| 6.3KV系统接地故障保护越级动作原因分析 |
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| 引用本文： | 曾昕.6.3KV系统接地故障保护越级动作原因分析[J].江西电力职业技术学院学报,2002,15(4):23-25. |
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| 作者姓名： | 曾昕 |
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| 作者单位： | 广东省电力学校,广东,广州,510160 |
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| 摘 要： | 针对沙角B电厂的 6 .3KV厂用电系统接地保护在两次接地故障中都越级动作的情况 ,根据保护原理、故障时的零序电压、零序电流及整定值 ,分析原因并提出解决办法。
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| 关 键 词： | 零序方向继电器67 零序电压继电器64 整定值 |
| 文章编号： | 1008-6862(2002)04-0023-(03) |
| 修稿时间： | 2002年7月9日 |
Analysis on Exceeding Rank Action of the Ground Protection of 6.3KV System |
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| Zeng Xin.Analysis on Exceeding Rank Action of the Ground Protection of 6.3KV System[J].Journal of Jiangxi Vocational and Technical College of Electricity,2002,15(4):23-25. |
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| Authors: | Zeng Xin |
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| Abstract: | The ground protection of Unit aux power 6.3KV of Shajiao B electric power station activate exceed rank. This paper analysis it's cause based on principle of protection, zero phase voltage and zero phase current of mishap, setting value. Providing solve methods for that. |
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| Keywords: | zero phase directional relay67 zero phase voltage relay 64 setting value |
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