Research on Two-shot Auto-reclosing for EHV Transmission Lines

LIU Kui; YANG Huimin; SHEN Jun; LIU Dongchao; ZHAO Qingchun; YANG Xinping

doi:10.13296/j.1001-1609.hva.2017.12.023

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Research on Two-shot Auto-reclosing for EHV Transmission Lines

更新时间：2025-04-26

- Research on Two-shot Auto-reclosing for EHV Transmission Lines
- High VoltageApparatus Vol. 53, Issue 12, Pages: 140-144(2017)
- 作者机构：
  
  1. 南京南瑞继保电气有限公司
  2. 华北电网有限公司
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2017.12.023
  CLC： TM75;TM762.2
- Published：2017
- 稿件说明：
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[1]刘奎,杨慧敏,沈军,刘东超,赵青春,杨心平.超高压输电线路二次自动重合闸应用研究[J].高压电器,2017,53(12):140-144.

LIU Kui, YANG Huimin, SHEN Jun, et al. Research on Two-shot Auto-reclosing for EHV Transmission Lines[J]. High voltageapparatus, 2017, 53(12): 140-144.
[1]刘奎,杨慧敏,沈军,刘东超,赵青春,杨心平.超高压输电线路二次自动重合闸应用研究[J].高压电器,2017,53(12):140-144. DOI： 10.13296/j.1001-1609.hva.2017.12.023.

LIU Kui, YANG Huimin, SHEN Jun, et al. Research on Two-shot Auto-reclosing for EHV Transmission Lines[J]. High voltageapparatus, 2017, 53(12): 140-144. DOI： 10.13296/j.1001-1609.hva.2017.12.023.

摘要

目前中国超高压输电线路上普遍采用一次自动重合闸

对二次自动重合闸鲜有研究。笔者分析了在某些超高压输电线路上合理设置第二次自动重合闸对系统的有利影响

提出了应用于500 kV输电线路的二次自动重合闸装置的设计思路

并介绍了在现有保护装置上增加第二次重合闸功能的一种具体实施方法。分析结果表明

在某些超高压输电线路上实施二次自动重合闸

能够提高电力系统的稳定性。依据研究开发的二次自动重合闸装置在华北电网试点运行效果良好。

Abstract

In China

EHV transmission lines usually adopt one-shot auto-reclosing scheme.In this paper

the favorable effects of properly designed two-shot auto-reclosing scheme for some EHV transmission lines are analyzed

and the design idea of a two-shot auto-reclosing device for 500 kV transmission lines is introduced.Furthermore

the implementation method of adding second-shot auto-reclosing function to existing protection devices is discussed.Analysis shows that the stability of the power system can be improved by applying two 0 shot auto-reclosing scheme to some EHV transmission lines.The two-shot auto-reclosing devices have been applied to the North China Power Grid and have achieved good operation effect.

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Related Author

YANG Fang1

ZHENG Ya-li2

ZHANG Xi-peng3

Related Institution

Guangxi Power Grid Corporation Hezhou Power Supply Burea

State Key Laboratory of Power Transmission Equipment & System Security and New Technology,Chongqing Uniersity

Chongqing Electric Power Corporation Bishan Power Supply Bureau

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