Analysis and Design of A Bidirectional Resistive-inductive DC Current Limiter

LI Xin; CHEN Quan; CHEN Zhong; WANG Qunjing; JU Lufeng

doi:10.13296/j.1001-1609.hva.2026.03.012

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Analysis and Design of A Bidirectional Resistive-inductive DC Current Limiter

Research & Analysis | 更新时间：2026-03-11

- Analysis and Design of A Bidirectional Resistive-inductive DC Current Limiter
- High Voltage Apparatus Vol. 62, Issue 3, Pages: 96-105(2026)
- 作者机构：
  
  安徽大学，合肥 230601
  安徽省电力有限公司电力科学研究院，合肥 230601
- 作者简介：
- 基金信息：
  
  Science and Technology Project of SGCC(5500-202220110A-1-1-ZN)
- DOI：10.13296/j.1001-1609.hva.2026.03.012
  CLC：
- Received：11 August 2025，
  
  Revised：2025-10-21，
  
  Published：16 March 2026
- 稿件说明：
移动端阅览
LI Xin, CHEN Quan, CHEN Zhong, et al. Analysis and Design of A Bidirectional Resistive-inductive DC Current Limiter[J]. High Voltage Apparatus, 2026, 62(3): 96-105.
DOI：

LI Xin, CHEN Quan, CHEN Zhong, et al. Analysis and Design of A Bidirectional Resistive-inductive DC Current Limiter[J]. High Voltage Apparatus, 2026, 62(3): 96-105. DOI： 10.13296/j.1001-1609.hva.2026.03.012.

摘要

柔性直流输电系统故障电流上升速度快、幅值大，现有的直流断路器（DCCB）故障切断速度、开断容量受到了极大的挑战。基于此，提出一种主要由换流支路和阻感限流支路所构成的直流限流器，利用换流支路将故障电流转移至阻感限流支路上，实现阻感限流，并通过吸能电阻达到加速故障电流清除、缓解直流断路器开断压力的目的。根据直流故障暂态特性，结合该阻感型直流限流电路与混合式直流断路器的配合策略，分阶段对该阻感型直流限流电路的工作原理进行理论分析，通过数学推导给出所提阻感型直流限流电路的参数设计原则。最后，对所提阻感型直流限流电路的正确性和有效性进行了仿真验证。结果表明，所提阻感型直流限流电路能有效抑制故障电流、快速隔离故障线路、减少避雷器吸能压力。

Abstract

The rapid rise and large amplitude of fault current in VSC-HVDC transmission system pose significant challenges to the fault interruption speed and breaking capacity of existing DC circuit breaker (DCCB). Based on this

a DC current limiter which is mainly composed of the commutation branch and the resistive-inductive current limiting branch is proposed . The fault current is transferred to the resistive-inductive current limiting branch by the commutation branch to achieve the resistive-inductive current limiting and reach the purpose of accelerating the clearing of the fault current and relieving the breaking pressure of the DC circuit breakerthrough the energy absorption resistance. According to the transient characteristics of DC fault and also in combination with the coordination strategy of the resistive-inductive DC current-limiting circuit and hybrid DC circuit breaker

the working principle of the resistive-inductive DC current-limiting circuit is analyzed theoretically in stages

and the parameter design principle of the proposed resistive-inductive DC current-limiting circuit is given through mathematical derivation. Finally

the correctness and effectiveness of the proposed resistive-inductive DC current-limiting circuit are verified by simulation. The results show that the proposed resistive-inductive DC current-limiting circuit can effectively suppress the fault current

quickly isolate the fault lineand reduce the energy absorption pressure of the arrester.

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references

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