Mechanical Reliability Calculation and Analysis for Key Mechanical Components in Vacuum Circuit Breaker

SHI Fei1; LIN Xin1; XU Jian-yuan1; ZHOU Xiao-mo2; LAO Zhong-wei2; WANG Li-dong2

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Mechanical Reliability Calculation and Analysis for Key Mechanical Components in Vacuum Circuit Breaker

更新时间：2025-04-26

- Mechanical Reliability Calculation and Analysis for Key Mechanical Components in Vacuum Circuit Breaker
- High VoltageApparatus Issue 1, Pages: 32-35(2005)
- 作者机构：
  
  1.   沈阳工业大学电气工程学院
  2.   许昌永新电器设备有限公司
  3.   许昌永新电器设备有限公司辽宁沈阳110023
  4.   河南许昌461000
- 作者简介：
- 基金信息：
- DOI：
  CLC： TM561.2
- Published：2005
- 稿件说明：
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[1]石飞,林莘,徐建源,周晓默,劳忠伟,王力东.真空断路器中关键零件机械可靠性计算与分析[J].高压电器,2005(01):32-35.

SHI Fei1, LIN Xin1, XU Jian-yuan1, et al. Mechanical Reliability Calculation and Analysis for Key Mechanical Components in Vacuum Circuit Breaker[J]. High voltageapparatus, 2005, (1): 32-35.
[1]石飞,林莘,徐建源,周晓默,劳忠伟,王力东.真空断路器中关键零件机械可靠性计算与分析[J].高压电器,2005(01):32-35. DOI：

SHI Fei1, LIN Xin1, XU Jian-yuan1, et al. Mechanical Reliability Calculation and Analysis for Key Mechanical Components in Vacuum Circuit Breaker[J]. High voltageapparatus, 2005, (1): 32-35. DOI：

摘要

给出了两种与高压断路器机械可靠性特点相适应的机械可靠性计算模型

并运用模型对目前在我国中压电网中应用十分广泛的真空断路器的机械可靠性进行了计算与分析

得到了对断路器机械可靠性影响较大的主要机械零部件的设计可靠度和在断路器不同开断次数下的可靠度

为提高高压断路器的可靠性提供了理论依据。

Abstract

In this paper

two mechanical reliability calculation models

which are adaptive to the analysis of high voltage circuit breaker mechanical reliability

are presented. With the two models

the mechanical reliability of vacuum circuit breaker

which is widely used in medium voltage net

is calculated and analyzed. The designing confidence level of the key mechanical components

which are important to mechanical reliability of vacuum circuit breaker and their corresponding confidence level under different breaking time are calculated respectively. The calculation results provide a theoretical basis for improving the reliability of high voltage circuit breaker.

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