NDLI: A generalized droop-control scheme for decentralized control of inverter-interfaced microgrids

Content Provider	IEEE Xplore Digital Library
Author	Luo, F. Lai, Y.M. Loo, K.H. Tse, C.K. Xinbo Ruan
Copyright Year	2013
Description	Author affiliation: Dept. of Electron. & Inf. Eng., Hong Kong Polytech. Univ., Hong Kong, China (Luo, F.; Lai, Y.M.; Loo, K.H.; Tse, C.K.) \|\| Coll. of Electr. & Electron. Eng., Huazhong Univ. of Sci. & Technol., Wuhan, China (Xinbo Ruan)
Abstract	In this paper, a generalized droop-control scheme for low-voltage microgrid is proposed. The control scheme includes three mutually interacting droop control loops for regulating the power flows between the primary energy sources and the common ac bus. The first droop control is adopted directly from the conventional P/f and Q/V droop control for enabling an automatic power sharing between parallel-connected inverters in the microgrid. The second droop control monitors the dc bus voltage's condition and uses it to modify the settings for the first droop control, and hence, adjust the power sharing capacity of the inverter based on the power generating capacity of the primary energy sources. The third droop control resembles the first droop control, but acts on the dc-dc-converter interfaced primary energy sources for enabling an automatic power sharing between them. The proposed control scheme is useful for realizing a fully decentralized control of a microgrid with improved reliability since no critical communication is needed between the main components of the system. The design methodology of the control scheme is presented, and its effectiveness is verified by both simulation results.
Starting Page	1320
Ending Page	1323
File Size	444622
Page Count	4
File Format	PDF
ISBN	9781467357609
ISSN	02714302
e-ISBN	9781467357623
DOI	10.1109/ISCAS.2013.6572097
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-05-19
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Inverters Microgrids Power generation Voltage control Load flow Simulation autonomous operation Distributed generation (DG) droop control microgrid seamless mode transfer grid-connected inverters
Content Type	Text
Resource Type	Article

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