Inner Resonance and Outer Current Based Control Strategy for Inductive Power Transfer System Used in Wireless Charging for Electric Vehicles

IF 1.9 4区工程技术 Q3 ENGINEERING, ELECTRICAL & ELECTRONIC IET Electrical Systems in Transportation Pub Date : 2024-03-06 DOI:10.1049/2024/6668174

Sooraj Varikkottil, Febin Daya John Lionel, Mohan Krishna Srinivasan, Thinagaran Perumal, Albert Alexander Stonier, Geno Peter, Balachennaiah Pagidi, Vivekananda Ganji

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Abstract

The wireless charging for electric vehicle is getting popular due to the absence of sophisticated cable connection and associated issues with the actuators in field for connected charging. The major challenges in inductive power transfer (IPT) systems are the control of the resonance converter and synchronisation in communications with the vehicle and power supply. In IPT system, the dynamic nature of load as well as system demands extra care for the existing charging architectures. This work proposes a unique control algorithm to charge the Li-ion battery under coupling coefficient and load variations. The developed control algorithm is validated in MATLAB simscape platform. Further, the control logic is validated using the Texas C2000 Delfino controller in 1 kW IPT system. The developed control logic would ensure proper frequency of operation as well as the constant voltage and constant current control.

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用于电动汽车无线充电的感应式功率传输系统的基于内谐振和外电流的控制策略

由于没有复杂的电缆连接，以及与现场执行器相关的连接充电问题，电动汽车的无线充电越来越受欢迎。感应式功率传输（IPT）系统面临的主要挑战是对谐振转换器的控制以及与车辆和电源的通信同步。在 IPT 系统中，负载和系统的动态特性要求对现有的充电架构进行额外处理。本研究提出了一种独特的控制算法，可在耦合系数和负载变化的情况下为锂离子电池充电。开发的控制算法在 MATLAB simscape 平台上进行了验证。此外，还在 1 kW IPT 系统中使用 Texas C2000 Delfino 控制器对控制逻辑进行了验证。所开发的控制逻辑可确保适当的工作频率以及恒压和恒流控制。

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