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System and method for operating a motor during normal and power failure conditions

  • US 8,789,659 B2
  • Filed: 06/21/2012
  • Issued: 07/29/2014
  • Est. Priority Date: 02/13/2007
  • Status: Active Grant
First Claim
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1. A system comprising:

  • a regenerative drive operable to deliver power to a motor from a main power supply during a normal operating condition and from a backup power supply during a power failure operating condition; and

    a controller for operating the regenerative drive to provide available power on the regenerative drive to the backup power supply during the normal operating condition;

    wherein the regenerative drive comprises a converter connected to a power bus, the converter operable to convert alternating current (AC) power from the main power supply into direct current (DC) power deliverable to the power bus and to step-up DC power at a first voltage from the backup power supply to a second voltage deliverable to the power bus.

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