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Apparatus, method and system for providing power to solid state lighting

  • US 8,242,704 B2
  • Filed: 09/09/2008
  • Issued: 08/14/2012
  • Est. Priority Date: 09/09/2008
  • Status: Active Grant
First Claim
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1. An apparatus for power conversion, the apparatus couplable to a power source, the apparatus comprising:

  • a primary module comprising a transformer having a transformer primary;

    a first secondary module couplable to a first load, the first secondary module comprising a first transformer secondary magnetically coupled to the transformer primary;

    a second secondary module couplable to a second load, the second secondary module comprising a second transformer secondary magnetically coupled to the transformer primary, the second secondary module couplable in series through the first or second load to the first secondary modulea first bypass circuit coupled to the first secondary module, the first bypass circuit to bypass the first secondary module and the first load in response to a detected fault, the detected fault comprising an open circuit; and

    a second bypass circuit coupled to the second secondary module, wherein each of the first bypass circuit and the second bypass circuit comprises a switch in parallel with a diode.

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