Graduated Master’s Students

Huang Junjie:
Master’s Thesis – Research on Zonal and Hierarchical Cooperative Control Strategies for Flexible DC Traction Power Supply Systems

Ye Runfeng:
Master’s Thesis – Analysis and Suppression Strategy for Rail Potential in Urban Rail Flexible DC Power Supply Systems

Zhang Jian:
Master’s Thesis – Research on Optimization Planning Methods for Flexible DC Traction Power Supply Systems Considering Power Supply Capacity

Current Master’s Candidates

Wang Siyu

Zhang Lintao

Pei Jiaqi

1. Major Longitudinal Projects

Aug. 2022 – Jan. 2025: Beijing Municipal Science and Technology Program, Research on Key Technologies and Demonstration Applications of Flexible DC Traction Power Supply Systems for Urban Rail Transit (core participant).

Jul. 2017 – Jun. 2020: National Key R&D Program, "Virtual Co-phase Flexible Power Supply Technology – Research on Optimal Control Algorithms" (task leader).

Jul. 2016 – Jun. 2021: National Key R&D Program, "Stability Control Theory and Technology for Multi-converter Stations and Hybrid AC/DC Grids" – Subproject 2: "Fundamental Theories and Methods for DC System Participation in Control and Operation" (core participant).

Jul. 2016 – Jun. 2020: National Key R&D Program, "Key Technologies and Equipment for Efficient Energy Transmission and Conversion" – Subproject: "Key Technologies and Prototype Development of Intermediate Package Electromagnetic Heating Power Supply" (lead).

Mar. 2016 – Dec. 2017: National Key Laboratory Independent Project, "Research on Novel DC Grid Topology and DC Protection Control Technologies" (lead).

Jan. 2012 – Dec. 2014: National Natural Science Foundation (Youth Program), "A New Traction Power Supply Scheme for High-speed Electric Locomotives to Pass Neutral Sections Without Power Interruption" (lead).

Jan. 2008 – Dec. 2010: National Natural Science Foundation (General Program), "A Co-phase Power Supply Scheme for Electric Railways Based on High-voltage, High-capacity Unified Power Quality Controllers" (core participant).

Jul. 2008 – Sep. 2010: 11th Five-Year National Key Technology Support Program, "Development of Co-phase Power Supply Devices for Electrified Railways" (core participant).

Jul. 2008 – Sep. 2010: 11th Five-Year National Key Technology Support Program, "Development of Medium/High-voltage, 100 MVA-level Chain and Multilevel Converters and STATCOMs" (core participant).

2. Major Horizontal Projects

Dec. 2024 – Nov. 2025: China Mobile Communications Group Jiangsu Co., Ltd., "Research and Testing of Flexible Energy Router Solutions for Next-generation Data Centers" (lead).

Oct. 2024 – Jun. 2025: Guangzhou Metro Design & Research Institute Co., Ltd., "Analysis and Optimization Design of Co-phase Traction System Operational Characteristics" (lead).

Jan. 2024 – Aug. 2025: Tianjin Huakai Electric Co., Ltd., "Photovoltaic DC Integration and Energy Router Control Technology for Tianjin Jinghai Line" (lead).

Dec. 2023 – Mar. 2025: Guangzhou Mingde Electric Power Technology Co., Ltd., "Simulation Analysis of Flexible DC Power Supply Systems for Silicon-Manganese Alloy Submerged Arc Furnaces" (lead).

Jan. 2023 – Aug. 2025: Tianjin Huakai Electric Co., Ltd., "R&D of Flexible DC Bidirectional Converters and Simulation Platform for Beijing Metro Line 13A" (lead).

Jan. 2023 – Aug. 2025: Tianjin Huakai Electric Co., Ltd., "Cooperative Control and Centralized Energy Management System for Flexible DC Traction Power Supply in Beijing Metro Line 13A" (core participant).

Feb. 2022 – Mar. 2024: Guilin Zhiyuan Power Electronics Co., Ltd., "Key Technology Development of Next-generation High-voltage Power Quality Improvement Devices (SVG/STATCOM)" (lead).

Aug. 2019 – Aug. 2022: China Railway Electrification Engineering Group Co., Ltd., "Continuous Co-phase Traction Power Supply System (Based on Static Power Converters)" (lead).

Jan. 2019 – Dec. 2020: State Grid Jiangsu Electric Power Co., Ltd., "Oscillation Risk Analysis and Stability Enhancement Technology for Flexible DC Transmission Systems" (lead).

