The power supply USES BOOST converter for power factor correction and voltage regulation, and it converts DC to HF ac square wave with phase-shifted full bridge.
电源通过BOOST电路校正功率因数和调节电压，用移相全桥把直流电逆变成高频方波，然后经高频变压器升压后倍压整流得到直流高压。
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.
双重逆变高速控制电流波形，电弧稳定性极高，高品质矩形交流波，降低焊接成本，提高焊缝质量。
This paper deals with an AC servo system with permanent magnetic brushless motor driven by square wave current.
研究了方波电流驱动的永磁无刷电机交流伺服系统。
The power can output several kinds of welding current such as variable polarity square wave AC, DC and pulse current etc.
该电源可实现变极性方波交流、直流、脉冲电流等多种输出。
Coloured stainless steel may be prepared in brown, blue, yellow, red, or green by square-wave AC electrolytic colouring.
用交流方波电解着色法可以制备茶色、蓝色、黄色、红色、绿色等颜色的不锈钢。
The inductance of energy storage reactor in square wave AC welding has been chosen and analyzed.
对方波交流焊接电源电抗器电感量的选择作了介绍。
A square-wave AC high-frequency welding power source is composed of the square-wave AC high-frequency generator and DC welding machine controlled by thyristor.
将晶闸管直流焊机与方波交流高频发生装置组合，构成方波交流高频焊接电源。
Square wave AC, or switched DC, power sources are particularly attractive for welding aluminium.
方波交流、直流电源焊接铝特别具有吸引力。
Square wave AC, or switched DC, power sources are particularly attractive for welding aluminium.
方波交流、直流电源焊接铝特别具有吸引力。
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