A novel energy-retaining inverter for AC arc welding machines

被引：11
|
作者：
Wang, Jian-Min [1 ]
Wu, Sen-Tung [2 ]
Chiu, Huang-Jen [2 ]
机构：
[1] Natl Formosa Univ, Dept Vehicle Engn, Yunlin, Taiwan
[2] Natl Taiwan Univ Sci & Technol, Dept Elect Engn, Taipei, Taiwan
来源：
INTERNATIONAL JOURNAL OF CIRCUIT THEORY AND APPLICATIONS | 2012年 / 40卷 / 02期
关键词：
inverter; voltage spike; current commutation; power supply; QUASI-RESONANT CONVERTERS; PFC CONVERTER; FREQUENCY; VOLTAGE; DESIGN; SYSTEM; FILTER;
D O I：
10.1002/cta.708
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A novel energy-retaining power supply for AC arc welding machines is proposed in this paper. In this kind of power supply, current-steering diodes connected across the output chokes keep the inductor current continuous and retain the energy during the commutation period, hence reducing the commutation time to ensure a better welding performance. In addition, the stored energy can be released in the next energy transfer cycle to raise the conversion efficiency. The circuit operations and design procedures are likewise examined thoroughly. Experimental results on a prototype inverter for driving a 100-A AC arc welding machine are recorded to validate the effectiveness of the presented scheme. Copyright (C) 2010 John Wiley & Sons, Ltd.
引用
收藏
页码：107 / 126
页数：20
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