Research and Design of 40.5 kV Double-break Vacuum Circuit Breaker for Reactive Power Switching

PENG Jing; DENG Yunkun; ZHAO Xianping; WANG Ke; MA Yi; TAN Xiangyu; ZHANG Gongyuan; WANG Xin; LI Rui; LIN Qingquan; LIU Jifeng

doi:10.13296/j.1001-1609.hva.2020.11.007

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Research and Design of 40.5 kV Double-break Vacuum Circuit Breaker for Reactive Power Switching

更新时间：2025-04-26

- Research and Design of 40.5 kV Double-break Vacuum Circuit Breaker for Reactive Power Switching
- High VoltageApparatus Vol. 56, Issue 11, Pages: 39-45(2020)
- 作者机构：
  
  1. 云南电网有限责任公司电力科学研究院
  2. 云南电网有限责任公司
  3. 云南电网有限责任公司迪庆供电局
  4. 麦克奥迪(厦门)电气股份有限公司
  5. 深圳市国立智能电力科技有限公司
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2020.11.007
  CLC： TM561.2
- Published：2020
- 稿件说明：
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[1]彭晶,邓云坤,赵现平,王科,马仪,谭向宇,张恭源,王欣,李瑞,林庆权,刘继峰.40.5 kV无功投切用双断口真空断路器的研究与设计[J].高压电器,2020,56(11):39-45.

PENG Jing, DENG Yunkun, ZHAO Xianping, et al. Research and Design of 40.5 kV Double-break Vacuum Circuit Breaker for Reactive Power Switching[J]. High voltageapparatus, 2020, 56(11): 39-45.
[1]彭晶,邓云坤,赵现平,王科,马仪,谭向宇,张恭源,王欣,李瑞,林庆权,刘继峰.40.5 kV无功投切用双断口真空断路器的研究与设计[J].高压电器,2020,56(11):39-45. DOI： 10.13296/j.1001-1609.hva.2020.11.007.

PENG Jing, DENG Yunkun, ZHAO Xianping, et al. Research and Design of 40.5 kV Double-break Vacuum Circuit Breaker for Reactive Power Switching[J]. High voltageapparatus, 2020, 56(11): 39-45. DOI： 10.13296/j.1001-1609.hva.2020.11.007.

摘要

针对40.5 kV真空断路器投切电容器组时重击穿概率高和投切电抗器时多次重燃而引发的过电压问题

采用双断口技术进行无功投切是切实可行的解决方案之一。为此

文中对40.5 kV双断口真空断路器的关键技术进行了深入研究

给出了双断口真空断路器绝缘特性的实验测量方法

获得了均压电容对其工频耐压和雷电冲击耐压特性的影响规律

研究了触头材料对真空灭弧室无功投切性能的影响

完成了专用真空灭弧室和固封极柱的优化设计方案

在此基础上完成断路器整机设计并研制出样机

开展了相关的性能验证试验以满足电力系统的要求。

Abstract

Aiming at the overvoltage problem caused by the high probability of restriking when 40.5 kV vacuum circuit breaker switching the capacitor bank and multiple reburning when switching the reactor

it is one of the feasible solutions to use double-break technology for reactive power switching.Therefore

in this paper

the key technology of a 40.5 kV double-break vacuum circuit breaker was researched.The experimental method for measuring insulating properties was given and the influence law of grading capacitance on power frequency and lightning impulse insulation characteristics was obtained.Then

the influence of contact material on the reactive power switching performance of vacuum interrupter was studied

optimized design of special vacuum interrupter and solid-insulation-embedded pole was proposed.On this basis

a 40.5 kV double-break vacuum circuit breaker was developed and the related performance verification test was carried out to meet the requirements of power system.

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