This paper deals with the basic mechanism of surface charge accumulation on the insulating spacer used in high voltage apparatuses.
从电磁场基本方程组出发，给出非均质介质中绝缘子表面电荷积聚的规律，揭示其物理本质和关键影响因素；
A research on the effects of amplitude, polarity and the stressed duration of the applied voltage on the surface charge accumulation is carried out.
研究了外施直流电压极性、幅值、作用时间和外界气象条件对表面电荷积聚的影响。
There exist the charging effects because of charge accumulation at the surface of dielectric, which decrease the dielectric surface potential and the ion implant energy.
在介质表面存在电荷积累引起的充电效应，这降低了介质表面电势和离子注入能量；
So it is important to realize the property of electric charge accumulation on its surface in space environment.
因而它们在空间电环境条件中的表面电荷积累性质受到极大注意。
So it is important to realize the property of electric charge accumulation on its surface in space environment.
因而它们在空间电环境条件中的表面电荷积累性质受到极大注意。
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