汚損碍子の放電騒音及び電磁波観測による放電状態の評価

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Abstract The surface of the insulator of the transmission power line is polluted by the adhesion of the sea salt. In addition, it is condition according to a fog, a rainfall, and high humidity, etc. in the field. Then partial discharge might be generated. The noise complaints by partial discharges etc. have been generated, too. Therefore, understanding the amount of generation, and examining the influence by the voltage of the division and the amount of the contamination of the insulator become important. This time, the insulator for 66kV is stained and the electrical discharge sound wave and the electromagnetic wave according to the partial discharge generation were observed. The electromagnetic wave according to a partial discharge was able to analyse by removing 5MHz or less of frequency component.
宮崎大学の論文