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http://dx.doi.org/10.5370/KIEE.2012.61.11.1584

Frequency Control of Battery Energy Storage System with a Deadband and Restoration Control in Microgrid  

Lee, Hak-Ju (한국전력공사 전력연구원)
Choi, Jin-Young (인하대 IT공대 전기공학부)
Choi, Jong-Chan (인하대 IT공대 전기공학부)
Won, Dong-Jun (인하대 IT공대 전기공학부)
Chae, Woo-Kyu (한국전력공사 전력연구원)
Park, Jung-Sung (한국전력공사 전력연구원)
Publication Information
The Transactions of The Korean Institute of Electrical Engineers / v.61, no.11, 2012 , pp. 1584-1589 More about this Journal
Abstract
The grid-interconnected microgrid can be able to operate with and without the utility microgrid to supply electricity. when the microgrid operates in grid-connected mode, the frequency of the microgrid synchronizes with the system frequency. In this case, the frequency of the microgrid has small variation which is able to change the output of distributed generation with a droop controller. Thus, the small variation of frequency can make the distributed generation generate unnecessary electricity consistently. In this paper, we propose a frequency droop control with a dead band so as to prevent the distributed generations from generating unnecessary output while in grid-interconnected mode. In addition, a distributed generation can have a restoration control to restore the frequency changed by a droop control as a rated frequency. Also, we state the problem of restoration control with a dead band, and propose its solution when the microgrid operates in stand alone mode. We simulate the proposed droop control using PSCAD/EMTDC to verify the validity of the control.
Keywords
Microgrid; BESS; Frequency control; Voltage control; Deadband control;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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