| 电动机差动保护误动分析与对策 |
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| 引用本文： | 王保仓,蒋燕. 电动机差动保护误动分析与对策[J]. 江苏电机工程, 2006, 25(3): 71-72 |
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| 作者姓名： | 王保仓 蒋燕 |
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| 作者单位： | 江苏电建一公司,江苏,南京,210028;江苏电建一公司,江苏,南京,210028 |
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| 摘 要： | 针对发电厂调试阶段由于各种原因造成的厂用电保护误动作时有发生的问题,分析了某电厂在调试及试运行阶段中误动最多的电动机差动保护误动的原因,并分别针对保护装置和现场安装等不同原因总结出了防止电动机差动保护误动相应的对策。
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| 关 键 词： | 厂用系统 电动机 差动保护 二次负荷 误动 |
| 文章编号： | 1009-0665（2006）03-0071-02 |
| 收稿时间： | 2005-11-28 |
| 修稿时间： | 2005-11-282006-01-28 |
Analysis and Countermeasure of Miss-operation of Motor Differential Protection |
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| WANG Bao-cang,JIANG Yan. Analysis and Countermeasure of Miss-operation of Motor Differential Protection[J]. Jiangsu Electrical Engineering, 2006, 25(3): 71-72 |
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| Authors: | WANG Bao-cang JIANG Yan |
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| Affiliation: | The First Electric Power Construction Company of Jiangsu Province ,Nanjing 210028, China |
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| Abstract: | Aiming at the often happened miss operation of plant-service power protection due to all kinds of reasons during plant testing period,the paper analyzes the causes of miss operation of motor differential protection during plants testing and operation period in some power plant,and presents countermeasures to avoid miss operation of motor protection caused by protection equipments and field installation etc. |
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| Keywords: | plant-service system motor differential protection secondary load miss operation |
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