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One of the major perceptions of distribution system is frequent power conversion. Conversion losses and the generation of harmonics by the converter have been kneeling day by day and polluting the power network. In this article, an effective energy management scheme has been proposed in the microgrid (MG) framework to promote diminishing energy usage by considering both energy storage and renewable energy sources integration. Integration of renewable energy systems along with battery energy storage systems encourages in promoting energy and also minimizes the cost. The objective of this work is to construct a flexible ac/dc MG to feed ac and dc loads separately in order to reduce multiple conversion losses and to design a hybrid bidirectional converter to manage power sharing between ac and dc grids effectively. Energy-saving possibility of 30.87% is expected by incorporating the MG scheme compared to the conventional scheme and power loss can be reduced by 59.8% compared to the conventional direct grid-tie solar photovoltaic (PV) scheme. Conversion losses happen only during unavoidable circumstances. Energy conversion is managed through an automatic centralized MG controller and the loads are scheduled accordingly, and thereby, utilizing the renewable energy is effectively utilized and the demand optimization is scheduled.
Rajkumar et al. (Sat,) studied this question.