While, the mean discharge magnitude increase first and after that it has an approximate constant with the increase of applied voltage.
间隙中的平均放电量随着空气间隙长度的增加而减小，随着施加电压的升高先增加后近似保持不变。
Usually partial discharge measuring deveices can not detect real discharge magnitude, it is disadvantageous for teaching and investigation of partial discharge mechanism.
常规的局部放电实验无法检测试品的实际放电量，这不利于对局部放电机理的教学和研究。
The PD test results of model bars aged under different stresses display that there are larger differences in the discharge magnitude, discharge impulse number and discharge impulse distribution etc.
经模型线棒的老化试验验证，在不同老化因子作用下局部放电的放电量、放电次数和放电脉冲分布等参量都有不同的变化规律。
The PD test results of model bars aged under different stresses display that there are larger differences in the discharge magnitude, discharge impulse number and discharge impulse distribution etc.
经模型线棒的老化试验验证，在不同老化因子作用下局部放电的放电量、放电次数和放电脉冲分布等参量都有不同的变化规律。
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