| 变压器涌流导致差动保护误动的保护动作分析 |
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| 引用本文： | 郭明叙.变压器涌流导致差动保护误动的保护动作分析[J].贵州电力技术,2011(5):29-30. |
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| 作者姓名： | 郭明叙 |
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| 作者单位： | 珠海供电局,广东珠海519000 |
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| 摘 要： | 针对110kV红旗变电站由于110kV线路保护重合不成功引起的主变差动保护误动，并结合保护录波和现场实际整定定值，对此保护误动情况进行原因分析，对于该类问题提出解决方案和防范措施。
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| 关 键 词： | 电气工程 励磁涌流 差动保护 原理 |
An analysis on transformer differential protection misoperations caused by transformer inrush current |
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| Guo Mingxu.An analysis on transformer differential protection misoperations caused by transformer inrush current[J].Guizhou Electric Power Technology,2011(5):29-30. |
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| Authors: | Guo Mingxu |
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| Affiliation: | Guo Mingxu (Zhuhai Power Supply Bureau, Zhuhal 519000 Guangdong, China) |
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| Abstract: | Aiming to main transformer differential protection misoperations caused by unsuccessful 110kV line protection reclosing in 110kV Hongqi substation, combined with protection record and the actual setting valve, the paper analyzes the reason of protection misoperation and also presents the solution and precautionary measure to solve the problem. |
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| Keywords: | electrical engineering magnetic inrush current differential protection principle |
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