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Experimental Verification of Self-Supplying Power Circuit using One-Turn Transformer for Gate Drive Unit

Experimental Verification of Self-Supplying Power Circuit using One-Turn Transformer for Gate Drive Unit

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カテゴリ: 論文誌(論文単位)

グループ名: 【D】産業応用部門(英文)

発行日: 2019/01/01

タイトル(英語): Experimental Verification of Self-Supplying Power Circuit using One-Turn Transformer for Gate Drive Unit

著者名: Koji Orikawa (Hokkaido University), Takeshi Kinomae (YASKAWA ELECTRIC CORPORATION), Jun-ichi Itoh (Nagaoka University of Technology)

著者名(英語): Koji Orikawa (Hokkaido University), Takeshi Kinomae (YASKAWA ELECTRIC CORPORATION), Jun-ichi Itoh (Nagaoka University of Technology)

キーワード: self-supplying power circuit,gate drive unit,one-turn transformer

要約(英語): This paper proposes a power supply circuit for gate drive units (GDUs) that uses a one-turn transformer, which gives advantages in terms of cost and loss reduction. The structure of the proposed one-turn transformer consists of a primary winding in which the number of turns is one and a secondary winding in which there are multiple number of turns. The proposed one-turn transformer is connected in series with a switching device of the main circuit in order to obtain power for the GDUs. The proposed power supply circuit can be applied to all types of main circuit topologies such as a multilevel converter topology or matrix converters, in addition to a conventional six-arm inverter. In this paper, the design method of the one-turn transformer and its characteristics are described based on an equivalent circuit and fundamental experimental results with a step-down chopper. Besides, the proposed power supply circuit for GDUs is tested in a two-level three-phase inverter. Secondly, the obtained power for GDUs from the proposed one-turn transformer with three connection points is investigated by harmonics analysis from the viewpoint of core size and other parameters. Finally, experimental results confirm that the GDU in the two-level three-phase inverter with switching frequencies of 12.5kHz and 16kHz is operated by the proposed self-supplying gate power supply circuit without an external power source.

本誌: IEEJ Journal of Industry Applications Vol.8 No.1 (2019)

本誌掲載ページ: 2023/12/22 p

原稿種別: 論文/英語

電子版へのリンク: https://www.jstage.jst.go.jp/article/ieejjia/8/1/8_12/_article/-char/ja/

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