Optimal Arcing Interval of Phase-controlled Vacuum Circuit Breaker

SHU Sheng-wen1; RUAN Jiang-jun1; HUANG Dao-chun1; WU Gao-bo1; LIU Bing2

doi:10.13296/j.1001-1609.hva.2012.08.002

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Optimal Arcing Interval of Phase-controlled Vacuum Circuit Breaker

更新时间：2025-04-26

- Optimal Arcing Interval of Phase-controlled Vacuum Circuit Breaker
- High VoltageApparatus Vol. 48, Issue 8, Pages: 1-6+12(2012)
- 作者机构：
  
  1. 武汉大学电气工程学院
  2. 华中电网有限公司
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2012.08.002
  CLC： TM561.2
- Published：2012
- 稿件说明：
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[1]舒胜文,阮江军,黄道春,吴高波,刘兵.相控真空断路器的最佳燃弧区间研究[J].高压电器,2012,48(08):1-6+12.

SHU Sheng-wen1, RUAN Jiang-jun1, HUANG Dao-chun1, et al. Optimal Arcing Interval of Phase-controlled Vacuum Circuit Breaker[J]. High voltageapparatus, 2012, 48(8): 1-6+12.
[1]舒胜文,阮江军,黄道春,吴高波,刘兵.相控真空断路器的最佳燃弧区间研究[J].高压电器,2012,48(08):1-6+12. DOI： 10.13296/j.1001-1609.hva.2012.08.002.

SHU Sheng-wen1, RUAN Jiang-jun1, HUANG Dao-chun1, et al. Optimal Arcing Interval of Phase-controlled Vacuum Circuit Breaker[J]. High voltageapparatus, 2012, 48(8): 1-6+12. DOI： 10.13296/j.1001-1609.hva.2012.08.002.

摘要

最佳燃弧区间的确定是相控真空断路器应用于短路电流开断时必须解决的问题之一。针对真空断路器弧后介质强度恢复过程的2个主要阶段:鞘层发展阶段和金属蒸气衰减阶段

分别建立了数学模型

提出了采用特征参数来表征它在2个不同阶段的开断能力。仿真分析了燃弧时间对这些特征参数即开断能力的影响

从而得到了最佳燃弧区间。通过对比10 kV和35 kV系统用真空断路器最佳燃弧区间的试验研究结果

证明了仿真分析的有效性。

Abstract

Determination of optimal arcing interval is one of the problems which must be solved in applying phase-controlled vacuum circuit breaker（VCB）to break short-circuit current.For two major periods of post-arc dielectric strength recovery process of VCB

i.e.sheath expanding period and metal vapor decaying period

mathematical models were established in this paper

and characteristic parameters were used to represent breaking capacity.Influence of arcing time on these characteristic parameters was simulated and analyzed

thus the optimal arcing interval was obtained.By comparing simulation and test results of VCBs used in 10 kV and 35 kV power systems

the validity of simulation was proved.

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