A three phase half controlled bridge circuit with constant current and high efficiency is designed in the charged loop of the welding power supply. So a limiting current resistance is canceled.
在焊接电源的充电回路中设计了三相桥式半控、恒流高效充电回路，取消了限流电阻；
A three-phase d. C. flash butt welder UZ-350 controlling by PLC for welding rims are introduced.
本文介绍了一种用PLC控制的UZ- 350三相次级整流钢圈闪光对焊机。
A three-phase d. C. flash butt welder UZ-350 controlling by PLC for welding rims are introduced.
本文介绍了一种用PLC控制的UZ- 350三相次级整流钢圈闪光对焊机。
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