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A model for electric vehicle integration in a connected microgrid considering greenhouse gas emissions

Abstract:

In this paper we present a solution for an interconnected micro grid's design including electrical vehicles. This micro grid is oriented to be placed in Guayaquil-Ecuador and integrates electric vehicle charge stations, a photovoltaic generator, a thermal unit, a battery energy storage system and an interconnection point to a distribution network. Moreover, the proposed microgrid includes an electric vehicle fleet oriented for the commercial sector. The model takes advantage of renewable resource generated locally (photovoltaic solar energy). This helps us to minimize the purchases from distribution network and to reduce costs for electric vehicles charging. Technical and economic considerations are taken into account in the present analysis. Additionally, the model minimizes the greenhouse gas emissions including as an input a tax rate for emissions. The simulations results allow us to determine the minimal cost of implementing the microgrid and the optimal strategies to reduce the implicit cost of integrating electric vehicles in the network.