| 一起因主变中性点虚接引起的保护越级动作事故分析 |
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| 引用本文： | 王云拴,樊鹏华. 一起因主变中性点虚接引起的保护越级动作事故分析[J]. 电气开关, 2012, 50(4): 83-85 |
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| 作者姓名： | 王云拴 樊鹏华 |
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| 作者单位： | 西藏电力有限公司,西藏拉萨,850000 |
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| 摘 要： | 针对一起110kV线路保护越级动作事故,通过对继电保护动作的过程和事故录波报告进行了详细的分析,确认了主变中性点虚接是本次事故的根本原因.
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| 关 键 词： | 越级动作 主变 中性点 虚接 |
The Accident Analysis of Protection Leapfrog Trip Caused by the Neutral Virtual Connection of the Transformer |
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| WANG Yun-shuan , FAN Peng-hua. The Accident Analysis of Protection Leapfrog Trip Caused by the Neutral Virtual Connection of the Transformer[J]. Electric Switchgear, 2012, 50(4): 83-85 |
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| Authors: | WANG Yun-shuan FAN Peng-hua |
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| Affiliation: | (Tibet Electric Power Co.,Ltd.,Lhasa 850000,China) |
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| Abstract: | This paper reviews a 110kV protection leapfrog trip action accident of power system,through the particular analysis with regard to the relay acting process and wave recorded report,it conforms that the main transformer neutral point virtual connection is the main factor. |
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| Keywords: | leapfrog trip main transformer neutral point virtual connection |
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