Winding loss optimization for boost inductor design

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Abstract

This paper summarizes geometrical effects on inductor winding loss based on a fixed diameter method and core gap effects. Relevant DC winding resistance equations of different winding configurations are derived and an effective inductor design method is given to the ratio of alternating to direct current II av =k 1 and ratio of skin depth to wire radius δr. The core gap effect on the ac winding resistance can be minimized by increasing the distance far away from the gap, however the DC winding resistance will increase. The optimal distance between centre leg of a ferrite core and inductor winding, h, results in the minimum total winding resistance, which is validated by test and ANSYS FEM modelling.

Original languageEnglish
Title of host publication2019 IEEE 13th International Conference on Compatibility, Power Electronics and Power Engineering (CPE-POWERENG)
Number of pages6
PublisherIEEE
Publication date10. Oct 2019
ISBN (Print)978-1-7281-3203-7
ISBN (Electronic)978-1-7281-3202-0, 978-1-7281-3201-3
DOIs
Publication statusPublished - 10. Oct 2019
Event13th IEEE International Conference on Compatibility, Power Electronics and Power Engineering, CPE-POWERENG 2019 - University of Southern Denmark, Sønderborg, Denmark
Duration: 23. Apr 201925. Apr 2019
http://www.cpe-powereng.gov

Conference

Conference13th IEEE International Conference on Compatibility, Power Electronics and Power Engineering, CPE-POWERENG 2019
LocationUniversity of Southern Denmark
CountryDenmark
CitySønderborg
Period23/04/201925/04/2019
SponsorIEEE Industrial Electronics Society, The Institute of Electrical and Electronics Engineers (IEEE), University of Southern Denmark
Internet address
SeriesInternational Conference on Compatibility, Power Electronics and Power Engineering (CPE-POWERENG)
ISSN2166-9538

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