The Calculation Method of Dynamic Temperature and Pressure Characteristics in the Puffer Chamber of SF6 GCB during Nozzle Clogging

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The Calculation Method of Dynamic Temperature and Pressure Characteristics in the Puffer Chamber of SF6 GCB during Nozzle Clogging

更新时间：2025-04-26

- The Calculation Method of Dynamic Temperature and Pressure Characteristics in the Puffer Chamber of SF6 GCB during Nozzle Clogging
- High VoltageApparatus Issue 2, Pages: 6-13(1994)
- 作者机构：
  
  1.   上海华通开关厂
  2.   上海第二轻工业学校 200072
  3.   200135
- 作者简介：
- 基金信息：
- DOI：
  CLC： TM561
- Published：1994
- 稿件说明：
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[1]施文耀,施晔.热堵塞时SF_6断路器灭弧室压力特性的计算方法及其应用[J].高压电器,1994(02):6-13.

The Calculation Method of Dynamic Temperature and Pressure Characteristics in the Puffer Chamber of SF6 GCB during Nozzle Clogging[J]. High voltageapparatus, 1994, (2): 6-13.
[1]施文耀,施晔.热堵塞时SF_6断路器灭弧室压力特性的计算方法及其应用[J].高压电器,1994(02):6-13. DOI：

The Calculation Method of Dynamic Temperature and Pressure Characteristics in the Puffer Chamber of SF6 GCB during Nozzle Clogging[J]. High voltageapparatus, 1994, (2): 6-13. DOI：

摘要

根据喷口电弧的物理模型

提出了热堵塞时压力特性的计算方法.同时

对ELE SL系列SF

断路器灭弧室开断电流时压力特性的数值进行了计算

并与瑞士巴登试验站得到的实测值进行了比较

二者基本一致.

Abstract

Based on a physical model of arc at the nozzle and the First Law of Thermaldynamics .a calculating method of temperature and pressure characteristics in a SF6 puffer chamber is derived when the nozzle is clogged. A comparison is made between the calculated pressure characteristics on interrupting current of ELF SL type SF6 GCB and the measured ones gained from Baden test station in Switzerland

showing that they are in good agreement.

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