Electrodynamic Force Analysis and Design Improvement of 12 kV Withdrawable Circuit Breaker

WANG Hongyan

doi:10.13296/j.1001-1609.hva.2016.09.009

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Electrodynamic Force Analysis and Design Improvement of 12 kV Withdrawable Circuit Breaker

更新时间：2025-04-26

- Electrodynamic Force Analysis and Design Improvement of 12 kV Withdrawable Circuit Breaker
- High VoltageApparatus Vol. 52, Issue 9, Pages: 50-54+60(2016)
- 作者机构：
  
  ABB（中国）有限公司
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2016.09.009
  CLC： TM561
- Published：2016
- 稿件说明：
移动端阅览
[1]王红艳.12kV可移开式手车断路器的电动力分析及设计改进[J].高压电器,2016,52(09):50-54+60.

WANG Hongyan. Electrodynamic Force Analysis and Design Improvement of 12 kV Withdrawable Circuit Breaker[J]. High voltageapparatus, 2016, 52(9): 50-54+60.
[1]王红艳.12kV可移开式手车断路器的电动力分析及设计改进[J].高压电器,2016,52(09):50-54+60. DOI： 10.13296/j.1001-1609.hva.2016.09.009.

WANG Hongyan. Electrodynamic Force Analysis and Design Improvement of 12 kV Withdrawable Circuit Breaker[J]. High voltageapparatus, 2016, 52(9): 50-54+60. DOI： 10.13296/j.1001-1609.hva.2016.09.009.

摘要

为解决产品研发过程中12 kV可移开式手车断路器插入式梅花触头的烧损问题

文中通过对手车断路器短路电流下的电动力受力分析

及利用有限元分析软件对在该电动力作用下的结构力学分析

完成了触头烧损原因分析并进行了设计优化改进

最终还通过产品型式试验和试验时实际电动力作用下变形位移的测量

验证了原因分析及设计改进的有效性

同时获得不同试验工况下

电动力对可移开式手车断路器影响的差异性对比数据。

Abstract

To solve the tulip contact erosion problem of a 12 kV withdrawable circuit breaker

the electrodynamic force on the circuit breaker with short circuit current was analyzed

a structural mechanics analysis of the circuit breaker under the electrodynamic force was conducted by means of using finite element analysis software

and the causes of the erosion were obtained. Subsequently

the design was improved. Type test of the circuit breaker and the measured deformation of the contact under real electrodynamic force verify the correctness of the above analysis and design optimization. In addition

the effects of electrodynamic force on the 12 kV withdrawable circuit breaker in different test conditions were achieved.

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