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UNINTERRUPTIBLE POWER SUPPLY WITH TOTAL ISOLATION

  • US 20100080021A1
  • Filed: 10/01/2008
  • Published: 04/01/2010
  • Est. Priority Date: 10/01/2008
  • Status: Active Grant
First Claim
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1. An uninterruptible power supply comprising:

  • an isolation transformer having dual primary windings and a secondary winding to supply an output voltage;

    a first winding of the dual primary windings coupled to an inverter circuit that receives an alternating current input voltage; and

    a second winding of the dual primary windings coupled to a bypass circuit that receives a bypass voltage,wherein voltage is applied to the second winding upon failure of the inverter circuit to generate the output voltage without interruption.

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