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Feasibility study of simple model to emulate electromagnetic field leaked from wireless power transfer systems by using electromagnetic field simulation

In recent years, the kilowatt class wireless power transfer (WPT) system for electric vehicles and so on has been actively developed, and the regulatory limit of leaked electromagnetic field from the WPT is in discussion. In order to promote the practical realization of the WPT in the future, it is required to evaluate the interference of the leaked electromagnetic field quantitatively. In this paper, the simple model to emulate the leaked magnetic field from the WPT that is used for the evaluation of the interference is presented. Moreover, the operating mechanism of this model is clarified by using the electromagnetic field simulation.