three-phase a.c synchronous generator,Rev:1500 Power factor:1.0,pole number :4. ... used in town, countryside, worksites three-phase a.c synchronous generatorModelOutput (kW)Voltage(V)Current (A)Power factor(cos)Pole numberSpeed (r.p.m ... .841500STC-40504040072.20.841500STC-5062.55040090.20.841500 three-phase a.c synchronous generator