Influence of Series Resonance Type Fault Current Limiter on Operating Over-voltage

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

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Influence of Series Resonance Type Fault Current Limiter on Operating Over-voltage

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- Influence of Series Resonance Type Fault Current Limiter on Operating Over-voltage
- High VoltageApparatus Vol. 45, Issue 2, Pages: 44-47(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： TM862
- Published：2009
- 稿件说明：
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[1]洪健山,关永刚,徐国政.串联谐振式限流器对操作过电压的影响及分析[J].高压电器,2009,45(02):44-47.

HONG Jian-shan, GUAN Yong-gang, XU Guo-zheng. Influence of Series Resonance Type Fault Current Limiter on Operating Over-voltage[J]. High voltageapparatus, 2009, 45(2): 44-47.
[1]洪健山,关永刚,徐国政.串联谐振式限流器对操作过电压的影响及分析[J].高压电器,2009,45(02):44-47. DOI：

HONG Jian-shan, GUAN Yong-gang, XU Guo-zheng. Influence of Series Resonance Type Fault Current Limiter on Operating Over-voltage[J]. High voltageapparatus, 2009, 45(2): 44-47. DOI：

摘要

串联谐振式故障电流限制器（SRFCL）是目前最有希望在超高压电网中应用的限流器。笔者采用EMTP和PSCAD电磁暂态仿真软件

以500 kV电网中不同位置安装15Ω串联谐振式限流器为例

计算和分析了SRFCL对操作过电压的影响。其中工况包括:①开断空载线路操作过电压;②单相接地故障导致三相甩负荷引起的操作过电压;③三相甩负荷操作过电压;④单相自动重合闸操作过电压。分析结果认为:SRFCL对②、③、④影响很小

而对①具有明显影响。笔者还对影响的机理和因素作了分析

这些可以为SRFCL在超高压电网中的应用提供参考。

Abstract

The series resonance type fault current limiter is quite possible to be applied in power grid at present.In this paper

the electromagnetic transient simulation softwares EMTP and PSCAD are used to study the influence of 15 Ω SRFCL installed at different location on operating over-voltage in 500 kV power grid.Four kinds of operating over-voltage are calculated and analyzed

which are: ①the operating over-voltage caused by breaking no-load transmission line;②the operating over-voltage caused by the 3-phase load-sheding due to single-phase to ground fault;③the operating over-voltage caused by 3-phase load-sheding;④the operating over-voltage caused by single-phase closing of circuit-breaker.The results show that SRFCL has slightly influence on ②

③ and ④

but has significant influence on ①.In addition

the mechanism and factor of the influence are analyzed.

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