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。
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High speed dual inverter to control the current wave form, very high arc stableability, high quality AC square wave, decrease the welding cost and increase the weld quality.