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  1. powerbob

    HP ratings on variable speed AC and DC motors

    I've seen a piece of equipment that claimed a 6 HP PMDC motor yet operates from a 120VAC, 20 amp line. Even with unity power factor and 100% efficiency, 3.2 HP would be the max. Is there any way the claim could be valid? Perhaps torque output equivalent to a 6 HP brush DC motor? Is their a...

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