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  • Users: jsftech
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  1. jsftech

    3 phase vfd only pulling current on two phases

    I have a 50 horsepower heavy duty drive (AB powerflex 700) connected to a 50 horsepower 1185 RPM, 460V 59.2 FLA motor. It spins a 78.75-inch diameter, 3100-pound cage through a 2.0-1 right angle gearbox. There is also a 250 HP fan pulling air and ground silica through the cage. This airflow...

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