Why is the drive's input current lower than its output current?
The power factor of the drive is greater than that of the motor. Assuming constant voltage and according to the principle of energy conservation, Pin=Pout, the input current of the drive will be lower than the output current.
Example:
Image 1. The power factor (cosθ) of the drive is higher than that of the motor (0.95 > 0.88). Through the calculation using the three-phase real power formula, the input current of the drive is smaller than the input current of the motor (24.74 A < 30.51 A).