May 2018 – Dec. 2018: Beijing Zhizhong Power Electronics Technology Co., Ltd., "Research and Development of Comprehensive Power Quality Management Devices for Low-voltage Distribution Networks" (lead).

Jan. 2018 – Dec. 2019: State Grid Hubei Electric Power Co., Ltd., "Enhancing Fault Ride-through and Islanding Operation Capabilities of Flexible DC Transmission Systems" (lead).

Dec. 2017 – May 2019: Delta Power Electronics Science and Education Development Fund, "Research on Novel DC Interconnected Converters for DC Grids" (lead).

Jun. 2015 – Jan. 2017: Delta Power Electronics Science and Education Development Fund, "Research on DC Fault Ride-through Technology for Flexible DC Transmission and Distribution Systems" (lead).

Dec. 2013 – Dec. 2016: Shenzhen Power Supply Bureau Co., Ltd., "Research and Engineering Demonstration of Power Quality Comprehensive Management in Shenzhen Power Grid" (core participant).

1. Selected Authorized National Invention Patents

[1] Li Xiaoqian; Wei Yingdong; Lu Chao; Zhang Jian; Li Zhanhe
Optimal Power Flow Calculation Method and Device for Flexible DC Traction Power Supply Systems
Authorization Date: 2023-05-16 | National Invention Patent | Authorization No.: ZL202211384111

[2] Li Xiaoqian; Wei Yingdong; Ye Runfeng; Lu Chao; Li Zhanhe
Rail Potential Suppression Control Method and Device for Urban Rail Flexible DC Traction Power Supply Systems
Authorization Date: 2024-08-06 | National Invention Patent | Authorization No.: ZL202310896731

[3] Wei Yingdong; Li Xiaoqian; Shao Wenjun; Li Weirui et al.
A Multi-Objective Coupling Negative Sequence Optimal Control Method for Grid-Connected Inverters
Authorization Date: 2022-06-21 | National Invention Patent | Authorization No.: ZL202110271663

[4] Lin Yunzhi; Wei Yingdong; Li Zengqin; Li Xiaoqian; Li Mingrui et al.
Continuous Co-phase Traction Power Supply System Based on Four-port Modular Multilevel Converters
Authorization Date: 2021-05-28 | National Invention Patent | Authorization No.: ZL202010261430.4

[5] Zhao Yinjun; Li Xiaoqian; Lin Yunzhi; Wei Yingdong; Li Ziming et al.
Continuous Co-phase Traction Power Supply System Based on Balance Transformers and Four-port MMC
Authorization Date: 2021-05-28 | National Invention Patent | Authorization No.: ZL202010260815.9

[6] Hou Lingxi; Wei Yingdong; Zhang Shuqing; Li Xiaoqian; Zhao Biao; Jiang Qirong et al.
Series Voltage Compensator and System for Suppressing Commutation Failure in Conventional DC Converter Stations
Authorization Date: 2020-10-13 | National Invention Patent | Authorization No.: ZL201811176179.0

[7] Wei Yingdong; Li Mingrui; Yuan Zhichang; Li Xiaoqian et al.
Interleaved Soft-Switching Hybrid Multilevel DC Interconnected Converter
Authorization Date: 2020-06-02 | National Invention Patent | Authorization No.: ZL201711453648.4

[8] Wei Yingdong; Yu Xinyu; Jiang Qirong et al.
Dual Unipolar Voltage Modular Chain and Hybrid Multilevel Converter
Authorization Date: 2019-03-05 | National Invention Patent | Authorization No.: ZL201611148476.5

[9] Wei Yingdong; Hu Changjiang; Lu Chao; Li Xiaoqian et al.
Non-interruption Flexible Neutral Section Equipment for Partition Stations and Control Method
Authorization Date: 2021-10-08 | National Invention Patent | Authorization No.: ZL201811313066

[10] Wei Yingdong; Jiang Qirong; Xie Xiaorong; Zhang Shuqing et al.
Flexible DC Transmission System Based on Combined Modular Multilevel Converters
Authorization Date: 2019-03-05 | National Invention Patent | Authorization No.: ZL201610525007.4

[11] Wei Yingdong; Jiang Qirong; Han Yingduo et al.
Co-phase Traction Power Supply System for High-speed Electrified Railways
Authorization Date: 2019-01-15 | National Invention Patent | Authorization No.: ZL201611056799.1

[12] Wei Yingdong; Yu Xinyu; Jiang Qirong; Yuan Zhichang et al.
Unidirectional Power Flow-Adapted Modular Multilevel Converter with Single-Arm Blocking
Authorization Date: 2018-10-19 | National Invention Patent | Authorization No.: ZL201610718849.1

