DC spark testing generates practically no corona and no heat, and is therefore a gentler test process, DC can be used on foamed insulation and thin insulation.
直流火花机几乎不能产生电晕和热量﹐因此它是一种轻微的测试方法﹐直流火花机可用于发泡和薄的绝缘。
2
Pulse corona discharge is one of the methods which producing plasma is in industrial test stage.
脉冲电晕放电是产生等离子体的方法之一，目前已达到工业性试验阶段。
3
The connecting wire used for the PD test of HV cables was improved based on the corona discharge theory in air medium.