電気学会論文誌A(基礎・材料・共通部門誌)
Online ISSN : 1347-5533
Print ISSN : 0385-4205
ISSN-L : 0385-4205
論文
高粘度絶縁油中における絶縁紙の直流部分放電特性と電荷挙動
川島 朋裕大西 浩樹村上 義信長尾 雅行
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ジャーナル フリー

2016 年 136 巻 7 号 p. 442-447

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In long-distance DC submarine cables, insulating oil depletion phenomenon occurs due to limitations in pressure transmission distance. Therefore, the high viscosity insulating oil such as high viscosity oil is promising. However, if the unexpected bubbles are occurred in the high viscosity oil, partial discharge in bubbles may reduce insulation performance of the cable. In addition, the partial discharge promote the degradation of insulating oil and insulating performance may reduce. In this paper, it is investigated DC partial discharge inception voltage and repetition rate of DC partial discharge occurrence of the kraft paper impregnated with the high viscosity insulating oil. Furthermore, the charge behavior was discussed.

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