Reliability Improvement of Closing Resistor for 550 kV Column Circuit Breaker

LI Honglou; ZHANG Fan; SUN Longyong; WANG Xiangke; LIU Li; YAO Canjiang; MENG Yan; JIN Tao; XU Gang; WANG Fuya; SHI Lifang; YUAN Panke; JIA Yue; TONG Zhipeng; CEHN Wuyang

doi:10.13296/j.1001-1609.hva.2021.01.023

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Reliability Improvement of Closing Resistor for 550 kV Column Circuit Breaker

更新时间：2025-04-26

- Reliability Improvement of Closing Resistor for 550 kV Column Circuit Breaker
- High VoltageApparatus Vol. 57, Issue 1, Pages: 157-164(2021)
- 作者机构：
  
  1. 平高集团有限公司
  2. 国网山西省电力公司电力科学研究院
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2021.01.023
  CLC： TM561
- Published：2021
- 稿件说明：
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[1]李宏楼,张帆,孙龙勇,王向克,刘力,姚灿江,孟岩,晋涛,徐刚,王福亚,师丽芳,袁攀科,贾月,佟志鹏,陈午阳.550 kV柱式断路器合闸电阻可靠性改进[J].高压电器,2021,57(01):157-164.

LI Honglou, ZHANG Fan, SUN Longyong, et al. Reliability Improvement of Closing Resistor for 550 kV Column Circuit Breaker[J]. High voltageapparatus, 2021, 57(1): 157-164.
[1]李宏楼,张帆,孙龙勇,王向克,刘力,姚灿江,孟岩,晋涛,徐刚,王福亚,师丽芳,袁攀科,贾月,佟志鹏,陈午阳.550 kV柱式断路器合闸电阻可靠性改进[J].高压电器,2021,57(01):157-164. DOI： 10.13296/j.1001-1609.hva.2021.01.023.

LI Honglou, ZHANG Fan, SUN Longyong, et al. Reliability Improvement of Closing Resistor for 550 kV Column Circuit Breaker[J]. High voltageapparatus, 2021, 57(1): 157-164. DOI： 10.13296/j.1001-1609.hva.2021.01.023.

摘要

以550 kV柱式断路器合闸电阻为研究对象

阐述了影响其整机可靠性的关键装置—脱扣装置结构以及工作机理

论证了脱扣装置故障发生的原因以及危害程度。借助现代设计方法有限元仿真分析脱扣装置各部件在工作过程中的受力情况

并根据相应的仿真计算结果提出了优化改进措施

对优化后的结果进行反馈验证

产品零部件的安全系数具有较大的提升。同时

在仿真分析的基础上

依据优化结果设计相应试验样机

最后通过5 000次机械操作试验进行可靠性和稳定性验证

效果良好。

Abstract

The closing resistor for 550 kV live tank circuit breaker is taken as the study object

the structure and working mechanism of the tripping device-the key device affecting the reliability of the circuit breaker is described

the cause and danger extent of the tripping device

in case of fault

is demonstrated.With the help of modern design methods and finite element simulation

the stress of each part of the tripping device during the working process is analyzed and optimization and improvement measures are proposed based on corresponding simulation calculation result.The safety factor of the product parts has been greatly improved by way of feedback verification of the result after optimization.At the same time

the corresponding test prototype is designed based on the simulation analysis and in accordance with the optimization result.Finally

the reliability and stability are verified by 5 000 times mechanical operation tests and perfect effected is obtained.

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