Abstract Coordinated charging can enable efficient charging for electric vehicles (EVs) to enhance the overall energy utilization while avoiding the overload of an electric power system. However, it is challenging to design an efficient coordinated charging strategy to guide the mobile EVs to fast-charging stations to achieve globally optimal energy utilization. In this chapter, we study a specific smart grid with enhanced communication capabilities, which is termed as a VANET-enhanced smart grid. Vehicular ad-hoc networks (VANETs) are leveraged therein to support real-time communications among highly mobile EVs and between EVs and road-side units (RSUs) for real-time vehicle mobility information collection and charging decisions dispatching. We then propose a mobility-aware coordinated charging strategy for EVs. The proposed strategy can not only improve the overall energy utilization while protecting the power system from overload, but also address the range anxieties of individual EVs via deliberately controlling the average travel cost. Specifically, we consider the travel cost incurred by mobility for an EV in two-fold: (1) the travel distance from the current EV location to the fast-charging station, and (2) the transmission delay for an EV to receive a charging decision through the VANETs.
Mobility-Aware Coordinated EV Charging in VANET-Enhanced Smart Grid
2015-11-20
34 pages
Article/Chapter (Book)
Electronic Resource
English
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