| 一起电厂给水泵电机零序保护事故的分析 |
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| 引用本文： | 冯辰虎,胡星岩,张海瑞,宋金鹏,陈宁. 一起电厂给水泵电机零序保护事故的分析[J]. 华北电力技术, 2009, 0(9): 37-40 |
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| 作者姓名： | 冯辰虎 胡星岩 张海瑞 宋金鹏 陈宁 |
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| 作者单位： | 华北电力科学研究院有限责任公司,北京,100045;北京电力公司城区供电公司,北京,100034;陕西国华锦界能源有限责任公司,陕西,神木,719319;华北电力大学,北京,102206 |
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| 摘 要： | 某电厂在2008年6月发电机启动前启动给水泵电机时,部分给水泵电机保护误动.文章详细描述了现场事故调查和试验分析过程,通过对事故的深入分析,合理地解释了事故发生的原因,为类似事故的查找和避免指明了方向.
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| 关 键 词： | 继电保护 TA二次回路分流 零序过流 |
Analysis of A Water Feeding Pump Motor Zero Sequence Protection Malfunctioning Accident |
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| Feng Chen-hu,Hu Xing-yan,Zhang Hai-rui,Song Jin-peng,Chen Ning. Analysis of A Water Feeding Pump Motor Zero Sequence Protection Malfunctioning Accident[J]. North China Electric Power, 2009, 0(9): 37-40 |
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| Authors: | Feng Chen-hu Hu Xing-yan Zhang Hai-rui Song Jin-peng Chen Ning |
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| Affiliation: | 1.North China Electric Power Research Institute Co.Ltd.;Beijing 100045;China;2.Beijing Downtown Area Electric Power Company;Beijing 100034;3.Shanxi Guohua Jinjie Power Co.Ltd.;Shenmu 719319;4.North China Electric Power University;Beijing 102206;China |
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| Abstract: | In June 2008,before the starting of a generator and feedwater pump motor,at a power plant,the zero sequence protection,for some of the water feeding pumps motors malfunctioned.This article presented a detailed report on investigation of the scene and testing run analysis.By analysis we pointed out reasons of these accidents and presented solutions for future running. |
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| Keywords: | relay protection secondary loop bypass zero sequence over current |
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