I have been asked by a hospital to re-feed a pair of elevators that are each fed with a VFD. Both VFD's together are fed from a 150A breaker in a 480V 3 ph panel.
Here is the info I received on the motors:
33.5KW
67.5A
43.5 Max op Freq
1305 RPM
380V 3 ph.
How do I calcalate the current...