| 基于整定值随故障类型变化的电流保护方案研究 |
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| 引用本文： | 黄庆丰.基于整定值随故障类型变化的电流保护方案研究[J].湖南理工学院学报,2014(3):45-48,64. |
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| 作者姓名： | 黄庆丰 |
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| 作者单位： | 福建水利电力职业技术学院,福建永安,366000 |
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| 摘 要： | 分析了输电线路发生接地短路故障和相间短路故障时,故障相与非故障相之间的电流关系,得出判别故障类型的方法;提出了整定值随故障类型变化的阶段式电流保护方案,并设计了程序框图;通过ATP软件仿真,验证该保护方案的可行性,并具有提高灵敏度的优点.
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| 关 键 词： | 接地短路故障 相间短路故障 短路类型判别 零序电流保护 电流速断保护 |
The Research of the Current Protection Based on The Settings Change with the Type of Faults |
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| HUANG Qing-feng.The Research of the Current Protection Based on The Settings Change with the Type of Faults[J].Journal of Hunan Institute of Science and Technology,2014(3):45-48,64. |
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| Authors: | HUANG Qing-feng |
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| Institution: | HUANG Qing-feng;Fujian College of Water Conservancy and Electric Power; |
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| Abstract: | |
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| Keywords: | ground short circuit fault phase-to-phase short circuit fault short circuit type discriminant zero-sequence current protection current fast-tripping protection |
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