Failure Analysis on Cr18Ni9 Parts of High-voltage Circuit Breakers with Countermeasures

HU Jiarui; LONG Yi; LIU Chun; XIE Yi; CHEN Junjun

doi:10.13296/j.1001-1609.hva.2014.11.026

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Failure Analysis on Cr18Ni9 Parts of High-voltage Circuit Breakers with Countermeasures

更新时间：2025-04-26

- Failure Analysis on Cr18Ni9 Parts of High-voltage Circuit Breakers with Countermeasures
- High VoltageApparatus Vol. 50, Issue 11, Pages: 151-154(2014)
- 作者机构：
  
  湖南省电力公司科学研究院
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2014.11.026
  CLC： TM564
- Published：2014
- 稿件说明：
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[1]胡加瑞,龙毅,刘纯,谢亿,陈军君.高压开关Cr18Ni9部件失效分析及解决措施[J].高压电器,2014,50(11):151-154.

HU Jiarui, LONG Yi, LIU Chun, et al. Failure Analysis on Cr18Ni9 Parts of High-voltage Circuit Breakers with Countermeasures[J]. High voltageapparatus, 2014, 50(11): 151-154.
[1]胡加瑞,龙毅,刘纯,谢亿,陈军君.高压开关Cr18Ni9部件失效分析及解决措施[J].高压电器,2014,50(11):151-154. DOI： 10.13296/j.1001-1609.hva.2014.11.026.

HU Jiarui, LONG Yi, LIU Chun, et al. Failure Analysis on Cr18Ni9 Parts of High-voltage Circuit Breakers with Countermeasures[J]. High voltageapparatus, 2014, 50(11): 151-154. DOI： 10.13296/j.1001-1609.hva.2014.11.026.

摘要

Cr18Ni9不锈钢部件在高压开关中越来越普遍

通过对近几年高压开关Cr18Ni9不锈钢部件失效事故的调查

分析并归纳了其典型的原因

即固溶处理、晶间腐蚀

并提出相应的解决措施

对设计、制造、运行有一定的借鉴意义。

Abstract

The failures of Cr18Ni9 parts of high-voltage circuit breakers

which have happened in power grid in recent years

are investigated

and the typical causes of the failures

i.e.

solid solution treatment and intercrystalline corrosion

are analyzed. In addition

some corresponding countermeasures are proposed to facilitate the design

manufacture

and operation of high-voltage circuit breakers.

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