A novel variable polarity plasma arc welding (VPPAW) power supply is introduced in this paper.
介绍了所研制的具有自调整换向功能的大功率变极性等离子弧焊接电源。
2
The high-power IGBTs are adopted to design the dual inverter arc-welding power source for variable polarity pulse MIG welding.
提出采用大功率IGBT设计变极性脉冲MIG焊双逆变弧焊电源。
3
The experiments show that the variable temperature signal can be detected and the welding time and traveling time can also be controlled in "step" TIG welding by this system.