| 复合阻抗对接地距离继电器测量阻抗的影响 |
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| 引用本文： | 潘露,吕艳萍,于芳,刘海峰.复合阻抗对接地距离继电器测量阻抗的影响[J].武汉大学学报(工学版),2006,39(2):110-113. |
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| 作者姓名： | 潘露 吕艳萍 于芳 刘海峰 |
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| 作者单位： | 1. 武汉大学电气工程学院,湖北,武汉,430072
2. 浙江省电力公司湖州电力局,浙江,湖州,313000 |
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| 摘 要： | 对输电线路的零序阻抗进行了分析,指出在OPGW(Optical Fiber Composite Overhead Ground Wires)上安装复合阻抗后输电线路的零序阻抗不再是一个定值;且随着复合阻抗导通个数的不同,输电线路的零序阻抗值以及零序电流也发生变化,从而影响到采用.UΦ、I.Φ+K3I.0接线方式的接地距离继电器的测量阻抗,进而影响保护装置的正确动作.
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| 关 键 词： | 复合阻抗 光纤复合架空地线 零序阻抗 接地距离继电器 |
| 文章编号： | 1671-8844（2006）02-110-04 |
| 收稿时间： | 2005-12-13 |
| 修稿时间： | 2005年12月13 |
Influence of composite impedance on measurement of impedance with ground distance relay |
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| PAN Lu,LV Yanping,YU Fang,LIU Haifeng.Influence of composite impedance on measurement of impedance with ground distance relay[J].Engineering Journal of Wuhan University,2006,39(2):110-113. |
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| Authors: | PAN Lu LV Yanping YU Fang LIU Haifeng |
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| Affiliation: | 1, School of Electrical Engineering, Wuhan University, Wuhan 430072, China; Electric Power Bureau of Huzhou City,Zhejiang Province Electric Power Company, Huzhou 313000,China |
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| Abstract: | In order to reduce the power losses of OPGW installed tower-by-tower, composite impedances are installed between OPGW and the ground. After analyzing the influence on zero-sequence impedance duo to the composite impedances, this paper points out that the ground distance relay's measurement impedance will be influenced as a result of the numbers of composite impedance switched on. |
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| Keywords: | composite impedance OPGW zero-sequence impedance ground distance relay |
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