The energy management technology has been occupying the attention due to the requests for the high-efficiency energy use. Especially, the electric power management is the key issue in order to achieve the high-efficiency energy generation, transmission, distribution, and consumption. Therefore, the progress in power electronics technology is very important, as the power electronics technology offers the function of efficient electric power control. The wide-gap semiconductor is the promising technology in the field of the power electronics which is now based on the Si devices. In this manuscript, the recent technical trend in the field of power electronics R&D is explained from the viewpoint of wide-gap semiconductor application.
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