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  1. sblocker

    CURRENT DRAW OF OPEN DELTA BANK

    I HAVE A 120/240 OPEN DELTA TRANSFORMER BANK FEEDING A VFD THAT DRIVES A 10 HP PUMP. THE CURRENTS ARE UNBALANCED (47.9; 24.8; 56.3) WHILE THE VOLTAGES ARE WITHIN 1.2% (243; 246; 240). THE CURRENTS WERE TAKEN ON THE INPUT OF THE DRIVE. iS THIS CURRENT UNBALANCE DUE TO OPEN DELTA CONNECTION...

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