| 一次发电机失磁引起的系统保护失误 |
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| 引用本文： | 刘敏,苏忠阳. 一次发电机失磁引起的系统保护失误[J]. 广东输电与变电技术, 2008, 0(3): 35-36 |
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| 作者姓名： | 刘敏 苏忠阳 |
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| 作者单位： | 广东电网公司广州供电局 |
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| 摘 要： | 同步发电机在失磁状况下会发生一系列的电气变化.结合华侨糖厂发电机在失磁时导致上一级馈线系统侧跳闸的事故,对发电机失磁时的电气量变化进行了定量计算,进而得出发电机失磁故障可能造成系统侧相关电流保护动作的结论.
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| 关 键 词： | 发电机失磁 励磁 电网失步 |
A Lapsus of System Protection arose by Generator's Excitation Loss |
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| Liu Min,Su Zhongyang. A Lapsus of System Protection arose by Generator's Excitation Loss[J]. Guangdong Power Transmission Technology, 2008, 0(3): 35-36 |
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| Authors: | Liu Min Su Zhongyang |
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| Affiliation: | Liu Min Su Zhongyang Guangdong Power Grid Corporation Guangzhou Power Supply Bureau |
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| Abstract: | Under excitation loss condition,synchronous generator will take a series of electric change.Combining with leading to tripping event of the last level feeder system during excitation loss of generator in Huatang Power Plant,calculated out electrical change,and got conclusion:when the generator is loss of excitation,related current relay will trip in system side. |
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| Keywords: | Generator's excitation loss Excitation Out of step |
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