在惡劣的自然環(huán)境下,積污絕緣子隨時(shí)可能發(fā)生閃絡(luò).Polluted insulators may flashover at any time under disadvantage weather conditions.實(shí)驗(yàn)表明表面電荷積聚使得絕緣子沿面閃絡(luò)電壓的降低竟然達(dá)到23.4%.For the insulator investigated the 50 % flashover voltage is reduced by 23.4 %...