Simulation Analysis and Diagnosis for Stress Relaxation in Closing Spring of ZN63 Circuit Breaker Operating Mechanism

YANG Ren; FENG Xinglu; ZHANG Jiarui; YUN Xuewei; CHEN Qi; HU Jun; WANG Jianghao; ZHANG Shuquan

doi:10.13296/j.1001-1609.hva.2020.05.004

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Simulation Analysis and Diagnosis for Stress Relaxation in Closing Spring of ZN63 Circuit Breaker Operating Mechanism

更新时间：2025-04-26

- Simulation Analysis and Diagnosis for Stress Relaxation in Closing Spring of ZN63 Circuit Breaker Operating Mechanism
- High VoltageApparatus Vol. 56, Issue 5, Pages: 18-23(2020)
- 作者机构：
  
  1. 国网陕西省电力公司电力科学研究院
  2. 山东泰开高压开关有限公司
  3. 国网陕西省电力公司
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2020.05.004
  CLC： TM561
- Published：2020
- 稿件说明：
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[1]杨韧,冯兴鲁,张家瑞,贠学伟,陈琦,胡俊,汪江浩,张树泉.ZN63型断路器操动机构合闸弹簧应力松弛仿真分析与诊断[J].高压电器,2020,56(05):18-23.

YANG Ren, FENG Xinglu, ZHANG Jiarui, et al. Simulation Analysis and Diagnosis for Stress Relaxation in Closing Spring of ZN63 Circuit Breaker Operating Mechanism[J]. High voltageapparatus, 2020, 56(5): 18-23.
[1]杨韧,冯兴鲁,张家瑞,贠学伟,陈琦,胡俊,汪江浩,张树泉.ZN63型断路器操动机构合闸弹簧应力松弛仿真分析与诊断[J].高压电器,2020,56(05):18-23. DOI： 10.13296/j.1001-1609.hva.2020.05.004.

YANG Ren, FENG Xinglu, ZHANG Jiarui, et al. Simulation Analysis and Diagnosis for Stress Relaxation in Closing Spring of ZN63 Circuit Breaker Operating Mechanism[J]. High voltageapparatus, 2020, 56(5): 18-23. DOI： 10.13296/j.1001-1609.hva.2020.05.004.

摘要

文中通过在动力学仿真软件中建立断路器运动仿真模型

设置不同程度的合闸弹簧应力松弛故障

分析了合闸弹簧应力松弛对断路器操动机构运动特性的影响;采集了断路器操动机构合闸弹簧在正常及应力松弛故障下的振动信号

提出一套基于小波包敏感频段能量法的断路器合闸弹簧应力松弛故障的诊断方法。试验表明

该方法能够有效地区分弹簧是否发生应力松弛故障。

Abstract

A model of the ZN63-type circuit breaker is established by using the dynamic simulation software

and some stress relaxation faults with different degrees are set in the closing spring.The influence of the stress relaxation on the motion characteristics of the operating mechanism is analyzed.The vibration signals of the closing spring in normal state and stress relaxation states are collected

and a diagnosis method of stress relaxation fault of closing spring based on sensitive frequency band energy of wavelet packet decomposition is pro posed.Test result shows that this diagnosis method can effectively diagnose stress relaxation faults in the closing spring.

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