Computation and Comparison of Current Parameters of Asymmetrical Current Breaking for Generator Circuit Breaker

ZHAO Qing-bin; HUANG Shi; WU Zhao

doi:10.13296/j.1001-1609.hva.2013.09.019

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Computation and Comparison of Current Parameters of Asymmetrical Current Breaking for Generator Circuit Breaker

更新时间：2025-04-26

- Computation and Comparison of Current Parameters of Asymmetrical Current Breaking for Generator Circuit Breaker
- High VoltageApparatus Vol. 49, Issue 9, Pages: 113-118(2013)
- 作者机构：
  
  西安高压电器研究院有限责任公司
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2013.09.019
  CLC： TM561
- Published：2013
- 稿件说明：
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[1]赵庆斌,黄实,吴钊.发电机断路器非对称电流开断电流参数的计算与标准的分析[J].高压电器,2013,49(09):113-118.

ZHAO Qing-bin, HUANG Shi, WU Zhao. Computation and Comparison of Current Parameters of Asymmetrical Current Breaking for Generator Circuit Breaker[J]. High voltageapparatus, 2013, 49(9): 113-118.
[1]赵庆斌,黄实,吴钊.发电机断路器非对称电流开断电流参数的计算与标准的分析[J].高压电器,2013,49(09):113-118. DOI： 10.13296/j.1001-1609.hva.2013.09.019.

ZHAO Qing-bin, HUANG Shi, WU Zhao. Computation and Comparison of Current Parameters of Asymmetrical Current Breaking for Generator Circuit Breaker[J]. High voltageapparatus, 2013, 49(9): 113-118. DOI： 10.13296/j.1001-1609.hva.2013.09.019.

摘要

笔者采用Excel计算了直流时间常数为150 ms时的非对称电流的零点以及其他参数

推导出不接地系统非对称电流后开相的电流表达式。通过对IEC 62271-37-013和GB 1984—2003相关电流参数的计算和比较

笔者认为讨论中的IEC 62271-37-013在非对称电流试验方法上更接近实际

因为它将后开相的电流参数也考虑在内。

Abstract

The current parameters of asymmetrical current breaking of a generator circuit breaker are calculated with the DC time constant of 150 ms via Microsoft Excel and dichotomy.By analyzing the alternative and direct components

the current formula for last-pole-to-clear condition is derived.According to the calculation of the current parameters and the comparison between the standards IEC 62271-37-013 and GB/T 1984 —2003 for generator circuit break（GCB） asymmetrical current tests

it is concluded that the IEC 62271-37-013 under discussion is more reasonable as it takes the current parameters for last-pole-to-clear condition into consideration.

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