A 480-V, three-phase motor draws 22.553 A at a power factor of 0.8 to develop a useful load torque of 120 Nm ata speed of 955 rpm. Calculate:1. the input power2. the output power3. the motor...

A 480-V, three-phase motor draws 22.553 A at a power factor of 0.8 to develop a useful load torque of 120 Nm at
a speed of 955 rpm. Calculate:
1. the input power
2. the output power
3. the motor efficiency