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誘電強度

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Ceramic insulator used on electrified railways. The ridged shape increases the surface distance along which electrical leakage could occur, thereby enhancing the insulator’s effectiveness, especially in wet or polluted conditions.

電気絶縁体の仕組みと産業利用材料特性から高電圧送電まで

電気絶縁体絶縁材料高電圧送電碍子
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