Current-Regulated Inverters with an Output Coupled Inductor for AC Arc Welding Machines
A current-regulated inverter with an output coupled inductor for AC arc welding machines is proposed in this paper. The output coupled choke keeps the load current continuous and retains the energy during the commutation period. The commutation time can thus be reduced to avoid arc extinction and to ensure a better welding performance. Also the stored energy can be released in the next energy transfer cycle to raise the conversion efficiency. The circuit operations and design procedures are examined thoroughly. Experimental results on prototype inverter for driving a 100-A AC arc welding machine are recorded to validate the effectiveness of the presented scheme.
Yu-Kang Lo Jian-Min Wang Kai-Jun Pai
Department of Electronic Engineering, National Taiwan University of Science and Technology, Taiwan.R.O.C.
国际会议
The Seventh International PCIM China(第七届电子功率器件、智能传送、电源质量国际研讨会)
上海
英文
218-223
2008-03-18(万方平台首次上网日期,不代表论文的发表时间)