| 发电厂启动备用变压器异常跳闸分析 |
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| 引用本文： | 黄海峰,林西国.发电厂启动备用变压器异常跳闸分析[J].防灾减灾工程学报,2013(2):26-29. |
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| 作者姓名： | 黄海峰 林西国 |
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| 作者单位： | 华电宁夏灵武发电有限公司, 宁夏 灵武 750400 |
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| 摘 要： | 针对一起10 kV保护越级跳闸故障,通过对故障录波中开关量及电流电压的变化趋势进行分析,找出事故发生原因,提出了相应的解决方法和措施。分析结果表明:故障是由保护值误整定及电路接线错误造成的。
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| 关 键 词： | 分支零序 过流保护 越级跳闸 定值管理 |
Analysis on abnormal tripping of start standby transformer in power plant |
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| Huang Haifeng,Lin Xiguo.Analysis on abnormal tripping of start standby transformer in power plant[J].Journal of Disaster Prevent and Mitigation Eng,2013(2):26-29. |
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| Authors: | Huang Haifeng Lin Xiguo |
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| Institution: | Huadian Group Ningxia Lingwu Power Generation Co., Ltd., Lingwu Ningxia 750400 , China |
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| Abstract: | Aiming at the fault of 10 kV protection overstep tripping, analyzes the change trend ofswitch volume, current and voltage in fault oscillograph, find out the causation of the fault, puts for?ward corresponding measures. The analysis result shows that the fault is due to the mistake of protec?tion value setting and circuit connection. |
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