Analytical winding foil thickness optimisation of inductors conducting harmonic currents

被引：19

作者：

Wojda, Rafal P. ^{[1
,2
]}

Kazimierczuk, Marian K. ^{[1
]}

机构：

[1] Wright State Univ, Dept Elect Engn, Dayton, OH 45435 USA

[2] ABB Corp Res Ctr, PL-31038 Krakow, Poland

来源：

IET POWER ELECTRONICS | 2013年 / 6卷 / 05期

关键词：

EFFECTS INCLUDING HARMONICS; OHMIC LOSSES CALCULATION; DC-DC CONVERTERS; TRANSFORMER WINDINGS; CORE INDUCTORS; AC RESISTANCE; MODE; DESIGN; POWER; WIRE;

D O I：

10.1049/iet-pel.2012.0490

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

This study presents analytical winding power loss minimisation of foil inductors conducting ac harmonic currents with and without dc offset. The approximated equation for the ac winding power loss is derived and used to determine the optimum foil thickness of inductors operating with multi-harmonic ac currents. An approximated equation for the total winding power loss is also derived and used to determine the optimum foil thickness of inductors operating with multi-harmonic ac currents superimposed on the dc current. The design procedure for inductors with minimum total winding power loss is presented for a pulsewidth-modulated dc-dc boost converter operating in discontinuous conduction mode. The theoretical predictions have been verified by measurements of inductors with four different foil thicknesses.

引用

页码：963 / 973

页数：11

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