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Research on a New Type of Fault Current Limiter Based on High Coupled Split Reactor

  • Wenxiong Mo
  • Junxiang LiuEmail author
  • Yong Wang
  • Lin Gan
  • Haibo Su
  • Lu Zhu
  • Shengya Qiao
  • Kaijian Wu
  • Zhao Yuan
Conference paper
Part of the Lecture Notes in Electrical Engineering book series (LNEE, volume 598)

Abstract

With the rapid development of the power system, the short circuit current level has increased sharply. In order to ensure security, stability and reliable operation of power system, the fault current limiter (FCL) is one of the effective measures to limit short-circuit current. The use of high coupled split reactor (HCSR) to achieve limit and interruption of large current is a new technique emerged in recent years. The FCL based on HCSR has many advantages compared with other types of FCL, but it puts big pressure on the insulation design of HCSR and affects the recovery voltage of fast mechanical switch. The paper proposes an improved FCL topology, which retains the advantages of HCSR and on the other hand reducing the insulation requirements for HCSR. Focusing on the FCL based on HCSR, a simulation model is established to analyse the effect of current limiting and over-voltage under different working conditions. The effect of current limiting of FCL is in line with the expected results, and setting capacitors in parallel with FCL is an effective method to reduce the rate of rise of recovery voltage (RRRV) of main switch.

Keywords

Fault current limiter HCSR Recovery voltage 

Notes

Acknowledgments

This Project was supported by National Key R&D Program of China (2018YFB0904300), and the Science and Technology Project of China Southern Power Grid Co., Ltd. (GZHKJXM20180055).

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Copyright information

© Springer Nature Switzerland AG 2020

Authors and Affiliations

  • Wenxiong Mo
    • 1
  • Junxiang Liu
    • 1
    Email author
  • Yong Wang
    • 1
  • Lin Gan
    • 1
  • Haibo Su
    • 1
  • Lu Zhu
    • 1
  • Shengya Qiao
    • 1
  • Kaijian Wu
    • 2
  • Zhao Yuan
    • 2
  1. 1.Guangzhou Power Supply Co., Ltd.GuangzhouChina
  2. 2.State Key Laboratory of Advanced Electromagnetic Engineering and TechnologyWuhanChina

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