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Recent content by oldspwr

  1. oldspwr

    380V 3ph Elevator VFD Question

    Thanks for all the help, I appreciate it. Tom
  2. oldspwr

    380V 3ph Elevator VFD Question

    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...
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