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  • Users: quickee
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  1. quickee

    Motor gradually goes to overcurrent on drive

    We have 5-5hp, 480v, 3ph, motors each running a vacuum pump. Each motor is controllers by an ABB drive, all identical. All 5 pumps work together, that is, each pump is connected in parallel, so if one pump/motor fails, the other 4 carry the load. Generally all motors are running at 16% as...

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