STC Three-Phase Generator A.C. Synchronous Generator ZONESUN POWER DRIVE YOUR WORLD. EUROPE QUALITY ,CHINA PRICE STC Three-Phase Generator STC Series Three-Phase .A.C. ... neutral point,The rated line voltage is 400V,phase voltage 230V,frequency 50Hz,power factor 0.8(lag).we can provide ... or decrease) of load,the generator will soon return to their normal working state in the same time,the generator ...