Microgrid is one essential part of study in smart grid. In this paper, an optimal energy management in microgrid considering the impact of energy storage system is studied. The purpose is to minimize the total cost, improve the renewable energy utilization efficiency and maximize the profits gained by a microgrid. The model for this problem is found as a multi-parametric programming constrained by dynamic programming. In this study, an advanced dynamic programming is proposed in solving this model. This approach is tested on a typical microgrid case in different operation conditions. At last, the results are presented and conclusions are drawn.
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