| 交流电压回路对零序方向保护的影响 |
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| 引用本文： | 冯秋芳,刘千宽,夏红光,朱瑞萍.交流电压回路对零序方向保护的影响[J].电力系统保护与控制,2004,32(19):64-66. |
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| 作者姓名： | 冯秋芳 刘千宽 夏红光 朱瑞萍 |
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| 作者单位： | 1.许继电气保护及自动化事业部,河南 许昌 461000;2.舟山市电力公司,浙江 舟山 316000 |
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| 摘 要： | 微机线路保护二次回路接线正确与否直接影响保护装置的动作行为,通过对一220kV线路区外故障纵联零序保护误动分析,阐明交流电压回路接线不当对零序方向元件的影响,并通过仿真计算和动模实验予以验证。
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| 关 键 词： | 交流电压回路 微机线路保护 纵联零序方向 |
| 文章编号： | 1003-4897(2004)19-0064-03 |
| 修稿时间： | 2004年6月14日 |
Influence of AC voltage circuit on zero-sequence direction protection |
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| FENG Qiu-fang,LIU Qian-kuan,XIA Hong-guang,ZHU Rui-ping.Influence of AC voltage circuit on zero-sequence direction protection[J].Power System Protection and Control,2004,32(19):64-66. |
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| Authors: | FENG Qiu-fang LIU Qian-kuan XIA Hong-guang ZHU Rui-ping |
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| Affiliation: | FENG Qiu-fang~1,LIU Qian-kuan~1,XIA Hong-guang~2,ZHU Rui-ping~1 |
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| Abstract: | Actions of protective devices have much to do with the secondary circuit connection in microprocessor-based line protection. The malfunction of zero-sequence pilot relay protection is analyzed, which resulted from external fault in 220 kV line system. And the reason that the connection of AC voltage circuit influences on zero-sequence direction relay is presented, which is validated by simulation calculation and dynamic simulation test. |
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| Keywords: | AC voltage circuit microprocessor-based line protection zero-sequence direction pilot relay protection |
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