Fault Phase Selection Method for Interconnection Line of DFIG-based Wind Farm

被引：0
|
作者：
Wang Z. [1 ]
Xiao F. [2 ,3 ]
Wang Y. [2 ]
Zhang Z. [3 ]
Yin X. [3 ]
机构：
[1] College of Electrical Engineering and New Energy, China Three Gorges University, Yichang
[2] Electric Power Research Institute of State Grid Hubei Electric Power Co. Ltd., Wuhan
[3] State Key Laboratory of Advanced Electromagnetic Engineering and Technology, Huazhong University of Science and Technology, Wuhan
来源：
Dianli Xitong Zidonghua/Automation of Electric Power Systems | 2018年 / 42卷 / 08期
关键词：
Doubly-fed induction generator (DFIG); Fault phase selection; Interconnection line; Superimposed; Wind farm;
D O I：
10.7500/AEPS20170313016
中图分类号：
学科分类号：
摘要：
The complicated fault current characteristics of doubly-fed induction generator (DFIG) deteriorate the performance of the conventional superimposed phase selectors when they are applied on the interconnection line of DFIG-based wind farm, which is difficult to satisfy the requirement of phase selection of interconnection line protection of DFIG-based wind farm and reclosing. Based on it, the defects of the traditional phase selectors applied on the interconnection line of DFIG-based wind farm are analyzed according to the low voltage ride through control strategy of DFIG. Then, a new fault phase selector is proposed based on the comparison of superimposed amplitude between phase voltage and line voltage. The selection coefficient of fault phase is established based on the proportional relation of superimposed amplitude between phase voltage and line voltage at the relay location of DFIG-based wind farm. According to the characteristics of the fault phase selection coefficient under different fault conditions, the fault phase selection can be realized. A variety of simulation cases show that the performance of the proposed fault phase selection method is much better than that of conventional method which can select the fault phase effectively. © 2018 Automation of Electric Power Systems Press.
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收藏
页码：170 / 176
页数：6
相关论文
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