Power Requirement Calculator Phase Volts RequiredV AmperesI PowerFactor = PowerkW 1 3 .8 1.0 Select Phase Single phase Three Phase Converting kW to kVA kW = kVA Converting kVA to kW kVA = kW Converting kW to HP kW = HP What size genset is needed to start a 3 phase electric motor Direct on Line (DOL) start HP of Motor = Generator kVA Required Calculating Amperes (when you know kVA)Phase1,2,3GeneratorkVAVoltsRequired=AmpereI Calculating Amperes (when you know kVA)Phase1,2,3GeneratorkVAVoltsRequired=AmpereI Calculating Amperes (when you know kVA)Phase1,2,3GeneratorkVAVoltsRequired=AmpereI Calculating Amperes (when you know kVA)Phase1,2,3GeneratorkVAVoltsRequired=AmpereI Calculating Amperes Phase 1 Select Phase Phase One Phase Three