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    • Sizing Considerations for EV Dynamic Wireless Charging Systems with Integrated Energy Storage

    Donovin D. Lewis,Huangjie Gong,Greg Erhardt,Rong Zeng,Omer Onar,Veda Prakash Galigekere,Burak Ozpineci,Dan M. Ionel

    2022 IEEE/AIAA TRANSPORTATION ELECTRIFICATION CONFERENCE AND ELECTRIC AIRCRAFT TECHNOLOGIES SYMPOSIUM (ITEC+EATS 2022)（2022）

    Univ Kentucky

    Cited 1|Views1
    Abstract
    Roadways with dynamic wireless charging systems (DWCS) enable charge-sustaining in-motion EV charging, which can reduce charging idle time while increasing range capabilities. Spatially distributed transmitter coils are controlled in response to traffic load that varies significantly minute to minute with high power levels, very short charging time, and low system utilization like wind turbine power. Traffic load estimation and localized analysis may guide effective sizing and topology adoption for feasible and scalable DWCS deployment. DWCS traffic load approximation is reviewed with measured Automated Traffic Recorder (ATR) data and statistical distributions being used to create a synthetic load analyzed using proposed metrics quantifying system utilization over time. Lumped coil section segmentation is compared between second-based distance and spatial density analysis methods, offering 17-27% greater system utilization. A peak load shifting method is proposed for traffic redirection across two tracks with optional BESS integration increasing system utilization by 50-60% depending on time-based and power reserve-based sizing and control.
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    Key words
    Electric vehicle (EV),dynamic wireless charging,transportation electrification,wireless power transfer,energy storage
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