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Modeling skin effect and power losses in winding of choke inductor of buck-type switched mode power supply

Garbiec T.

Poznan University of Technology Academic Journals. Electrical Engineering

2010

No. 62

15-24

An analysis of skin effect and power losses in a winding of a choke inductor of a step-down, buck-type switched mode power supply is presented in the paper. The computations using the elaborated field-circuit model of the supply and the experimental verification are carried out. The elaborated model is used for analysis of losses in a winding of a choke coil taking account of the impact of skin and proximity effects on the distribution of current density and losses.