Investigation of Exhausting Gas Hole Position in Moving Contact and Arc Heat Effects on Pressure Characteristic for SF<sub>6</sub> Circuit Breaker

Wang Erzhi Lin Xin Wang Hongfang

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Investigation of Exhausting Gas Hole Position in Moving Contact and Arc Heat Effects on Pressure Characteristic for SF₆ Circuit Breaker

更新时间：2025-04-26

- Investigation of Exhausting Gas Hole Position in Moving Contact and Arc Heat Effects on Pressure Characteristic for SF₆ Circuit Breaker
- High VoltageApparatus Issue 3, Pages: 3-6+48(1996)
- 作者机构：
  
  1. 沈阳工业大学
  2. 沈阳工业大学 110023
- 作者简介：
- 基金信息：
- DOI：
  CLC： TM561
- Published：1996
- 稿件说明：
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[1]王尔智,林莘,王洪方.SF_6断路器动触头排气孔位置及电弧的热效应对灭弧室压力特性影响的研究[J].高压电器,1996(03):3-6+48.

Wang Erzhi Lin Xin Wang Hongfang. Investigation of Exhausting Gas Hole Position in Moving Contact and Arc Heat Effects on Pressure Characteristic for SF₆ Circuit Breaker[J]. High voltageapparatus, 1996, (3): 3-6+48.
[1]王尔智,林莘,王洪方.SF_6断路器动触头排气孔位置及电弧的热效应对灭弧室压力特性影响的研究[J].高压电器,1996(03):3-6+48. DOI：

Wang Erzhi Lin Xin Wang Hongfang. Investigation of Exhausting Gas Hole Position in Moving Contact and Arc Heat Effects on Pressure Characteristic for SF₆ Circuit Breaker[J]. High voltageapparatus, 1996, (3): 3-6+48. DOI：

摘要

建立了计算SF

断路器灭弧室压力特性的数学模型。利用它对国产OFPI—220型SF

断路器进行的计算结果表明

改变动触头排气孔位置及电弧对动触头内腔中气体的热效应可明显提高开断电流时灭弧室压力上升速度。

Abstract

Based on the calculations of the OFPI-220 circuit breaker a math model to compute the pressure characteristic in the arc-extinguishing chamber of the SF6 circuit breaker is derived. The results show that the position of the exhausting gas hole and the arc heat effects on the gas inside the hollow moving contact have obviously raised the pressure rising speed.

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Investigation of Exhausting Gas Hole Position in Moving Contact and Arc Heat Effects on Pressure Characteristic for SF6 Circuit Breaker

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Abstract

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Investigation of Exhausting Gas Hole Position in Moving Contact and Arc Heat Effects on Pressure Characteristic for SF₆ Circuit Breaker