Recent content by kevinb77777

  1. K

    VFD's in home shop use

    Keep in mind just because you have a 5 hp motor doesn't mean it draws current of a 5hp load. Many times a designer of the machine will have a big safety factor and upsize the motor. Check and see the actual running current with an Amprobe ( orsimilar current measuring device) of the larger...
  2. K

    VFD's in home shop use

    Another way to do this is to use a 240 volt 3 phase to 3 phase VFD and only use single phase as the input. Doing this though will require you to derate the VFD by 50 %. Above 3hp it is difficult to find a single phase to 3 phase motor. As an example, I have a 5hp 3 phase air compressor running...
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