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POWER SUPPLY SYSTEM, VEHICLE PROVIDED WITH THE SAME, POWER SUPPLY SYSTEM CONTROL METHOD AND COMPUTER-READABLE RECORDING MEDIUM BEARING PROGRAM FOR CAUSING COMPUTER TO CONTROL THE POWER SUPPLY SYSTEM

  • US 20090183934A1
  • Filed: 06/13/2007
  • Published: 07/23/2009
  • Est. Priority Date: 07/07/2006
  • Status: Active Grant
First Claim
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1. A power supply system provided with a plurality of power storage devices, comprising:

  • a first voltage converting device arranged between a first power storage device and a load device for converting a voltage provided from said first power storage device and providing the converted voltage to said load device;

    a second voltage converting device arranged between a second power storage device and said load device for converting a voltage provided from said second power storage device and providing the converted voltage to said load device; and

    a control unit controlling said first and second voltage converting devices such that one of said first and second voltage converting devices operates and the other voltage converting device stops when a required power required of the power supply system is smaller than a reference value, and controlling said first and second voltage converting devices such that both of said first and second voltage converting devices operate when said required power is equal to or larger than said reference value.

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