Energy Management System of Houses and Apartments With Electric Vehicles
In this study, a simulator for the energy management system that utilizes both stationary batteries and the batteries of electric vehicles (EVs) is developed. With use of the simulator, the feasibility and effectiveness of such energy management system are investigated. The focus of this study is on the home-to-vehicle (H2V) system, in which the power flows from the house to the EV only but the flow is controlled so that the power from the grid is levelled (smart-charging). Feasibility studies are conducted for the energy management system of houses and apartments, to which PV panels, stationary batteries and an EV battery are introduced. From the simulation results, it is inferred that the effectiveness of smart-charging is limited at apartments, whose power demand is large compared to the size of the EV battery. It is also inferred that the vehicle-to-home (V2H) system is unfeasible at suburban houses, to which the EV is not connected for most of the time.
KeywordsEnergy management Storage battery V2H
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