| 小电流系统选线研究 |
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| 引用本文： | 许光华,邵玉槐,王英.小电流系统选线研究[J].太原理工大学学报,2002,33(5):517-519,522. |
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| 作者姓名： | 许光华 邵玉槐 王英 |
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| 作者单位： | 太原理工大学电气与动力工程学院 |
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| 基金项目： | 省教委基金资助项目 (10 172 0 |
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| 摘 要： | 针对国内经消弧线圈接地的小电流系统选线存在的不足，通过分析故障、非故障线路零序电流分量的差别，结合“电流注入法”原理提出了利用零序有功电流增量选线的方案，并对装置的开发提出了建议。
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| 关 键 词： | 小电流系统 消弧线圈 零序有功电流 选线 故障分析 电网 安全运行 接地保护装置 |
| 文章编号： | 1007-9432(2002)05-0517-03 |
Study of Selecting Fault Line For Small Current System |
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| Xu Guanghua,Shao Yuhuai,Wang Ying.Study of Selecting Fault Line For Small Current System[J].Journal of Taiyuan University of Technology,2002,33(5):517-519,522. |
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| Authors: | Xu Guanghua Shao Yuhuai Wang Ying |
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| Institution: | College of Electrical & Power Engineering of TUT |
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| Abstract: | Aiming at the defect of civil selective protection devices for small current system with neutral grounding by electric arc eliminated loop, investigating the difference about zero sequence current between fault line and faultless line ,and consulting the principle of 'current injection',this paper put forward a principle based on the increment of active compnent of zero sequence current .At the same time ,some advices about the manufacture of device are presented. |
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| Keywords: | electric arc eliminated loop the active component of zero sequence current selecting line |
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