NDLI: Analysis and control of D-STATCOM under unbalanced voltage condition

Content Provider	IEEE Xplore Digital Library
Author	Yueqiu Wang Jie Tang Xionger Qiu
Copyright Year	2011
Description	Author affiliation: Department of Electrical Engineering, Shaoyang University, Shaoyang, China (Yueqiu Wang; Jie Tang; Xionger Qiu)
Abstract	The control methods and operation characteristics of D-STATCOM under unbalanced grid voltage are studied in this paper. Through methods of switching function and sequence network, the effects on voltage output of D-STATCOM caused by grid voltage unbalance and its over current are analyzed. The performance of voltage output of D-STATCOM is improved with modified modulation method of switching function. And with negative-sequence feed-forward control strategy for restraining over current, the over current of D-STATCOM under grid voltage unbalance is effectively prevented, and the output performance of D-STATCOM inverter is improved. Simulation result shows the correctness and effectiveness of the conclusion and control strategy proposed in the paper.
Starting Page	1623
Ending Page	1625
File Size	247559
Page Count	3
File Format	PDF
ISBN	9781612847191
e-ISBN	9781612847221
DOI	10.1109/MEC.2011.6025788
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-08-19
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Performance evaluation Power quality Modulation Operation analysis Switches Harmonic analysis Automatic voltage control Inverters Power grid voltage Control strategy D-STATCOM
Content Type	Text
Resource Type	Article

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