salt-water fog also cause an increase of impulse flashover voltage but a slight decrease of ac flashover voltage.
盐雾对沖击放电电压也有提高,但却使交流放电电压有所降低;
although the ac flashover performance of a polluted insulator has been studied well, there is few study on the valid coefficient of creepage distance of different types of insulators.
国内外虽对交流污闪特性研究较多,但对不同型式绝缘子的有效爬电系数及电弧发展路径研究不多。
ac flashover voltage, voltage gradient along the leakage distance and the valid creepage distance of polluted insulators are related to its materials and configuration.
人工污秽绝缘子的闪络电压、污闪电压梯度和有效爬电系数均与其材质和型式有关。
icing weight and icing water conductivity are the two independent parameters which affect on the lowest ac flashover voltage of icing composite insulators.
覆冰量和覆冰水电导率可认为是影响覆冰合成绝缘子最低交流闪络电压的二个彼此独立的参变量。
it is proposed that the most important factor to determine the ac flashover criterion is the recovery condition, but not the reignition condition as proposed by others.
决定交流污闪条件的最重要的因素是交流电弧的恢复条件,而不是以往人们所认为的重燃条件。