期刊
IEEE TRANSACTIONS ON POWER ELECTRONICS
卷 38, 期 12, 页码 16269-16280出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TPEL.2023.3318356
关键词
Electromagnetic-thermal simulation; non-dominated sorting genetic algorithm II (NSGA-II); Pareto optimization; thermal analysis; wireless charging systems (WCS); wireless power transfer (WPT)
The temperature rise in wireless charging systems (WCS) hinders their reliability and material lifespan. This article proposes a thermal design and optimization method to address this issue. The method uses electromagnetic-thermal simulation to predict the temperature of the magnetic coupler and employs multiobjective optimization to select suitable parameters. The proposed method's correctness is validated through experimental prototyping.
The temperature rise in wireless charging systems (WCS) limits their reliability and material lifespan, hindering the development of wireless charging technology. This article proposes a thermal design and optimization method for the magnetic coupler in WCSs. The proposed method uses electromagnetic-thermal simulation to predict the steady-state temperature of the magnetic coupler and employs multiobjective optimization to select suitable parameters. First, the losses in the WCS are analyzed, and a thermal model is established. The necessary electrical and thermal parameters for the modeling process are derived. Second, the non-dominated sorting genetic algorithm II performs the multiobjective Pareto optimization on the established optimization model. Finally, a set of parameters with excellent performance is selected from the optimization results, and an experimental prototype is constructed to validate the proposed method's correctness.
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