Development of 550 kV/50 kA Single-break Circuit Breaker

WANG Jian-xi1; ZHANG Ya-lin1; CHEN Guo-ping1; MU Shuang-lu1

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Development of 550 kV/50 kA Single-break Circuit Breaker

更新时间：2025-04-26

- Development of 550 kV/50 kA Single-break Circuit Breaker
- High VoltageApparatus Issue 5, Pages: 379-381(2004)
- 作者机构：
  
  1.   西安西开高压电气股份有限公司
  2.   西安西开高压电气股份有限公司陕西西安710077西安交通大学电气工程学院
  3.   陕西西安710049
  4.   陕西西安710077
- 作者简介：
- 基金信息：
- DOI：
  CLC： TM561.3
- Published：2004
- 稿件说明：
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[1]王建西,张雅林,陈国平,穆双录.550kV/50kA单断口断路器的开发[J].高压电器,2004(05):379-381.

WANG Jian-xi1, ZHANG Ya-lin1, CHEN Guo-ping1, et al. Development of 550 kV/50 kA Single-break Circuit Breaker[J]. High voltageapparatus, 2004, (5): 379-381.
[1]王建西,张雅林,陈国平,穆双录.550kV/50kA单断口断路器的开发[J].高压电器,2004(05):379-381. DOI：

WANG Jian-xi1, ZHANG Ya-lin1, CHEN Guo-ping1, et al. Development of 550 kV/50 kA Single-break Circuit Breaker[J]. High voltageapparatus, 2004, (5): 379-381. DOI：

摘要

通过对550kV/63kA双断口断路器和363kV/50kA单断口断路器技术加以改进

利用计算机解析技术

提高了额定SF6气体压力和分闸速度

对弧触头和喷口形状进行了改进

优化了灭弧室结构

从而开发出550kV/50kA单断口罐式断路器样机。该样机分别在国家高压电器质量监督检验中心和KEMA实验站完成了绝缘试验及容性电流、大容量开断等试验项目。550kV单断口断路器所有电气性能得到了确认。

Abstract

Through technical improvement of design of 550 kV/63 kA double-break and 363 kV/50 kA single-break circuit breaker

making use of computer analysis

increasing of the rated pressure of SF6 gas and opening velocity

improving the shape of arcing contact and nozzle

optimizing the structure of interrupter

550 kV/50 kA single-break dead-tank circuit breaker is developed. The test sample of 550 kV/50 kA single-break dead-tank circuit breaker have fulfilled dielectric test

capacitive current breaking test and short-current making and breaking tests

etc. in China National High Voltage Quality Supervision Testing Center and KEMA High Power Laboratory in Holland. All the performance of it has been confirmed successfully.

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