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
TSSP法およびTSC法を用いたLDPE中の交流トリー発生に及ぼす空間電荷の検討
福澤 雅弘岩本 光正
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ジャーナル フリー

1990 年 110 巻 11 号 p. 789-795

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When an AC voltage is applied to a low density polyethylene (LDPE) film placed under a needle-plane electrode system, there is a possibility of the formation of the space charge field in the vicinity of the needle electrode by electrons (or holes) injected from the needle electrode. In the present paper, we investigated the properties of the space charge, e. g., total amount of trapped charge, formed in the vicinity of the needle electrode by using electrical measurements of thermally stimulated current (TSC) and thermally stimulated surface potential (TSSP). From the investigation, it was concluded that a space charge field is formed in an LDPE film by the application of the AC voltage, and that total amount of trapped charge by the application of the AC voltage is less than that by the application of the DC voltage, etc. Finally, on the basis of the present experimental results, we studied the space charge effect on the AC treeing mechanism.

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