| 一起开关柜设备故障引发的多套保护动作分析 |
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| 引用本文： | 郭碧翔,方振邦,陈国宏,赵昊然. 一起开关柜设备故障引发的多套保护动作分析[J]. 安徽电气工程职业技术学院学报, 2020, 0(1): 70-73 |
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| 作者姓名： | 郭碧翔 方振邦 陈国宏 赵昊然 |
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| 作者单位： | ;1.国网阜阳供电公司;2.国网安徽省电力有限公司电力科学研究院;3.国网六安供电公司 |
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| 摘 要： | 某110 kV变电站发生一起#1主变低压侧开关故障引起的#1和#2主变保护动作跳闸,文章对故障前后相关设备、保护动作波形进行了详细调查分析,找到了故障发生的原因及发展过程,理清了保护动作的时序,表明本次继电保护的合理性,为继电保护人员提供了一种开关柜故障的防范方法。
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| 关 键 词： | 开关柜 主变压器 故障原因 保护动作 |
Analysis of Multiple Sets of Protective Actions Caused by Failure of Switch Gear Equipment |
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| GUO Bixiang,FANG Zhenbang,CHEN Guohong,ZHAO Haoran. Analysis of Multiple Sets of Protective Actions Caused by Failure of Switch Gear Equipment[J]. Journal of Anhui Electrical Engineering Professional Technique College, 2020, 0(1): 70-73 |
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| Authors: | GUO Bixiang FANG Zhenbang CHEN Guohong ZHAO Haoran |
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| Affiliation: | (State Grid Fuyang Power Supply Company, Fuyang 236000, China;Electric Power Research Institute of State Grid Anhui Electric Power Co. , Ltd. , Hefei 230601, China;State Grid Lu′an Power Supply Company, Lu′an 237000, China) |
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| Abstract: | A protective action tripping of#1 and#2 main transformer caused by switch failure of low voltage side of#1 main transformer happened in a 110 kV substation.This paper analyzes the relevant equipment and protective action waveform before and after the failure and focuses on elucidating the rationality of the relay protection from the aspects of failure causes and protective actions,which provides a precaution method for relay protection personnel to deal with switch gear failure. |
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| Keywords: | switch gear main transformer failure cause protective actions |
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