For the electric welding machine two secondary side wiring and electrode holder, welding connection cable, its characteristic is high, low voltage resistance.
用于电焊机二次侧接线及连接电焊钳、电焊机的专用电缆，其特性是电阻大、电压低。
A general design of digital twin-wire welding power supply was selected firstly, and two side-by-side IGBT full bridge converter main circuit structures were designed.
本文首先确定了双丝焊数字化电源的总体方案，设计了两台并行的IGBT全桥逆变主电路的拓扑结构。
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