Abstract:This paper discusses coil structures made from a folded flat sheet which is used for an inductor in high frequency operated battery chargers for future electrified vehicles. For AC loss reduction, a Litz wire is known to be a solution, however, since Litz wires are based on a cable type structure, planar type designs are desired for miniaturization and efficient fabrication of inductors. There exists a paper proposing planar type Litz windings using a printed circuit board for planar inductors. Our unit cell F… Show more
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