绝缘子覆冰密度与电场强度、绝缘子材料、结构、形状、覆冰水电导率等有关。
It also shows that the electric strength, the material, type, structure of insulators and the water conductivity may influence the ice density.
1998年底阳泉地区发生线路绝缘子覆冰闪络故障，对线路安全运行造成了威胁。
The running safety of line was threatened by insulator sleet covering flashover derault of line at the late of 1998.
在2008年初的电网冰灾事故中，导地线金具和绝缘子覆冰掉串是输电线路事故中常见的情况。
In the ice calamity accident of power grid on beginning of 2008, the common condition in the accident of transmission line was the ice loading on earth wire fittings and insulators.
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