Abstract

In the context of electric vehicles integration in energy districts with the growing penetration of renewable energy sources (RES), this paper provides a method to manage the aggregate charging power flows optimizing self-consumption for flattening the load curve, and optimally exploit the intermittent RES. Under low internal RES availability, the proposed smart charging algorithm aims to guarantee an overall good state of charge of vehicles at the departure instant. This is achieved through a charging management system that differently allocates the power among the electric vehicles based on their battery charging level without involving absorption from the external grid. A reference scenario based on a real case study is performed to evaluate the proposal. This consists of an industrial area with photovoltaic plants and electrical loads. Finally, improvement in smart charging performance, especially under medium-low irradiance availability, is shown.

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