{Optimal Power Assignment and Coordinated Control Strategy for a Small-Scale Residential DC Microgrid}

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Title	{Optimal Power Assignment and Coordinated Control Strategy for a Small-Scale Residential DC Microgrid}
Publication Type	Unpublished
Year of Publication	2012
Authors	Xue G, Zhang Y, Zhu D
Series Title	Przegl{\c{a}}d Elektrotechniczny
Number	12
Pagination	226–232
ISBN Number	0033-2097
Keywords	coordination control, DC-microgrid, Distributed generation, islanding
Abstract	This paper focuses on control and operation of a small-scale residential dc microgrid supplied by photovoltaic array (PVA), fuel cell (FC) and super-capacitor (SC). The control scheme aims to realize the optimal power allocation, protect FC from fuel starvation, and stabilize dc bus voltage. The dc microgrid can operate in both islanded and grid-connected mode. To make the system work properly during islanding operation, power control and energy management strategy are proposed. When system is grid-connected, power balance is achieved by controlling the threephase voltage source rectifier (VSR). The effectiveness of the proposed control method is verified through simulations.
URL	http://www.pe.org.pl/articles/2012/12a/47.pdf