王伟华,张强
WANG Wei-hua,ZHANG Qiang(Zhejiang Guohua Yuyao Gas Turbine Co.

• 1:浙江国华余姚燃气发电有限责任公司

摘要(Abstract)：

大型发电机-变压器组在进行同步并列的过程中或发电机刚退出运行时,可能会发生断路器断口闪络事故,分析了断口产生闪络的原因和增设断口闪络保护的必要性,根据有关闪络保护的技术要求,在UR系列保护中设计了相关逻辑,实现了断口闪络保护的功能。
Breaker fracture flashover accident may occur in the process of synchronous paralleling of large generator-transformer or when the generator is just out of service.The paper analyzes causes for fracture flashover and the necessity of protection.In accordance with technical requirements of flashover protection,the relevant logic is designed in UR series protection to achieve fracture flashover protection.

关键词(KeyWords)： 断路器;断口闪络;UR系列保护;应用
breaker;fracture flashover;UR series protection;application

Abstract:

Keywords:

基金项目(Foundation):

作者(Author): 王伟华,张强
WANG Wei-hua,ZHANG Qiang(Zhejiang Guohua Yuyao Gas Turbine Co.

DOI: 10.19585/j.zjdl.2012.11.009

参考文献(References)：

• 姚仲焕,陈水耀.断口闪络保护的设计与工程应用[J].继电器,2008,36(7):99-103.
• 唐海平.发电机变压器组断口闪络保护[J].发电设备,2004(2):108-109.