Study on fault current characteristics and fault analysis method of power grid with inverter interfaced distributed generation

被引：0
|
作者：
Kong, Xiangping [1 ]
Zhang, Zhe [1 ]
Yin, Xianggen [1 ]
Wang, Fei [1 ]
He, Maohui [1 ]
机构：
[1] State Key Laboratory of Advanced Electromagnetics Engineering and Technology, Huazhong University of Science and Technology, Wuhan 430074, Hubei Province, China
来源：
Zhongguo Dianji Gongcheng Xuebao/Proceedings of the Chinese Society of Electrical Engineering | 2013年 / 33卷 / 34期
关键词：
Electric fault currents - Electric power transmission networks - Electric inverters - Electric power system control;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
In order to meet the grid code of distributed generation, a control strategy for low voltage ride through (LVRT) of inverter interfaced distributed generation (IIDG) is proposed. Based on it, the dynamic responses of inverter controller and fault current characteristics of IIDG are studied under conditions of symmetric fault and asymmetric fault. Besides, the calculation model of the fault current of IIDG is established. Moreover, the fault analysis method for the distribution network with penetration of IIDGs is analyzed. Digital simulation results validate the correctness of the theoretical analysis results. The research results are helpful to improve the LVRT capability of IIDG and study the fault characteristics of the power grid with IIDGs. The research results can also provide reference for principle study and performance evaluation of the relaying protection which is applicable for the power gird with penetration of IIDGs. © 2013 Chin. Soc. for Elec. Eng.
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页码：65 / 74
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