IEEJ Journal of Industry Applications
Online ISSN : 2187-1108
Print ISSN : 2187-1094
ISSN-L : 2187-1094
Paper
Loss Reduction of Transformer for LLC Resonant Converter Using a Magnetoplated Wire
Tatsuya YamamotoYinggang BuTsutomu MizunoYutaka YamaguchiTomoyoshi Kano
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2018 Volume 7 Issue 1 Pages 43-48

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Abstract

To improve the power density of a switching power supply, we attempt to reduce the transformer loss using a magnetoplated wire (MPW). Contrary to using a copper wire, the use of an MPW allows for a reduction of the winding loss component due to the proximity effect. In particular, we investigate the 1MHz LLC resonant converter using an MPW. An 8.8% decrease in the power loss is achieved, giving 33W at 1MHz and 1kW.

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© 2018 The Institute of Electrical Engineers of Japan
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