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Apparatus and methods for coordinated static switch operations for load transfers in uninterruptible power supply systems

  • US 20060226706A1
  • Filed: 04/08/2005
  • Published: 10/12/2006
  • Est. Priority Date: 04/08/2005
  • Status: Active Grant
First Claim
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1. A power supply apparatus, comprising:

  • an uninterruptible power supply (UPS) having an input configured to be coupled to a first power source and an output configured to be coupled to a load;

    a first static switch configured to provide a switchable bypass path from the first power source to the load;

    a second static switch controllable to provide a switchable path between the load and a second power source; and

    a controller circuit configured to cooperatively control the first and second static switches to transfer the load to the second power source.

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