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  1. _NoobNoob

    Current present in Earthing wire of 3 phase motor, what is an acceptable leakage current?

    I've got 400kW motor with a soft starter that trips sometimes on an unbalanced current (larger than 15%), supply voltage on load is 591V-595V-603V in a delta configuration. corresponding currents are 353A-373A-422A. From what I'm reading is that a 1% imbalance in phase voltages contributes to a...

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