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  • Users: Power Geek
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  1. Power Geek

    VFD Driven Blower Motor Failure

    Application is a dust collector. Motor ran fine for a couple years, then they added some additional duct work and motors started burning out after only a few days use. Culprit appears to be excessive current draw. At 30 Hz the 25 hp motor is pulling 40A where it's nameplate FLA is 29A. I...

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