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Recent content by mohalielectric

  1. mohalielectric

    Low voltage high frequency motors:

    Low voltage high frequency motors: I am into repairing of 3HP un-balanced vibrators, working on 48 volts 3phase 150 Hz frequency. At times the motor that is drawing around 20 amps, after about 3 months suddenly starts drawing 80 amps current. If we remove the unbalance weights, no load current...

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