The Analysis on Whether ZnO Surge Arrester Can Protect H.V. Motor from Damage Caused by Switching Overvoltage of Vacuum Circuit Breaker

Shang Zhenqiu

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The Analysis on Whether ZnO Surge Arrester Can Protect H.V. Motor from Damage Caused by Switching Overvoltage of Vacuum Circuit Breaker

更新时间：2025-04-26

- The Analysis on Whether ZnO Surge Arrester Can Protect H.V. Motor from Damage Caused by Switching Overvoltage of Vacuum Circuit Breaker
- High VoltageApparatus Issue 3, Pages: 3-6(1989)
- 作者机构：
  
  西安交通大学
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：1989
- 稿件说明：
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[1]尚振球.ZnO避雷器能否保护高压电动机免受真空断路器操作过电压危害的分析[J].高压电器,1989(03):3-6.

Shang Zhenqiu. The Analysis on Whether ZnO Surge Arrester Can Protect H.V. Motor from Damage Caused by Switching Overvoltage of Vacuum Circuit Breaker[J]. High voltageapparatus, 1989, (3): 3-6.
[1]尚振球.ZnO避雷器能否保护高压电动机免受真空断路器操作过电压危害的分析[J].高压电器,1989(03):3-6. DOI：

Shang Zhenqiu. The Analysis on Whether ZnO Surge Arrester Can Protect H.V. Motor from Damage Caused by Switching Overvoltage of Vacuum Circuit Breaker[J]. High voltageapparatus, 1989, (3): 3-6. DOI：

摘要

通过理论分析表明

由于操作过电压主要产生在高压电动机的相与相之间

而现行的ZnO避雷器皆为星形接线

所以

它对高压电动机相对地的绝缘可起到一定的保护作用

而对相对相之间的绝缘则完全不能进行保护。

Abstract

Theoritical analysis shows that switching overvoltage mainly arises between phase and phase

so Y-scheme of ZnO surge arrester can only protect the phase-earth insulation of H.V. motor in some way but not phase -phase insulation.

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