... 110, etc,3) Rated frequency: 50 / 60Hz4) Power factor: 0.8 Engine:1) Rated power: CUMMINS, DOOSAN, , ISUZU, KUBOTA, YANMAR, etc2 ... 220 / 110, etc4) Rated Frequency: 50 / 60Hz5) Power factor: 0.86) Phase: 3-phase, 4-wire7) Connection: Y or other type connection8 ... : 1, 500rpm / 1, 800rpm9) Excitation: Harmonic excitation or phase compound or brushless11) Voltage regulation: AVR automatic12) 1.0% voltage ...