Evaluation of Insulation Performance of Polymeric Surface using a Novel Separation Technique of Leakage Current

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概要

• 論文の詳細を見る

• This paper describes a novel method to separate the leakage current, obtained inpolymeric materials during a salt fog aging test, into three components of conductivecurrent, corona discharge current and dry band arc discharge current. First, we investigated that the relationship between optical emissions due to discharges and a leakage current. Based on experimentally defined discharge types, the separation of the leakage current was carried out. Finally, the polymer surface was analyzedusing an electron spectroscopy for chemical analysis (ESCA), and the change in the polymeric constituents was evaluated. The results showed that the cumulative charges due to the dry band arc discharge and the corona discharge to the total charge were about 20 and 10%, respectively. It was also found that a high temperature vulcanized (HTV) silicone rubber could retain its insulation performance better than a room temperature vulcanized (RTV).

• IEEE Dielectrics and Electrical Insulation Societyの論文

著者

• Sakoda T

  Department Of Electrical Electronic Engineering University Of Miyazaki

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