大功率埋弧焊交流方波逆变电源的研制  

Development of AC Square-Wave Inverter for High-Power Submerged Arc Welding

作　　者：何宽芳[1] 黄石生[1] 孙德一[1] 李鹏[1] 

机构地区：[1]华南理工大学机械与汽车工程学院,广东广州510640

出　　处：《华南理工大学学报（自然科学版）》2008年第8期79-82,共4页Journal of South China University of Technology(Natural Science Edition)

基　　金：国家自然科学基金资助项目(50575074)

摘　　要：根据大电流交流方波埋弧焊的工艺要求,将逆变并联技术、双闭环控制技术以及嵌入式控制技术相结合,研制了大功率埋弧焊交流方波逆变电源.应用弧焊负载测试平台对所研制的电源进行了外特性测试,并进行了工艺实验.结果表明,该电源具有良好的静、动态性能,电流过零速度快,而且焊接过程稳定,焊缝光滑、美观,完全可以满足埋弧焊技术要求.In order to meet the requirements of the AC square-wave submerged arc welding with high current, a high-power AC square-wave inverter, which combines the parallel inverter technology, the double closed-loop control technology and the embedded control technology, was developed. Then, the external characteristics of the developed inverter were tested at the testing platform for arc welding load, and some experiments were carried out. The results indicate that the developed inverter fully meets the requirements of the submerged arc welding because it helps to obtain smooth and perfect welding seam with excellent dynamic and static characteristics, high speed of current zero-crossing and good stability.

关 键 词：大功率埋弧焊 交流方波 逆变电源 

分 类 号：TG434.1[金属学及工艺—焊接]