NDLI: The impacts on short-circuit current and protection in distribution network caused by DFIG-based wind generation

Content Provider	IEEE Xplore Digital Library
Author	Jinxin Ouyang Xiaofu Xiong
Copyright Year	2010
Description	Author affiliation: State Key Laboratory of Power Transmission Equipment & System Security and New Technology, Chongqing University, China (Jinxin Ouyang; Xiaofu Xiong)
Abstract	Small scale wind power is usually accessed to distribution network as the distributed generation. This interconnected mode can greatly alleviate the negative impact of wind power and even improve the reliability of grid. However, the access of wind power will make the transient and steady characteristics of distribution network changing. This variation would cause the failure of traditional protection and control, and even affect the safe operation of power grid. In particular, because the operating condition of DFIG depends on the characteristics of grid and its control, the short-circuit current in distribution network will become more complex after the access of DFIG-based wind generation. Consequently, this article has studied on this issue. Firstly, based on the Park model of induction, this paper has analyzed the short circuit current characteristics of interconnected DFIG, and presented the analytical expression of short-circuit current contributed by DFIG. Then, this paper has analyzed the distribution of short-circuit current in distribution network. Through the analysis, the influences caused by the access of DFIG for the steady short-circuit current and the existing protections have been presented. Finally, the simulation shows these influences and also verifies the correctness of the study.
Starting Page	1
Ending Page	7
File Size	1018443
Page Count	7
File Format	PDF
ISBN	9781424459384
e-ISBN	9781424459407
DOI	10.1109/POWERCON.2010.5666368
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-10-24
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Zinc voltage sag wind power short-circuit current doubly-fed induction generator distribution network
Content Type	Text
Resource Type	Article

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