対地コンデンサの位置による漏えい電流の変化とその要因

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: 2013/11/01

タイトル(英語): Variation and Factor of the Waveform of Leakage Current Depending on the Position of Grounding Capacitors

著者名: 綾野　秀樹（東京工業高等専門学校），佐藤　優貴（東京工業高等専門学校），松井　義弘（東京工業高等専門学校）

著者名(英語): Hideki Ayano (Tokyo National College of Technology), Yuki Sato (Tokyo National College of Technology), Yoshihiro Matsui (Tokyo National College of Technology)

キーワード: 漏えい電流，零相電圧，コモンモード，EMI，対地コンデンサ，昇降機　　leakage current，zero-sequence voltage，common-mode，EMI，grounding capacitor，elevator

要約(英語): This paper deals with the leakage current in an inverter system with a common-mode choke and grounding capacitors. In the conventional common-mode equivalent circuit, the leakage current does not depend on the position of the grounding capacitors. However, the characteristic of the leakage current in connecting the grounding capacitors between the common-mode choke and the rectifier is significantly different from that in connecting the grounding capacitors at the dc-link stage. This paper elucidates the reason why the leakage current in connecting the grounding capacitors at the dc-link stage flows only in the conduction period of the diode rectifier. The new equivalent circuit that reflects this phenomenon is proposed. Moreover, this paper shows the relationship between the positions of grounding capacitors and reduction effects of the leakage current based on a technique that the authors had proposed for an inverter system. The new circuit can also simulate the leakage current in the system using the proposed method.

本誌: 電気学会論文誌D（産業応用部門誌） Vol.133 No.11 （2013）

本誌掲載ページ: 1048-1056 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/133/11/133_1048/_article/-char/ja/