高速スイッチング技術を利用した磁界共振型非接触給電の低次高調波における漏洩磁界低減

カテゴリ: 論文誌(論文単位)

グループ名: 【D】産業応用部門

発行日: 2022/05/01

タイトル(英語): Reduction of Magnetic Field by Low-order Harmonics in Magnetic Resonant Wireless Power Transfer System Using High-frequency Switching

著者名: 永井　栄寿（東京大学），藤田　稔之（東京大学），角谷　勇人（東京大学／（株）デンソー），清水　修（東京大学），藤本　博志（東京大学）

著者名(英語): Sakahisa Nagai (The University of Tokyo), Toshiyuki Fujita (The University of Tokyo), Hayato Sumiya (The University of Tokyo/DENSO CORPORATION), Osamu Shimizu (The University of Tokyo), Hiroshi Fujimoto (The University of Tokyo)

キーワード: 非接触給電，パルス幅変調，GaNデバイス，漏洩磁界_x000D_　　wireless power transfer，pulse width modulation，GaN devices，leakage magnetic field

要約(英語): Recently, dynamic wireless power transfer (DWPT) for battery electric vehicles has been actively studied because it can enhance their cruising range and reduce their charging time. An SS type WPT circuit is simpler and more efficient than a WPT circuit with a filter, such as an LCC type WPT circuit. By contrast, the leakage magnetic field generated by the harmonic current is a problem that needs to be addressed. The leakage magnetic field is limited by the Radio Act and the Ordinance for Regulating Radio Equipment in Japan. This study aims to reduce the leakage magnetic field generated by the harmonic current using a high-frequency switching technology. The inverter and rectifier are operated using pulse width modulation (PWM) with a high carrier frequency. The effectiveness of the proposed method was experimentally verified using a GaN inverter and rectifier. As a result, the proposed method can drastically reduce the leakage magnetic field, especially, the magnetic field generated by the current harmonics of order greater than five.

本誌: 電気学会論文誌D（産業応用部門誌） Vol.142 No.5 （2022） 特集：2021年産業応用部門大会

本誌掲載ページ: 385-392 p

原稿種別: 論文／日本語

電子版へのリンク: https://www.jstage.jst.go.jp/article/ieejias/142/5/142_385/_article/-char/ja/