Effects of Acetophenon for the Dielectric Property of Insulating Materials

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  • 絶縁特性に及ぼすアセトフェノンの影響
  • ゼツエン トクセイ ニ オヨボス アセトフェノン ノ エイキョウ

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In order to realize the practical application of DC polymer insulated cables, much research work has been done to clarify the characteristics of space charges which significantly affect the electrical properties of the cables.<br>So far, we had information of the space charge behavior in thick insulating specimen in order to understand the DC characteristics in thecables.<br>And we found out the existence of acetophenon influenced space charge phenomenon. So in this paper, in order to clear up the effect of acetophenon, we investigated the dielectric property of oil with ionic impurity and acetophenon.<br>We found that the tan δ of the oil increased and ρ decreased suddenly when both ionic impurity and acetophenon were added to the oil simultaneously. We assumed that the phenomenon was due to emulsion formation.

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