[13] Yu Xinyu; Wei Yingdong; Jiang Qirong
Modular Multilevel Converter Based on Diagonal Bridge Submodules
Authorization Date: 2018-02-02 | National Invention Patent | Authorization No.: ZL201510932787.X

[14] Jiang Qirong; Wei Yingdong; Tian Xu
Flexible Connection-Compensation Device and Method for Neutral Section Non-interruption in Traction Networks
Authorization Date: 2013-02-13 | National Invention Patent | Authorization No.: ZL201010596433.X

[15] Wei Yingdong; Jiang Qirong; Hong Lucheng
Integrated Power Quality Compensation Device and Method for Non-interruption Power Supply of Electric Locomotives
Authorization Date: 2012-11-14 | National Invention Patent | Authorization No.: ZL201010597237.4

[16] Wei Yingdong; Jiang Qirong; Pi Junbo
Unified Power Quality Controller Based on Transformer Series Multi-level and Chain Structure
Authorization Date: 2011-09-28 | National Invention Patent | Authorization No.: ZL200810119942.6

[17] Jiang Qirong; Wei Yingdong
Single-phase Unified Power Quality Controller for Electrified Railway Power Supply
Authorization Date: 2009-11-04 | National Invention Patent | Authorization No.: ZL200710175253.2

2. Selected International Journal/Conference Papers

[1] Wang, SY; Wei, YD; Ren, L; Lin, YZ; Guo, X; Li, XQ, Capacity planning method for continuous flexible AC traction power supply system based on optimal power flow, ENERGY Volume:    317 Article Number:    134580

[2] Hou, LX; Zhang, SQ; Wei, YD ; Li, XQ  Jiang, QR ; Li, MR ; Li, WR, DC Traction Power Supply System Based on Modular Multilevel Converter Suitable for Energy Feeding and De-Icing,   CSEE JOURNAL OF POWER AND ENERGY SYSTEMS Volume: 10 Issue: 2 Pages: 649-659

[3]  Li, RY; Wei, YD ; Tian, X  Pei, JQ ; Wu, YC; Li, SD，Modeling and Energy Efficiency Analysis of Ferro-Silicon Submerged Arc Furnace Under Flexible AC Power Supply in Balanced Steady State,     IEEE ACCESS Volume: 12 Pages: 137542-137555

[4]  Li, ZH ; Li, XQ;  Wei, YD ; Lu, C ; Bai, XL, Fast Quasi-Optimal Power Flow of Flexible DC Traction Power Systems,   IEEE TRANSACTIONS ON POWER SYSTEMS Volume: 39 Issue: 1 Pages: 1555-1567

  [5] Li, J; Wei, YD; Li, XQ; Lu, C Guo, X; Lin, YZ ; Molinas, M, Modeling and stability prediction for the static-power-converters interfaced flexible AC traction power supply system with power sharing scheme, INTERNATIONAL JOURNAL OF ELECTRICAL POWER & ENERGY SYSTEMS Volume: 154 Article Number: 109401

  [6] Tan, N; Li, XQ; Wei, YD; Li, MR; Lin, YZ; Guo, X ; Liu, JZ, DC Bias Suppression in Static Power Converter During Catenary Fault Handling for Railway Flexible AC Traction Power System, IEEE JOURNAL OF EMERGING AND SELECTED TOPICS IN POWER ELECTRONICS Volume: 11 Issue: 3 Pages: 2895-2903

[7]  Li, MR; Wei, YD; Lin, YZ ; Li, XQ ; Lu, C ; Wang, CL ; Li, ZH, A fast power control method based on high-speed communication for the continuous co-phase traction power system,     IENERGY Volume: 1 Issue: 4 Pages: 395-399

[8]  Li, ZM; Li, XQ; Wei, YD ; Lu, C; Lin, YZ; Li, ZQ, Ground Fault Analysis and Grounding Method of Static Power Converters in Flexible AC Traction Power Supply Systems,     IEEE TRANSACTIONS ON POWER ELECTRONICS Volume: 37 Issue: 5 Pages: 5535-5546

[9] Hou, LX; Zhang, SQ; Wei, YD; Zhao, B; Jiang, QR, A Dynamic Series Voltage Compensator for the Mitigation of LCC-HVDC Commutation Failure,    IEEE TRANSACTIONS ON POWER DELIVERY Volume: 36 Issue: 6 Pages: 3977-3987

