高压电器2012，Vol.48Issue(4)：102-105,4.
一起800kV罐式断路器液压机构工作缸断裂事故分析
Analysis of a Fracture Fault of 800 kV Tank Circuit Breaker Hydraulic Working Cylinder
李岩 1吴国忠 1徐贤 1包艳蓉1
作者信息
- 1. 宁夏电力公司电力科学研究院,银川750002
- 折叠
摘要
Abstract
800 kV circuit breaker is an important switchgear to ensure the safe operation of 750 kV power transmission and transformation line. In this paper, an analysis is made into a fracture fault of 800 kV tank circuit breaker hydraulic working cylinder. By checking the strength and analyzing the chemical composition, microstructure, mechanical properties and the manufacturing process, it is found that the overheat treatment to the hydraulic working cylinder caused its cast microstructure. The cast microstructure lead to a decline in elongation, which may result in the fracture fault of the hydraulic working cylinder.关键词
双断口断路器/罐式断路器/液压机构/断裂Key words
double-break circuit breaker/ tank circuit breaker/ hydraulic mechanism/ fracture分类
信息技术与安全科学引用本文复制引用
李岩,吴国忠,徐贤,包艳蓉..一起800kV罐式断路器液压机构工作缸断裂事故分析[J].高压电器,2012,48(4):102-105,4.
