期刊
JOURNAL OF POWER SOURCES
卷 258, 期 -, 页码 365-373出版社
ELSEVIER
DOI: 10.1016/j.jpowsour.2014.02.066
关键词
Photovoltaic storage system; Lithium-ion battery; Energy management; Dynamic programming; Charge control; Self-consumption
Battery systems coupled to photovoltaic (PV) modules for example fulfill one major function: they locally decouple PV generation and consumption of electrical power leading to two major effects. First, they reduce the grid load, especially at peak times and therewith reduce the necessity of a network expansion. And second, they increase the self-consumption in households and therewith help to reduce energy expenses. For the management of PV batteries charge control strategies need to be developed to reach the goals of both the distribution system operators and the local power producer. In this work optimal control strategies regarding various optimization goals are developed on the basis of the predicted household loads and PV generation profiles using the method of dynamic programming. The resulting charge curves are compared and essential differences discussed. Finally, a multi-objective optimization shows that charge control strategies can be derived that take all optimization goals into account. (C) 2014 Elsevier B.V. All rights reserved.
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