Theoretical Analysis on 126 kV Double-break Vacuum Circuit Breaker

WEN Hua-bin1; ZOU Ji-yan1; LAO Min-fu1; ZHENG Zhan-feng1; WANG Bang-tian2

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Theoretical Analysis on 126 kV Double-break Vacuum Circuit Breaker

更新时间：2025-04-26

- Theoretical Analysis on 126 kV Double-break Vacuum Circuit Breaker
- High VoltageApparatus Vol. 45, Issue 2, Pages: 14-17(2009)
- 作者机构：
  
  1. 大连理工大学电气工程与应用电子技术系
  2. 许继集团有限公司
- 作者简介：
- 基金信息：
- DOI：
  CLC： TM561.2
- Published：2009
- 稿件说明：
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[1]文化宾,邹积岩,廖敏夫,郑占锋,王帮田.126 kV双断口真空断路器的理论分析[J].高压电器,2009,45(02):14-17.

WEN Hua-bin1, ZOU Ji-yan1, LAO Min-fu1, et al. Theoretical Analysis on 126 kV Double-break Vacuum Circuit Breaker[J]. High voltageapparatus, 2009, 45(2): 14-17.
[1]文化宾,邹积岩,廖敏夫,郑占锋,王帮田.126 kV双断口真空断路器的理论分析[J].高压电器,2009,45(02):14-17. DOI：

WEN Hua-bin1, ZOU Ji-yan1, LAO Min-fu1, et al. Theoretical Analysis on 126 kV Double-break Vacuum Circuit Breaker[J]. High voltageapparatus, 2009, 45(2): 14-17. DOI：

摘要

在分析国内外高电压等级真空开关研究的基础上

提出了研发126 kV双断口真空断路器的必要性和可行性

并针对双断口真空开关存在的缺陷提出了解决措施。在双断口均压问题上

笔者给出一种新型126 kV双断口真空断路器

通过理论分析

表明这种设计具有较好的断口均压特性

避免了采用断口并联电容均压方式带来的不利影响。利用永磁机构传动精度高的特点

将其应用在双断口真空断路器中

保证了双断口合分动作的同步性。

Abstract

By analyzing the current researches of high voltage vacuum switch

the necessity and feasibility to research and develop 126 kV double-break vacuum circuit breaker are demonstrated

and some countermeasures are presented against the defects of the conventional double-break vacuum switch.Consequently

a new type of 126 kV double-break vacuum circuit breaker is proposed

and theoretical analysis illustrates its better voltage distribution in each break to avoid the adverse influence of voltage-sharing capacitance in parallel with each break.A permanent magnetic actuator with high moving precision is applied to the double-break vacuum circuit breaker to ensure the synchronization of double-break action.

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