... AVR regulation, Voltage deviation: ±0.5%, THF<5%,low radio interference.3) Frequency: 50 & 60Hz4) 3 Phase 4 Wire5) Speed: 1500rpm & 1800rpm6) Three Phase ... , 110% load and all protection function (overspeed stop, high water temperature, low oil pressure, battery charging fail,emergency ... testing before out factory and CCIB inspection Power World CE approved AC three phase VOLVO Diesel Generator Set