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  • Users: justafink
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  1. justafink

    Calculating energy consumption, 3 phase

    Bright idea: Replacing pulleys on an AHU w/VFD. AHU normally runs at 67%, so I thought adjusting the ratio of drive to driven to put the motor closer to it's more efficient speed. Ok, increased the drive to driven by 20%. Motor speed is up to 76% (didn't go quite as far as I had hoped)...

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