高電力密度昇圧コンバータにおける最大許容電力と小型化性能

Translated title of the contribution: Maximum Allowable Power and Downsizing Performance in High Power Density Boost Converters

木村 翔太, 今岡 淳, 山本 真義

Research output: Contribution to journalArticle

Abstract

The DC-DC converter using integrated magnetic components that may achieve high power density has gained attention in environmentally-friendly cars such as electric vehicles (EV) and plug-in hybrid electric vehicle (PHEV). This paper focused on this circuit types using coupled indictors and close-coupled inductors that are the integrated magnetic components. In order to realize further high power density, calculation methods for the allowable power of the coupled indictors and close-coupled inductors are presented. The calculation method is based on detailed analysis of the characteristics of ripple current and magnetic flux. From the allowable power viewpoint, the volumes of the inductors are compared to a conventional interleaved boost chopper circuit in the same conditions. As a result, CCM operation is effective for downsizing of the magnetic components in case of the interleaved boost chopper circuit using coupled inductors. On the other hand, the interleaved boost converter using close-coupled inductors is effective for downsizing of the magnetic components with CRM operation.
Original languageJapanese
Pages (from-to)84-92
Number of pages9
Journalパワーエレクトロニクス学会誌
Volume40
Issue number0
DOIs
Publication statusPublished - Mar 31 2015

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Plug-in hybrid vehicles
Coupled circuits
Networks (circuits)
DC-DC converters
Magnetic flux
Electric vehicles
Railroad cars

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高電力密度昇圧コンバータにおける最大許容電力と小型化性能. / 木村翔太; 今岡淳; 山本真義.

In: パワーエレクトロニクス学会誌, Vol. 40, No. 0, 31.03.2015, p. 84-92.

Research output: Contribution to journalArticle

木村翔太 ; 今岡淳 ; 山本真義. / 高電力密度昇圧コンバータにおける最大許容電力と小型化性能. In: パワーエレクトロニクス学会誌. 2015 ; Vol. 40, No. 0. pp. 84-92.
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