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Conduction Phenomena of AC- and DC-XLPE Analyzed by Q(t) Method

Conduction Phenomena of AC- and DC-XLPE Analyzed by Q(t) Method

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カテゴリ: 論文誌(論文単位)

グループ名: 【A】基礎・材料・共通部門

発行日: 2021/10/01

タイトル(英語): Conduction Phenomena of AC- and DC-XLPE Analyzed by Q(t) Method

著者名: Yoitsu Sekiguchi (Sumitomo Electric Industries, Ltd.), Kohei Hosomizu (Sumitomo Electric Industries, Ltd.), Takanori Yamazaki (Sumitomo Electric Industries, Ltd.), Tatsuo Takada (Tokyo City University), Yasuhiro Tanaka (Tokyo City University)

著者名(英語): Yoitsu Sekiguchi (Sumitomo Electric Industries, Ltd.), Kohei Hosomizu (Sumitomo Electric Industries, Ltd.), Takanori Yamazaki (Sumitomo Electric Industries, Ltd.), Tatsuo Takada (Tokyo City University), Yasuhiro Tanaka (Tokyo City University)

キーワード: Q(t) method,space charge,electric conduction,relaxation time,XLPE

要約(英語): The direct current integrated charge method (Q(t) method) is a useful method to understand the dielectric properties of insulating materials in a simple manner. As total current flowing through an insulating material is integrated by a capacitor, Q(t) data includes various kinds of information about the material in it. To understand Q(t) data, in particular as it relates to electric charge behaviors, a parameter “charge ratio Q(tm)/Q(0)” which is the ratio of the initial charge amount Q(0) (=CV) and the Q(t) after time tm is introduced. The relation of the charge ratio, relaxation time and measured time, and analyzing method to distinguish electrode, accumulation and conductive charges are revealed in this paper. Q(t) data of AC- and DC-XLPE are evaluated according to the algorithm.

本誌: 電気学会論文誌A(基礎・材料・共通部門誌) Vol.141 No.10 (2021) 特集:9th International Symposium on Electrical Insulating Materials

本誌掲載ページ: 584-589 p

原稿種別: 論文/英語

電子版へのリンク: https://www.jstage.jst.go.jp/article/ieejfms/141/10/141_584/_article/-char/ja/

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