インバータサージ電圧下における巻線の部分放電開始電圧に及ぼす温度および湿度の複合的影響

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: 2019/01/01

タイトル(英語): Combined Effect of Temperature and Humidity on Partial Discharge Inception Voltage of Magnet Wires under Inverter-Surge Voltage

著者名: 梶　武文（（株）デンソー／名古屋大学大学院工学研究科電気工学専攻），浅井　洋光（（株）デンソー），小島　寛樹（名古屋大学大学院工学研究科電気工学専攻），早川　直樹（名古屋大学大学院工学研究科電気工学専攻）

著者名(英語): Takefumi Kaji (DENSO CORP./Nagoya University), Hiromitsu Asai (DENSO CORP.), Hiroki Kojima (Nagoya University), Naoki Hayakawa (Nagoya University)

キーワード: 巻線，インバータサージ電圧，部分放電開始電圧，温度，湿度，初期電子発生確率　　magnet wire，inverter-surge voltage，partial discharge inception voltage，temperature，humidity，generation probability of initial electron

要約(英語): We investigated the combined effect of temperature and humidity on partial discharge inception voltage (PDIV) of magnet wires under repetitive surge-wave voltages. As the results, the PDIV increased as the temperature increased in the environment of uncontrolled humidity, which is peculiar under surge-wave voltage. On the other hand in the environment of controlled humidity, the PDIV decreased monotonically as the temperature increased. We found that the PDIV increase was attributed to the effect of the relative humidity decrease corresponding to the temperature increase. Furthermore, the PDIV was also influenced by the water amount in insulation film. The PDIV during the temperature increase was lower than that during the temperature decrease with the hysteresis. The lower PDIV at the higher water amount is due to the release of water into the air gap as well as the decrease in the first ionization energy of insulation film, leading to the increase in the generation probability of an initial electron.

本誌: 電気学会論文誌A（基礎・材料・共通部門誌） Vol.139 No.1 （2019） 特集：2019年研究開発の動向と最前線

本誌掲載ページ: 30-37 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/ieejfms/139/1/139_30/_article/-char/ja/