Modification of the 800 kV Tank Circuit Breaker’s Hydraulic Mechanism in Pingliang Substation

LI Hai-bo

doi:10.13296/j.1001-1609.hva.2010.07.005

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Modification of the 800 kV Tank Circuit Breaker’s Hydraulic Mechanism in Pingliang Substation

更新时间：2025-04-26

- Modification of the 800 kV Tank Circuit Breaker’s Hydraulic Mechanism in Pingliang Substation
- High VoltageApparatus Vol. 46, Issue 7, Pages: 23-26(2010)
- 作者机构：
  
  西北电网有限公司兰州输变电运行公司
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2010.07.005
  CLC： TM561
- Published：2010
- 稿件说明：
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[1]李海波.平凉变800kV罐式断路器液压机构改造[J].高压电器,2010,46(07):23-26.

LI Hai-bo. Modification of the 800 kV Tank Circuit Breaker’s Hydraulic Mechanism in Pingliang Substation[J]. High voltageapparatus, 2010, 46(7): 23-26.
[1]李海波.平凉变800kV罐式断路器液压机构改造[J].高压电器,2010,46(07):23-26. DOI： 10.13296/j.1001-1609.hva.2010.07.005.

LI Hai-bo. Modification of the 800 kV Tank Circuit Breaker’s Hydraulic Mechanism in Pingliang Substation[J]. High voltageapparatus, 2010, 46(7): 23-26. DOI： 10.13296/j.1001-1609.hva.2010.07.005.

摘要

结合一起800kV罐式断路器液压机构频繁打压故障

深入分析原因

对机构压力控制、安全阀、限压电阻等元件进行了相关测试

对液压机构压力参数配置进行了检查

找出了引发故障的根本原因

制定了相应的解决措施

彻底消除了机构存在的安全隐患

为后续800kV罐式断路器顺利投产奠定了基础。

Abstract

This study analyzed a frequent failure of the hydraulic mechanism of the 800 kV tank circuit breaker in Pingliang transformer substation

examined the pressure control

safety valve

and voltage limiting resistance

and checked the pressure parameter setting of the hydraulic mechanism. Consequently

the cause of the failure was discovered

and a countermeasure was taken to completely eliminate this failure.

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