PowerFlex 750-Series AC Drives User Manual

Appendix CApplication NotesVoltage ToleranceDrive RatingNominal LineVoltageNominal MotorVoltageDrive Full PowerRangeDrive OperatingRange380…400 380 380 380…528 342…528400 400 400…528480 460 460…528Drive Full Power Range = Nominal Motor Voltage to Drive Rated Voltage + 10%.Rated current is available across the entire Drive Full Power RangeDrive Operating Range = Lowest Nominal Motor Voltage - 10% to Drive Rated Voltage + 10%.Drive Output is linearly derated when Actual Line Voltage is less thanthe Nominal Motor VoltageHp @ Motor (Drive Output)No DriveOutputDerated Power RangeFull Power RangeDrive Operating RangeNominal Motor Voltage -10%Nominal Motor VoltageActual Line Voltage (Drive Input)Drive Rated VoltageDrive Rated Voltage +10%Example:Calculate the maximum power of a 5 Hp, 460V motor connected to a 480Vrated drive supplied with 342V Actual Line Voltage input.• Actual Line Voltage / Nominal Motor Voltage = 74.3%• 74.3% × 5 HP = 3.7 HP• 74.3% × 60 Hz = 44.6 HzAt 342V Actual Line Voltage, the maximum power the 5 HP, 460V motorcan produce is 3.7 HP at 44.6 Hz.Hp @ Motor (Drive Output)5 Hp3.7 HpNo DriveOutput342V460VActual Line Voltage (Drive Input)480V528VPowerFlex 750-Series User Manual – Publication 750-UM001C-EN-P – September 2009