污秽合成绝缘子在酸雾、盐雾中闪络电压随污秽程度的增大而降低，随雾水电导率的增加而降低。
The flashover voltage of polluted composite insulators is decreased with increase of SDD and the fog conductivity in acid fog and salt fog.
不同型式染污绝缘子沿爬电距离的闪络电压梯度；
The voltage gradient of five types of polluted insulators according to the leakage distance.
针对截波产生的原因，重点分析了雷击变电站终端杆塔使绝缘子闪络产生截波，并引起变压器截波过电压的机理。
The mechanism of chopped wave overvoltage of transformers caused by insulator arc-over chopped wave after lighting stroke terminal tower is analysis emphasize.
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