Inverter power supply system for high-power twin-wire pulsed GMAW  

作　　者：Wu Kaiyuan He Zuwei Liang Zhuoyong 吴开源;何祖伟;梁焯永(School of Mechanical and Automotive Engineering,South China University of Technology)

机构地区：School of Mechanical and Automotive Engineering, South China University of Technology, Guangzhou, 510640

出　　处：《China Welding》2016年第2期69-75,共7页中国焊接（英文版）

基　　金：Supported by National Natural Science Foundation of China(No.51205136);Ph.D. Programs Foundation of the Ministry of Education of China(No.20100172120003);Competitive Allocation Project Special Fund of Guangdong Province Chinese Academy of Sciences Comprehensive Strategic Cooperation(No.2013B091500082);The Fundamental Research Funds for the Central Universities(Key Program)(No.2015ZZ084)

摘　　要：A type of novel inverter power supply system for high-power twin-wire pulsed gas metal arc welding （GMAW） is presented mainly for dealing with the disadvantages of the conventional power supply for twin-wire pulsed GMA W of which the output power is generally difficult to increase due to limitations of the power of semiconductors and the power density of magnetic devices. In the power supplies for the master and slave arcs, the digital signal processor （DSP） TMS320F28335 is used to form the DSP- based synergic control system for parallel high-power pulsed GMA W, which achieves high-power output of two parallel inverters controlled by a single DSP ; master-slave communication is achieved by using e controller area network （eCAN）module of DSP, thas realizing anti-phase pulse output of high-power twin-wire pulsed GMA W and reducing the interference between twin arcs. The experiment results demonstrate that the designed inverter power supply system for high-power twin-wire pulsed GMAW can bring about high-power efficiency of welding, stable welding process and proper formation of welds.A type of novel inverter power supply system for high-power twin-wire pulsed gas metal arc welding （GMAW） is presented mainly for dealing with the disadvantages of the conventional power supply for twin-wire pulsed GMA W of which the output power is generally difficult to increase due to limitations of the power of semiconductors and the power density of magnetic devices. In the power supplies for the master and slave arcs, the digital signal processor （DSP） TMS320F28335 is used to form the DSP- based synergic control system for parallel high-power pulsed GMA W, which achieves high-power output of two parallel inverters controlled by a single DSP ; master-slave communication is achieved by using e controller area network （eCAN）module of DSP, thas realizing anti-phase pulse output of high-power twin-wire pulsed GMA W and reducing the interference between twin arcs. The experiment results demonstrate that the designed inverter power supply system for high-power twin-wire pulsed GMAW can bring about high-power efficiency of welding, stable welding process and proper formation of welds.

关 键 词：twin-wire pulsed GMAW HIGH-POWER parallel inverter power supply synergic control 

分 类 号：TG434.1[金属学及工艺—焊接]