyang University, South Korea，“Hybrid AC/DC Microgrids: Configuration, Control and Future Development”（Online）

• 2021.04.30，IEEE Power Electronics Society Distinguished Lecturer Invited Talk，“Advanced Bi-directional DC-DC Converters in Battery Energy Storage Systems”

• 2020.01.15，Seoul National University, South Korea，“Application of Power Electronics Technology for DC Grids in China”，Seoul， South Korea

• 2019.11.11，IEEE eGRID2019 Tutorials，“Advanced Control Technique for Multi-function Converters in AC/DC Hybrid Microgrids”, Xiamen, China

• 2019.09.30，IEEE ECCE2019 Special Session on “Bidirectional DC-DC Converters for Medium and Low Voltage DC Power Systems”, “Advanced Bi-directional DC-DC Converters in Battery Energy Storage Systems for Medium and Low Voltage DC Grids”, Baltimore, USA

• 2019.09.11，CIEEC2019,“Advanced DC-DC Converters for Battery Energy Storage Systems”，Beijing, China

• 2019.07.23，Tokyo Metropolitan University, Japan，“Advanced High Power DC-DC Converter for Renewable Energy Systems Integrated into DC Grids”

• 2019.05.11，Tsinghua University – IET Electrical Engineering Academic Forum，“New Research Directions and International Communications in Power Electronics”

• 2019.04.21，North America Chinese Power Professional Association Webinar,“Power Electronics Technology for Renewable Energy Systems Integrated into Medium Voltage and Low Voltage DC Grids”

• 2019.02.12，University of New South Wales, Australia，“Advanced Power Converters in Battery Energy Storage Systems for More-electric Smart Cities”

• 2018.09.23，IEEE ECCE2018 Tutorials,“Hybrid AC/DC Microgrids: Configuration, Power Management and Converter Control”

• 2018.05.25，IEEE PELS DC Microgrids Workshop，“Power Electronics Techniques for Large Capacity Photovoltaic Generation Integrated into DC Grids”

• 2017.10.29, IEEE IECON2017 Tutorials，Beijing, China,“DC Power Grid: System Configuration, Operation Control and Future Development”

• 2017.08.10, IEEE IAS-PES Toronto Joint Chapter,“Energy Internet Development and Practice in China”

• 2017.06.28，IEEE Vancouver Section, Canada, "Energy Internet Development and Practice in China"

• 2017.05.17，University of Alberta, Canada, "Power Electronics Techniques for Photovoltaic Generation Integrated into DC Grids"

• 2017.05.01，University of New Brunswick，Canada, "Energy Internet Practice in China"

• 2017.03.11，IEEE PELS Beijing Chapter, "Power Electronics Techniques for Photovoltaic Generation Integrated into DC Distribution Networks"

• 2016.10.12, Aalborg University, Denmark, "Power Electronics for Distributed PV Generation Integrated into DC Grids"

• 2016.07.01, The 2nd Young Scholar Forum in Power Electronics, "Large-scale Renewable Energy Integration Technology for Medium-voltage DC Distribution Networks"

• 2015.11.05, National Cheng Kung University, "Power Electronics for Renewable Energy Integration into Hybrid AC/DC Microgrids"

• 2015.09.23, IEEE ECCE2015 Special Session on "DC Microgrids: Control, Operation and Trends ", "Control of Bi-directional Interfacing Converters in Hybrid AC/DC Microgrids"

• 2015.08.27, 2015 Symposium on Microgrids, "Power Electronics for Renewable Energy Integration into Hybrid AC/DC Microgrids"

• 2014.12.26, 2014 Annual Meeting of Beijing Power Electronics Society, “Control Techniques for Power Electronics Interfacing Converters in Hybrid AC/DC Microgrids”

• 2014.11.13-14, 2014 Symposium on Microgrids, “Sino-Danish Microgrid Technology Research & Demonstration”

• 2014.07.16, Xi’an University of Technology, “Renewable Generation Integration Technology in Hybrid AC/DC Microgrids”

• 2014.03.07, Shandong University, “Control Strategy for Power Electronics Interfacing Converters in Hybrid AC/DC Microgrids”

• 2013.10.25, Beijing Jiaotong University, “Key Application Techniques of SiC Devices ”