A novel method for adaptive distance protection of transmission line connected to wind farms

被引：80

作者：

Sadeghi, Hadi ^{[1
]}

机构：

[1] Amirkabir Univ Technol, Dept Elect Engn, Tehran, Iran

来源：

INTERNATIONAL JOURNAL OF ELECTRICAL POWER & ENERGY SYSTEMS | 2012年 / 43卷 / 01期

关键词：

Adaptive protection; Digital protection; Distance relaying; Wind farm; SCHEME;

D O I：

10.1016/j.ijepes.2012.06.072

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

080906 [电磁信息功能材料与结构]; 082806 [农业信息与电气工程];

摘要：

Wind speed variations results in wind farm voltage, frequency and power output fluctuations. Therefore, protection of lines connecting such a farm to the grid is very important and an adaptive system for distance protection of such a line is necessary. In this paper, an adaptive unit which adjusts the relay trip characteristic using local information has been designed for distance relay using artificial neural networks. In this case, in order to prevent wrong operation of relay, changing in wind farm conditions, the set points of different zones of distance relay has to be changed simultaneously. The results obtained from proposed method are verified by computer simulation. (C) 2012 Elsevier Ltd. All rights reserved.

引用

页码：1376 / 1382

页数：7

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