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Distributed Vehicle Grid Integration Over Communication and Physical Networks

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Document pages: 8 pages

Abstract: This paper proposes a distributed framework for vehicle grid integration(VGI) taking into account the communication and physical networks. To this end,we model the electric vehicle (EV) behaviour that includes time of departure,time of arrival, state of charge, required energy, and its objectives, e.g.,avoid battery degradation. Next, we formulate the centralised day aheaddistribution market (DADM) which explicitly represents the physical system,supports unbalanced three phase networks with delta and wye connections, andincorporates the charging needs of EVs. The solution of the centralised marketrequires knowledge of EV information in terms of desired energy, departure andarrival times that EV owners are reluctant in providing. Moreover, thecomputational effort required to solve the DADM in cases of numerous EVs isvery intensive. As such, we propose a distributed solution of the DADM clearingmechanism over a time-varying communication network. We illustrate the proposedVGI framework through the 13-bus, 33- bus, and 141-bus distribution feeders.

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