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Plug-In Electric Vehicle Charge Time Robustness
ISSN: 1946-4614, e-ISSN: 1946-4622
Published April 12, 2011 by SAE International in United States
Citation: Muller, B., "Plug-In Electric Vehicle Charge Time Robustness," SAE Int. J. Passeng. Cars – Electron. Electr. Syst. 4(1):55-61, 2011, https://doi.org/10.4271/2011-01-0065.
With the introduction of plug-in electric vehicles (PEVs), the conventional mindset of “fill-up time” will be challenged as customers top off their battery packs. For example, using a standard 120VAC outlet, it may take over 10hrs to achieve 40-50 miles of EV range-making range anxiety a daunting reality for EV owners. As customers adapt to this new mindset of charge time, it is critical that automotive OEMs supply the consumer with accurate charge time estimates. Charge time accuracy relies on a variety of parameters: battery pack size, power source, electric vehicle supply equipment (EVSE), on-board charging equipment, ancillary controller loads, battery temperature, and ambient temperature. Furthermore, as the charging events may take hours, the initial conditions may vary throughout a plug-in charge (PIC). The goal of this paper is to characterize charging system sensitivities and promote best practices for charge time estimations.
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