  [10] Hou, LX; Zhang, SQ; Wei, YD; Li, XQ; Jiang, QR, A Hybrid-Arm Modular Multilevel Converters Topology With DC Low Voltage Operation and Fault Ride-Through Capability for Unidirectional HVDC Bulk Power Transmission， IEEE TRANSACTIONS ON POWER DELIVERY Volume: 35 Issue: 6 Pages: 2812-2820

[11] Dewu Shu，Yingdong Wei*, Venkata Dinavahi，Keyou Wang，Zheng Yan，Xiaoqian Li, Co-Simulation of Shifted-Frequency/Dynamic Phasor and Electromagnetic Transient Models of Hybrid LCC-MMC DC Grids on Integrated CPU-GPUs, in IEEE Transactions on Industrial Electronics.TIE.2019.2937044.

      [12] Li Xiaoqian, Zhao Biao, Wei Yingdong*, Xie Xiaorong, Hu Yinghong, Shu Dewu, DC fault current limiting effect of MMC submodule capacitors, International Journal of Electrical Power & Energy Systems, ISSN: 0142-0615, Vol: 115, Page: 105444，February 2020

      [13] Biao Zhao, Xiaoqian Li, Yingdong Wei*, Feng An, Jie Sun, Guowei Liu, Yuming Zhao, Modular Hybrid-Full-Bridge DC Transformer with Full-Process Matching Switching Strategy for MVDC Power Distribution Application, in IEEE Transactions on Industrial Electronics. Early Access Article/TIE.2019.2917371

[14] Xinyu Yu, Yingdong Wei, Qirong Jiang, Xiaorong Xie, Yuquan Liu, Ke Wang, A Novel Hybrid-arm Bipolar MMC Topology with DC Fault Ride-through Capability, IEEE Transactions on Power Delivery, 2016, Volume PP, no.99, pp: 1-1.

[15] Xinyu Yu, Yingdong Wei, Qirong Jiang, STATCOM Operation Scheme of the CDSM-MMC during a Pole-to-pole DC Fault, IEEE Transactions on Power Delivery, 2016, Volume 31, no 3, pp: 1150 – 1159.

[16] Li, Mingrui, Xiaoqian Li, Yunzhi Lin, Yingdong Wei*, Chao Lu, Zhuoxuan Shen, Ziming Li, Zengqin Li, and Ieee. Four-Port Modular Multilevel Ac/Ac Converter in Continuous Co-Phase Traction Power Supply Application. Annual IEEE Energy Conversion Congress and Exposition (IEEE ECCE). Detroit, MI, 2020.

[17] Li, Ziming, Xiaoqian Li, Yingdong Wei*, Chao Lu, Zhuoxuan Shen, Mingrui Li, Yunzhi Lin, Zengqin Li. Half Bridge Sub-Module Based Modular Multilevel Converter in 50hz/50hz Railway Continuous Co-Phase Power Supply Application. 12th Annual IEEE Energy Conversion Congress and Exposition (IEEE ECCE). Detroit, MI, 2020.

[18] Lingxi, Hou, Zhang Shuqing, Wei Yingdong*, Li Xiaoqian, Jiang Qirong, and Zou Sheng. A Combined Modular Multilevel Converters Topology with Dc Fault Ride-through Capability for Bulk Power Bipolar-Hvdc Transmission Systems. 2020 IEEE/IAS Industrial and Commercial Power System Asia, 2020.

[19] Xinyu Yu, Yingdong Wei, Qirong Jiang, New Submodule Circuits for Modular Multilevel Current Source Converters with DC Fault Ride Through Capability, 2016 IEEE Applied Power Electronics Conference and Exposition, 2016.3.20-2016.3.24.

[20] Yingdong Wei ; Lucheng Hong ; Qirong Jiang ; Zhiyong Wang. A new dynamic strategy for improved ride-through capability of wind turbine generator, 2011 IEEE Power and Energy Society General Meeting, 2011, Page（s）: 1 – 6

[21] Yingdong Wei ; Qirong Jiang ; Xiujuan Zhang. An optimal control strategy for power capacity based on railway power static conditioner. 2008 IEEE Asia Pacific Conference, 2008 , Page（s）: 236 – 239

[22] Yingdong Wei ; Qirong Jiang ; Xiujuan Zhang. A novel control strategy for optimization of power capacity based on railway power static conditioner. IEEE Twenty-Third Annual Applied Power Electronics Conference and Exposition, APEC 2008, Page（s）: 1669 - 1674

