| PT二次电压回路故障对继电保护的影响及对策 |
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| 引用本文： | 黄建英,史煜. PT二次电压回路故障对继电保护的影响及对策[J]. 电力系统保护与控制, 2007, 35(6): 80-82 |
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| 作者姓名： | 黄建英 史煜 |
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| 作者单位： | 包头供电局修试所 内蒙古包头014030 |
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| 摘 要： | PT二次电压回路对变电站二次系统的正常运行起着重要作用,PT二次电压回路故障会引起继电保护装置的误动作或拒动。引用实例分析了PT二次电压回路故障对继电保护的影响,总结了PT二次电压回路故障产生的原因及危害,并提出了相应的对策。保证电网的安全稳定运行。
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| 关 键 词： | PT 二次电压回路故障 影响 对策 保护 |
| 文章编号： | 1003-4897(2007)06-0080-03 |
| 修稿时间： | 2005-12-20 |
Effects on relay protection resulted from fault of PT secondary voltage circuit and the countermeasures |
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| HUANG Jian-ying, SHI Yu. Effects on relay protection resulted from fault of PT secondary voltage circuit and the countermeasures[J]. Power System Protection and Control, 2007, 35(6): 80-82 |
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| Authors: | HUANG Jian-ying SHI Yu |
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| Affiliation: | Baotou Electric Power Supply Bureau,Baotao 014030,China |
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| Abstract: | PT secondary voltage circuit plays an important role in the regular coursing of electricity substation.The malfunctions of PT secondary voltage circuit will resut in maloperation or miss-operation of the relay protection equipment.The paper analyzes the effects and influences on relay protection due to fault of PT secondary voltage circuit and summarizes thier causes and harms,and puts forward the strategy of managing PT secondary voltage circuit fault to improve the security of electric power net. |
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| Keywords: | PT secondary voltage circuit fault effects strategy protection |
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