NDLI: Hierarchical coordinated control of DC microgrid with wind turbines

Content Provider	IEEE Xplore Digital Library
Author	Lirong Zhang Yi Wang Heming Li Pin Sun
Copyright Year	2012
Description	Author affiliation: School of Electrical and Electronic Engineering, North China Electric Power University, Baoding, China (Lirong Zhang; Yi Wang; Heming Li; Pin Sun)
Abstract	Control and operation of a DC microgrid under various operating conditions are investigated in this paper. A wind turbines based DC microgrid configuration is used to accurately describe different operation modes firstly. For a DC mcrogrid system, an abnormal DC voltage caused by power fluctuations can disrupt normal operation or even cause the whole system to collapse. Therefore, to improve the system stability, this paper proposes a hierarchical coordinated control strategy according to the DC voltage variation range. Under any condition, there must be at least one DC terminal being responsible for DC voltage control. On this basis, the control method for each power electronic converter is described under different control levels. Finally, the validity of the proposed hierarchical control strategy is demonstrated by simulations on a DC microgrid with wind turbines using MATLAB/Simulink in different operation modes, considering various operating conditions, such as variations of wind speed and load, AC grid fault, and load shedding.
Starting Page	3547
Ending Page	3552
File Size	2226679
Page Count	6
File Format	PDF
ISBN	9781467324199
ISSN	1553572X
e-ISBN	9781467324212
e-ISBN	9781467324205
DOI	10.1109/IECON.2012.6389329
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-10-25
Publisher Place	Canada
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	MATLAB Iron
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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