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  1. devonhilburn21

    Megging 3 phase 480v 9 wire motor

    I need help. I have a dura pulse gs3 VFD on a 3 phase 480v 3 phase 9 wire motor. VFD trips on ground fault every now and then. It may trio every other time the motor kicks on or every tenth time, it just varies. I’ve isolated my line and load cables to the motor and ran insulation test, all...

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