Design of 40.5kV SF<sub>6</sub> Circuit Breaker for Switching Reactive Loads

YANG Fang; ZHU Zhihao; YUAN Duanlei; CAO Shengli

doi:10.13296/j.1001-1609.hva.2014.11.018

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Design of 40.5kV SF₆ Circuit Breaker for Switching Reactive Loads

更新时间：2025-04-26

- Design of 40.5kV SF₆ Circuit Breaker for Switching Reactive Loads
- High VoltageApparatus Vol. 50, Issue 11, Pages: 103-108(2014)
- 作者机构：
  
  平高集团有限公司
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2014.11.018
  CLC： TM561.3
- Published：2014
- 稿件说明：
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[1]杨芳,朱志豪,袁端磊,曹胜利.40.5kV投切无功负载专用SF_6断路器设计[J].高压电器,2014,50(11):103-108.

YANG Fang, ZHU Zhihao, YUAN Duanlei, et al. Design of 40.5kV SF₆ Circuit Breaker for Switching Reactive Loads[J]. High voltageapparatus, 2014, 50(11): 103-108.
[1]杨芳,朱志豪,袁端磊,曹胜利.40.5kV投切无功负载专用SF_6断路器设计[J].高压电器,2014,50(11):103-108. DOI： 10.13296/j.1001-1609.hva.2014.11.018.

YANG Fang, ZHU Zhihao, YUAN Duanlei, et al. Design of 40.5kV SF₆ Circuit Breaker for Switching Reactive Loads[J]. High voltageapparatus, 2014, 50(11): 103-108. DOI： 10.13296/j.1001-1609.hva.2014.11.018.

摘要

首先简要分析了投切无功负载专用断路器的研究现状

然后基于投切无功负载过电压较高的特点

采取提高分闸速度

优化电场和气流场等措施设计出一种投切电容器组、电抗器组专用SF6断路器

对断路器的灭弧室在开断过程中的气流场、电场等进行了仿真计算

根据仿真和理论分析计算了开断后介质强度恢复特性

分析表明该断路器能满足设计要求。最后按照IEC 62271-100:2003标准要求

对该断路器在荷兰KEMA试验站顺利通过了投切高参数无功负载的相关型式试验

验证了设计的正确性。

Abstract

In this study

the research status of circuit breakers for switching reactive loads was reviewed briefly.Then

a dedicated SF6 circuit breaker for switching capacitor banks and reactors was designed considering the characteristic of high overvoltage during switching reactive loads. In the design process

such methods as for increasing the opening speed of the circuit breaker and optimizing the electric and gas flow fields were adopted to improve the breaker’s performance. Subsequently

the electric and gas flow fields in the interrupter was simulated.Based on the simulation and theoretical analysis

the dielectric strength was calculated

indicating that this circuit breaker can satisfy the design requirement. In addition

in accordance with the requirements in the standard IEC62271-100:2003

the designed circuit breaker passed the type test of switching reactive loads with high parameters in the KEMA test station in the Netherlands

validating the correctness of the design.

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Design of 40.5kV SF6 Circuit Breaker for Switching Reactive Loads

DOI：10.13296/j.1001-1609.hva.2014.11.018

摘要

Abstract

关键词

Keywords

references

Design of 40.5kV SF₆ Circuit Breaker for Switching Reactive Loads