期刊
IEEE JOURNAL OF EMERGING AND SELECTED TOPICS IN POWER ELECTRONICS
卷 9, 期 2, 页码 2384-2393出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/JESTPE.2020.2983824
关键词
Receivers; Optimization; Couplings; Coils; Capacitance; Resonant frequency; Transmitters; Multireceiver wireless power transfer (WPT) systems; power transfer efficiency; resonant condition; time-varying charging condition; WPT
资金
- Ministry of Land, Infrastructure and Transport of Korean Government through the Transportation and Logistics Research Program (TLRP) (Development of Hybrid Electric Vehicle Conversion Kit for Diesel Delivery Trucks and Its Commercialization for Parcel Serv [17TLRP-C135446-01]
A novel optimization-based method is proposed to determine the optimal resonant condition for multireceiver wireless power transfer systems. By iteratively updating design variables, the method has been successfully applied to single-transmitter-to-multiple-receiver WPT systems, demonstrating its performance and potential in compensating for coupling changes.
Recently, there has been an ever-growing demand for multireceiver wireless power transfer (WPT) systems with a high power transfer efficiency. In this article, a novel optimization-based method is proposed to precisely determine the optimal resonant condition for multireceiver WPT systems in order to maximize the power transfer efficiency while satisfying all the rated power that can be differently required in each receiver module. The proposed method links the optimization module and the analysis module to iteratively update the design variables during optimization based on electric performance evaluated in the analysis module. After being verified with a single-transmitter-to-a-single-receiver WPT system which has a well-known resonance condition, the proposed method is applied to determine the optimal resonant condition for various single-transmitter-to-multiple-receiver WPT systems in both initial and disturbed configurations. The experimental validation demonstrates the performance and potential of the proposed method to compensate the coupling changes of multireceiver WPT systems.
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