3. Selected Domestic Journal Papers

[1] Zhang Jian; Li Xiaoqian; Wei Yingdong; Li Zhanhe; Lu Chao
Improved Model for Ultimate Power Supply Capacity of Flexible DC Traction Power Systems Based on SOCP
Proceedings of the CSEE, 2025, 45(03): 813-822

[2] Ye Runfeng; Wei Yingdong; Li Zhanhe; Li Xiaoqian; Lu Chao; Bai Xuelian
Fast Calculation Method for Rail Potential in Urban Rail Flexible DC Traction Power Supply Systems
Proceedings of the CSEE, 2023, 43(14): 5311-5319

[3] Li Mingrui; Li Xiaoqian; Wei Yingdong; Li Weirui; Lu Chao; Ren Li; Shao Wenjun*
A Non-isolated Hybrid Modular Multilevel DC Interconnected Converter
Proceedings of the CSEE, Online First: 2021-06-18

[4] Yuan Zhichang; Wei Yingdong; Liu Wenhua; Ma Huiyuan; Yu Xijuan; Guo Peiqian
Uninterrupted Power Exchanger Based on Flexible DC Technology
High Voltage Engineering, 2020, 46(08): 2914-2921

[5] Xu Ruilin; Li Mingrui; Zhang Lianqiang; Zhu Shengyi; Wei Yingdong; Hou Lingxi
Research on AC Fault Ride-through Strategy for Chongqing-Hubei Back-to-back Flexible DC System
Advanced Technology of Electrical Engineering and Energy, 2020, 39(06): 42-50

[6] Zhao Li; Wei Yingdong; Jiang Qirong; Ma Huiyuan; Yu Xijuan; Yuan Zhichang
Unbalanced Compensation Strategy for Three-phase Four-wire DSTATCOM Based on Capacity Limiting
Advanced Technology of Electrical Engineering and Energy, 2019, 38(06): 8-15

[7] Hou Lingxi; Wei Yingdong; Zhang Shuqing; Jiang Qirong; Han Yingduo
Series Voltage Commutation Converter and Control Method for Suppressing HVDC Commutation Failure
Proceedings of the CSEE, 2018, 38(22): 6481-6491

[8] Hou Lingxi; Xu Lin; Wei Yingdong; Jiang Qirong; Ding Lijie; Lin Ruixing
Passive Network Optimization Design for Seamless Switching of Controllable Switches in Microgrids
Automation of Electric Power Systems, 2018, 42(07): 171-177

[9] Liu Zhen; Wei Yingdong; Jiang Qirong
Random Zero-Sequence Component Injection PWM Method for MMC Based on IGBT Series Connection
Automation of Electric Power Systems, 2017, 41(11): 156-162

[10] Yu Xinyu; Wei Yingdong; Jiang Qirong
Symmetrical Steady-state Analysis and Decoupling Control of Three-phase Three-wire Modular Multilevel Converters
Automation of Electric Power Systems, 2015, 39(03): 110-116

[11] Yu Xinyu; Wei Yingdong; Jiang Qirong
Simplified Algorithm for Two-level Space Vector PWM and Voltage Harmonic Analysis
Power System Technology, 2014, 38(09): 2504-2510

[12] Liu Guowei; Jiang Qirong; Wei Yingdong
Capacitor Voltage Balancing Control Strategy for Modular Multilevel Converters Under Low-frequency Conditions
Transactions of China Electrotechnical Society, 2014, 29(08): 166-172

[13] Tian Xu; Wei Yingdong; Jiang Qirong
Modular Unified Power Quality Controller for Electrified Railways
Automation of Electric Power Systems, 2012, 36(15): 101-106

[14] Hong Lucheng; Wei Yingdong; Jiang Qirong; Wang Zhiyong
Low Voltage Ride-through Strategy for Wind Turbines Based on Dynamic Voltage Regulators
Automation of Electric Power Systems, 2011, 35(16): 32-37

[15] Wei Yingdong; Jiang Qirong; Han Yingduo; Pi Junbo; Liu Chengzhe
Comprehensive Capacity Configuration of Railway Unified Power Quality Controllers for Flexible Substation Compensation
Power System Technology, 2010, 34(01): 15-21

[16] Wei Yingdong; Jiang Qirong; Han Yingduo; Zhang Chunpeng
Optimal Compensation Strategy for RUPQC Based on Reactive and Negative Sequence Decoupling
Automation of Electric Power Systems, 2009, 33(16): 55-60

1、Technical Committee Member of the "Traction Power Supply Technology" Railway Industry Engineering Research Center, National Railway Administration.

2、Member of the National Technical Committee for Standardization of Voltage, Current Levels, and Frequency.