And the inception voltage decrease with reduction of air pressure (increase of altitude).
起晕电压随着气压的降低(海拔高度的增加)而降低。
The corona inception voltage produced by negative polarity increased at first and then decreased, and corona characteristic has little changes.
负极性电晕起晕电压先升高后降低，电晕特性变化很小。
In the case of electrode surface imperfections, the discharge inception voltage can also be calculated provided a suitable electrode surface profile model is chosen.
对于电极表面有缺陷的情况，只要选取适当的电极表面轮廓模型，其起始放电电压也是可计算的。
It was obtained through experiment and simulation that positive DC corona inception voltage and corona ion current under different air pressure and humidity conditions.
文中通过实验测量和模拟计算，得到了不同气压湿度下的正直流电晕起始电压和电晕离子电流。
The paper designates the limitation of the existing formula for calculating the inception discharge voltage;
文章指出了现有的起始放电电压计算公式的局限性；
The paper designates the limitation of the existing formula for calculating the inception discharge voltage;
文章指出了现有的起始放电电压计算公式的局限性；
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