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通过对ＩＧＢＴ弧焊逆变器单元并联组合模式进行数学分析和试验研究，提出了由系统控制器按照优化原则统一调节各功率单元输出电流，从而使电源系统整体上具有很宽的输出量连续调节范围和优良的动态响应指标，可满足多种焊接工艺控制要求
Through the mathematical analysis and experimental research on the parallel combination mode of IGBT arc welding inverter units, it is proposed that the output power of each power unit should be uniformly regulated by the system controller according to the principle of optimization so that the power system as a whole has a wide output continuous adjustment Range and excellent dynamic response index to meet a variety of welding process control requirements