The vacuum arc ignition process, the plasma diffusing and the axial magnetic field effect are also analyzed.
分析了真空电弧的引燃过程和起弧后等离子体的扩散过程以及纵向磁场对等离子体扩散的影响。
In arc ignition process, it has apparent effect and improves the stability of arc, so that power factor is advanced and current drain is reduced.
在引弧过程中，有明显的效果，提高了电弧的稳定性，从而使功率因数是先进的，漏电流减少。
The discrete time mathematical model of a switched TIG welding power source is established. The arc ignition process, its property, current wave form and arc stability are analysed.
本文建立了开关式TIG焊电源的离散时域数学模型，分析了电弧引燃过程、引弧性能、电流波形特点和电弧稳定性。
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