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  1. StarTribune

    Cost of operating AC vs. DC

    Gentleman, Thanks for your input. It was helpful. Greg
  2. StarTribune

    Cost of operating AC vs. DC

    These are large printing presses (newspaper) that put out 25,000 to 60,000 papers per hour. Each press has eleven 75 hp DC drive motors. To simplify the question: What is the kW required to operate my press drives using AC vs. DC at full load, and at partial load? The existing DC motors are...
  3. StarTribune

    Cost of operating AC vs. DC

    I am considering changing out DC motors and drives on printing presses with AC motors and drives. Is the hourly cost of operation lower with AC components compared to DC components? Thanks, Greg

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