Fault Severity Classification Based Coordination Control Strategy of Fault Current Limiter and Modular Multilevel Converter for Adaptive Fault Current Limiting

Yangtao Liu; Jianquan Liao; Chunsheng Guo; Zipeng Tan; Yuhong Wang; Nengqiao Wei; Niancheng Zhou; Yuyan Song

doi:10.35833/MPCE.2024.000242

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Fault Severity Classification Based Coordination Control Strategy of Fault Current Limiter and Modular Multilevel Converter for Adaptive Fault Current Limiting

Original Paper | 更新时间：2025-07-30

- Fault Severity Classification Based Coordination Control Strategy of Fault Current Limiter and Modular Multilevel Converter for Adaptive Fault Current Limiting
- “Fault current limiting is a critical technology to ensure the safe operation of modular multilevel converter based multi-terminal direct current (MMC-MTDC) grids. This paper proposes a fault severity classification based coordination control strategy of fault current limiter (FCL) and MMC for adaptive fault current limiting. The proposed strategy reduces the investment in FCL, and keeps the bus voltages of non-faulty lines at reasonable values. Firstly, a rapid fault circuit parameter estimation (FCPE) method using initial fault current information is proposed. With this method, the fault distance and fault transition resistance can be quickly estimated, which are used for a quantitative indication of the fault severity. Subsequently, the coordination control strategy of FCL and MMC is proposed, in which the FCL action is prioritized, while the control of MMC is complementary for current limiting. Based on the proposed strategy, fault severity phase planes (FSPPs) are constructed to assess fault severity and calculate the activation time of FCL and voltage regulation factor of MMC. Therefore, the FCL activation and MMC control are matched to the fault severity. The effectiveness and advantages of the proposed strategy are validated by the simulations in PSCAD/EMTDC.”
- Journal of Modern Power Systems and Clean Energy Vol. 13, Issue 4, Pages: 1432-1443(2025)
- 作者机构：
  
  College of Electrical Engineering, Sichuan University, Chengdu, China
  School of Engineering and Technology, Southwest University, Chongqing, China
  State Key Laboratory of Power Transmission Equipment and System Security and New Technology, Chongqing University, Chongqing, China
  State Grid Sichuan Economic Research Institute, Chengdu, China
- 作者简介：
  
  Yangtao Liu received the B.S. degree in mechanical and transportation engineering from China University of Petroleum, Beijing, China, in 2022. He is currently pursuing the M.S. degree at Sichuan University, Chengdu, China. His research interests include power system protection and control, fault analysis and protection of DC grid.e-mail: liuyangtao@stu.scu.edu.cn
  Jianquan Liao received the B.S. degree in electrical engineering from China University of Petroleum, Qingdao, China, in 2017, and the Ph.D. degree from Chongqing University, Chongqing, China, in 2021. From September 2019 to September 2020, he was a Guest Researcher at the Delft University of Technology, Delft, The Netherlands. He is currently an Associate Research Fellow with Sichuan University, Chengdu, China. His current research interests include power system protection and control, power quality of DC distribution network, and power system stability and control.e-mail: jquanliao@scu.edu.cn
  Chunsheng Guo received the B.E. degree from College of Electrical Engineering, Sichuan University, Chengdu, China, in 2017, and the M.Eng. degree from the Department of Electrical and Electronic Engineering, The University of Nottingham, Nottingham, UK, in 2018. He is currently pursuing the Ph.D. degree from Sichuan University. His research interests include power system protection and control, high-voltage direct current transmission, and voltage balancer.e-mail: kiritodile@stu.scu.edu.cn
  Zipen Tan received the B.E. degree from the College of Electrical Engineering, Sichuan University, Chengdu, China, in 2022. He is currently pursuing the M.S. degree at Sichuan University, Chengdu, China. His research interests include power system protection and control, fault analysis, and protection of DC grid.e-mail: 2022223035199@stu.scu.edu.cn
  Yuhong Wang received the B.S. and M.S. degrees in power system and its automation from Chongqing University, Chongqing, China, in 1993 and 1995, respectively. She received the Ph.D. degree in power system and its automation from Southwest Jiaotong University, Chengdu, China, in 2008. She is currently a Professor with Sichuan University, Chengdu, China. Her research interests include power system stability and control, high-voltage direct current (HVDC) and flexible alternating current transmission system (FACTS), renewable energy integration, and artificial intelligence.e-mail: yuhongwang@ scu.edu.cn
  Nengqiao Wei received the B.S. degree in physics from Southwest University, Chongqing, China, in 2013. He received the M.S. and Ph.D. degrees from Chongqing University, Chongqing, China, in 2018 and 2022, respectively. He is currently an Associate Research Fellow with Southwest University, Chongqing, China. His research interests include fault analysis and protection of DC grid.e-mail: weinengqiao@163.com
  Niancheng Zhou received the B.S., M.S., and Ph.D. degrees in electrical engineering from Chongqing University, Chongqing, China, in 1991, 1994, and 1997, respectively. He worked at Chongqing Kuayue Technology Co., Ltd., from 1997 to 2003. He is a Professor with School of Electrical Engineering, Chongqing University. From 2010 to 2011, he was a Research Fellow at Nanyang Technological University, Singapore. His research interests include analysis, operation of power system, microgrid, and power quality.e-mail: cee_nczhou@cqu.edu.cn
  Yuyan Song received the B.S. and Ph.D. degrees from College of Electrical Engineering, Sichuan University, Chengdu, China, in 2017 and 2023, respectively. She is currently with State Grid Sichuan Economic Research Institute, Chengdu, China. Her research interests include power system stability and control, and renewable energy integration.e-mail: yuyan_syy@163.com
- 基金信息：
- DOI：10.35833/MPCE.2024.000242
  CLC：
- Received：05 March 2024，
  
  Revised：2024-06-07，
  
  Accepted：09 August 2024，
  
  Online First：26 August 2024，
  
  Published：15 July 2025
- 稿件说明：
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Liu Yangtao,Liao Jianquan,Guo Chunsheng,et al.Fault Severity Classification Based Coordination Control Strategy of Fault Current Limiter and Modular Multilevel Converter for Adaptive Fault Current Limiting[J].Journal of Modern Power Systems and Clean Energy,2025,13(04):1432-1443.
DOI：

Liu Yangtao,Liao Jianquan,Guo Chunsheng,et al.Fault Severity Classification Based Coordination Control Strategy of Fault Current Limiter and Modular Multilevel Converter for Adaptive Fault Current Limiting[J].Journal of Modern Power Systems and Clean Energy,2025,13(04):1432-1443. DOI： 10.35833/MPCE.2024.000242.

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Fault Severity Classification Based Coordination Control Strategy of Fault Current Limiter and Modular Multilevel Converter for Adaptive Fault Current Limiting

DOI：10.35833/MPCE.2024.000242