Analysis of Short-current Failures of the 500kV Power System in East China Grid

LIU Zhao-lin1; YIN Min-li2

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Analysis of Short-current Failures of the 500kV Power System in East China Grid

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- Analysis of Short-current Failures of the 500kV Power System in East China Grid
- High VoltageApparatus Issue 3, Pages: 221-224(2008)
- 作者机构：
  
  1. 华东电网有限公司
  2. 华东电力试验研究院有限公司
- 作者简介：
- 基金信息：
- DOI：
  CLC： TM713
- Published：2008
- 稿件说明：
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[1]刘兆林,殷敏莉.华东500kV电网短路电流情况的调查[J].高压电器,2008(03):221-224.

LIU Zhao-lin1, YIN Min-li2. Analysis of Short-current Failures of the 500kV Power System in East China Grid[J]. High voltageapparatus, 2008, (3): 221-224.
[1]刘兆林,殷敏莉.华东500kV电网短路电流情况的调查[J].高压电器,2008(03):221-224. DOI：

LIU Zhao-lin1, YIN Min-li2. Analysis of Short-current Failures of the 500kV Power System in East China Grid[J]. High voltageapparatus, 2008, (3): 221-224. DOI：

摘要

为了了解系统在短路故障时短路电流的表现

笔者调查了近几年来华东500kV电网故障中的短路电流情况

对收集到的短路电流数据和波形进行了统计分析

所得到的分析结果如系统时间常数、短路电流幅值、故障性质等可供今后规划系统发展、开关设备选型、安全运行和继电保护等专业参考。

Abstract

In order to understand the performance of short-circuit at fault in system

this paper investigated the short-current failures of the 500 kV power system in East China in recent years

statistically analyzed the short-currents and waveforms

and obtained such parameters as time constant of system

amplitude of short-current

and failure property. The results can provide references for system plan

switchgear selection

safe operation

and relay protection.

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Related Institution

Xi’an High Voltage Apparatus Research Institute Co.,Ltd.

College of Electrical Engineering and Automation,Fuzhou University

College of Electrical Engineering,Southwest Jiaotong University

Northwest Branch of the State Grid Corporation of China

Beijing Kedong Electric Power Control System Co.,Ltd.

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