电源外特性 meaning in English

external characteristic of power
generator characteristic

Study on the control circuits of external characteristic and dynamic characteristic of igbt manual metal arc welding inverter
逆变式手弧焊电源外特性与动特性控制电路研究
In this paper , it has been studied by the slope - controlled scr rectifier that external characteristic of welder relate to arc digging action and the strong arc force of arc welding power source in manual arc welding formed
利用一种特制的变结构可控硅整流焊机，研究不同焊机外特性对电弧穿透力的影响；探讨了手工电弧焊强电弧力形成机理；并且指出正确设计电源外特性，是获得较强电弧穿透力的途径。