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分析了采用模拟焊接电弧负载测试弧焊电源外特性和动特性的可行性 ;确定了模拟电弧负载用电阻的制作材料、结构形式 ;明确了模拟电弧负载电阻值的变化规律并研制了实现该阻值变化规律的控制器。
The feasibility of testing the external and dynamic characteristics of the arc welding power source by using the simulated welding arc load is analyzed. The manufacturing materials and structure forms of the resistance for the simulated arc load are determined. The variation law of the resistance value of the simulated arc load is clarified. The controller of the change of value.