Circuit Breakers Selection Method for Large-capacity AC High-voltage Generator

ZHANG Shuang

doi:10.13296/j.1001-1609.hva.2011.11.009

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Circuit Breakers Selection Method for Large-capacity AC High-voltage Generator

更新时间：2025-04-26

- Circuit Breakers Selection Method for Large-capacity AC High-voltage Generator
- High VoltageApparatus Vol. 47, Issue 11, Pages: 77-80+86(2011)
- 作者机构：
  
  广东省电力设计研究院
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2011.11.009
  CLC： TM561
- Published：2011
- 稿件说明：
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[1]张爽.大容量发电机出口断路器选择[J].高压电器,2011,47(11):77-80+86.

ZHANG Shuang. Circuit Breakers Selection Method for Large-capacity AC High-voltage Generator[J]. High voltageapparatus, 2011, 47(11): 77-80+86.
[1]张爽.大容量发电机出口断路器选择[J].高压电器,2011,47(11):77-80+86. DOI： 10.13296/j.1001-1609.hva.2011.11.009.

ZHANG Shuang. Circuit Breakers Selection Method for Large-capacity AC High-voltage Generator[J]. High voltageapparatus, 2011, 47(11): 77-80+86. DOI： 10.13296/j.1001-1609.hva.2011.11.009.

摘要

针对大容量发电机出口断路器的选择问题

依据GB/T14824—2008、IEEEStdC37.013—1997和IEC60909-0—2001中的计算方法

并结合发电机出口断路器型式试验报告的有关数据

以某百万千瓦级发电机组为例进行了比较计算

分析计算结果

提出了对发电机出口短路器短路电流开断能力不能采用百分比而应采用绝对值进行校验。

Abstract

For selecting large-capacity AC high-voltage generator circuit breakers in a large generator system

comparative calculations are conducted for a million kilowatts rated generator following the standards of GB/T 14824—2008

IEEE Std C37.013—1997 and IEC 60909-0—2001.The calculation results and the test reports of generator circuit breakers are analyzed

and a suggestion is hence offered that absolute value of short-circuit current should be used for examining the short-circuit current breaking capacity of an AC high-voltage generator circuit breaker instead of percentage value.

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