Special Operating Conditions and Structural Design Requirements of the Circuit Breakers for EHV/UHV AC Filters

LI Bin; WANG Tingxiang; ZHANG Changhong; ZHANG Shehong

doi:10.13296/j.1001-1609.hva.2017.12.014

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Special Operating Conditions and Structural Design Requirements of the Circuit Breakers for EHV/UHV AC Filters

更新时间：2025-04-26

- Special Operating Conditions and Structural Design Requirements of the Circuit Breakers for EHV/UHV AC Filters
- High VoltageApparatus Vol. 53, Issue 12, Pages: 87-92(2017)
- 作者机构：
  
  1. 3. 西安法拉电器有限公司
  2. 西安西电高压开关有限责任公司
  3. 南方电网超高压输电公司检修试验中心
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2017.12.014
  CLC： TM561
- Published：2017
- 稿件说明：
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[1]黎斌,王天祥,张长虹,张社宏.超/特高压交流滤波器断路器特殊的运行工况及其结构设计要求[J].高压电器,2017,53(12):87-92.

LI Bin, WANG Tingxiang, ZHANG Changhong, et al. Special Operating Conditions and Structural Design Requirements of the Circuit Breakers for EHV/UHV AC Filters[J]. High voltageapparatus, 2017, 53(12): 87-92.
[1]黎斌,王天祥,张长虹,张社宏.超/特高压交流滤波器断路器特殊的运行工况及其结构设计要求[J].高压电器,2017,53(12):87-92. DOI： 10.13296/j.1001-1609.hva.2017.12.014.

LI Bin, WANG Tingxiang, ZHANG Changhong, et al. Special Operating Conditions and Structural Design Requirements of the Circuit Breakers for EHV/UHV AC Filters[J]. High voltageapparatus, 2017, 53(12): 87-92. DOI： 10.13296/j.1001-1609.hva.2017.12.014.

摘要

介绍了AFC断路器特殊的运行工况关合和开断过程

为适应其要求

提出了与一般线路操作保护用断路器不同的特殊的灭弧室结构设计要求

即通过并联均压电阻改善灭弧室两断口电位分布以提高产品内、外绝缘可靠性

为减轻合闸涌流对开关触头的烧损和限制它产生电磁震荡对电网设备安全的危害

提出了开关合闸电阻的特殊设计。为开发适于交流滤波器操作用的断路器提供了设计方向。

Abstract

The special operating conditions and switching process of the AFC circuit breaker are introduced.To meet the requirements of the circuit breaker

a special design of arc-extinguishing chamber

which is different from that for other common circuit breakers for line operation and protection

is put forward.In this special design

parallel grading resistor is adopted to improve the potential distributions on both fractures of the chamber

so as to enhance the internal and external insulation reliability of the AFC circuit breaker.A special design of switch-closing resistor is also proposed to reduce the burn of the switch contacts due to switching inrush current and to suppress the electromagnetic vibration.

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Related Institution

China Electric Power Research Institute

State Key Laboratory of Power Grid Environmental Protection

Northwest Branch of State Grid Corporation of China

湖北宜昌443005

Yichang Extra-HVDC Operation Administrator Company of State Grid Corporationt

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