Influence on Recovery Voltage of High-voltage Circuit Breakers under Different Fault by Employing Series Resonance Type Fault Current Limiter

HONG Jian-shan; GUAN Yong-gang; XU Guo-zheng

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Influence on Recovery Voltage of High-voltage Circuit Breakers under Different Fault by Employing Series Resonance Type Fault Current Limiter

更新时间：2025-04-26

- Influence on Recovery Voltage of High-voltage Circuit Breakers under Different Fault by Employing Series Resonance Type Fault Current Limiter
- High VoltageApparatus Vol. 45, Issue 5, Pages: 24-27(2009)
- 作者机构：
  
  清华大学电机工程与应用电子技术系
- 作者简介：
- 基金信息：
- DOI：
  CLC： TM561
- Published：2009
- 稿件说明：
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[1]洪健山,关永刚,徐国政.不同故障下串联谐振式FCL对高压断路器恢复电压的影响[J].高压电器,2009,45(05):24-27.

HONG Jian-shan, GUAN Yong-gang, XU Guo-zheng. Influence on Recovery Voltage of High-voltage Circuit Breakers under Different Fault by Employing Series Resonance Type Fault Current Limiter[J]. High voltageapparatus, 2009, 45(5): 24-27.
[1]洪健山,关永刚,徐国政.不同故障下串联谐振式FCL对高压断路器恢复电压的影响[J].高压电器,2009,45(05):24-27. DOI：

HONG Jian-shan, GUAN Yong-gang, XU Guo-zheng. Influence on Recovery Voltage of High-voltage Circuit Breakers under Different Fault by Employing Series Resonance Type Fault Current Limiter[J]. High voltageapparatus, 2009, 45(5): 24-27. DOI：

摘要

为了使串联谐振式故障电流限制器（series resonance type fault current limiter

SRFCL）能在超高压电网中投入实际应用

采用电磁暂态仿真计算软件ATP-EMTP

研究分析了500 kV电网中在母联处加入串联谐振式FCL对高压断路器在开断不同短路故障时恢复电压的影响。计算结果表明:加入串联谐振式FCL后

当断路器开断出线端短路故障时

恢复电压上升率提高了18%

第一参考电压提高了2.6%。当开断近区故障时

90%额定短路电流和75%额定短路电流条件下

恢复电压起始部分的上升率分别下降了19.26%和25.6%

峰值分别下降了11.05%和15.73%。当开断母线短路故障时

串联谐振式FCL对母联上断路器恢复电压的上升率有显著的影响

加入之后恢复电压上升率比加入之前提高了13.1倍

第一参考电压提高了78.5%。在母线出现短路情况下

恢复电压上升率与第一参考电压的大幅提高将严重影响断路器的开断

在串联谐振式FCL的应用过程中需要加以考虑和解决。

Abstract

The influence of the series resonance type fault current limiter（SRFCL） on the recovery voltage of circuit breakers after breaking different kind of short-circuit fault was researched and analyzed by using the software of electromagnetic transient simulation ATP-EMTP for the application of SRFCL in 500 kV supergrid.The results show that the rate of rise of recovery voltage（RRRV） increased 18% and the first reference voltage increased 2.6% when circuit breaker breaking outlet short-circuit fault after the SRFCL installed.Under the condition of 90% and 75% rated short-circuit breaking current

the starting part of RRRV decreased 19.26% and 25.6%

and the peak voltage decreased 11.05% and 15.73% individually when circuit breaker breaking short-line fault.The RRRV increased 13.1 times and the first reference voltage increased 78.5% after the SRFCL installed when circuit breaker breaking bus short-circuit fault.The substantial increase of RRRV will seriously affect the breaking capability of high voltage circuit breakers

which should be considered and resolved before the SRFCL installed in supergrid.

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