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POWER-SUPPLY EXPANSION SYSTEM AND METHOD THEREOF

  • US 20110055614A1
  • Filed: 06/30/2010
  • Published: 03/03/2011
  • Est. Priority Date: 08/25/2009
  • Status: Active Grant
First Claim
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1. A power-supply expansion system comprising:

  • a primary power-supply unit providing a main power supply;

    a secondary power-supply unit providing an auxiliary power supply;

    a power unit comprising a first input terminal, a second input terminal, and an output terminal;

    the first input terminal receiving the main power supply or the auxiliary power supply, the second input terminal receiving the auxiliary power supply, the power unit integrating the main power supply and the auxiliary power supply into an output power supply, and the output power supply fed to a load terminal via the output terminal; and

    a control unit being connected to the primary power-supply unit and the secondary power-supply unit; and

    the control unit, based on a load value of the primary power-supply unit, selectively performing a power-supply expansion process so as to feed the auxiliary power supply to the second input terminal by the secondary power-supply unit.

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