Alternating current loss reduction for rectangular busbars by covering their edges with low permeable magnetic caps

Ichiro Sasada

Research output: Contribution to journalArticlepeer-review

6 Citations (Scopus)

Abstract

A method to reduce ac conductive losses in a thin rectangular busbar made of copper is presented. The method is based on a technique, which makes the distribution of the ac current in the cross section of a busbar flatter. Edges of a thin busbar are covered with low permeability magnetic thin layers as caps. The magnetic cap makes the impedance experienced by the current flowing near the edge comparatively larger so that currents cannot get crowded near the edges of a busbar. This method is numerically verified.

Original languageEnglish
Article number17A343
JournalJournal of Applied Physics
Volume115
Issue number17
DOIs
Publication statusPublished - May 7 2014

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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