... welding & generating dual use alternator SD/SDCSingle-phase or three-phase welding & generating dual-use alternatorSD/SDC series genset and welding dual-use sets ... star connection with neutral point. The rated line voltage is 400v, phase voltage 230v, frequency 50hz, power factor 0.8(lag ... 100%, cos 0.8~1.0. the generator offer constant voltage; when sudden change(increase or decrease) of load, the ...