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Multiple energy storage device controller

  • US 6,639,383 B2
  • Filed: 07/19/2002
  • Issued: 10/28/2003
  • Est. Priority Date: 04/19/2001
  • Status: Active Grant
First Claim
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1. An uninterruptible power supply system comprising:

  • an input for receiving power;

    an output for providing power;

    a direct current (DC) line coupled to the input;

    an output circuit coupled to the DC line and the output;

    a plurality of DC power sources coupled to the DC line;

    a power controller coupled to at least a first DC power source of the DC power sources and configured to control at least one of amounts of charge power transferred from the DC line to the first DC power source and amounts of discharge power transferred from the first DC power source to the DC line.

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