Inductor loss-simulation using JMAG-Designer and comparison with measurement results

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Kayoko Seto, TOYOTA MOTOR CORPORATION

Abstract

Reducing an inductor loss is important for automotive power electronics systems. Many efforts on inductor structure designs depend on experiences and prototypings. This process takes time and cost, and an accurate simulation can make the process more efficient. In this paper, a design method of planer type inductors for high current and high frequency applications is introduced. Wire-loss is a time-consuming simulation and difficult to understand phenomena of loss such as eddy current loss, skineffect, etc. Individual loss measurements and core loss and wire loss fittings considering these phenomena meke an accurate inductor design available

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