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POWER FACTOR CORRECTION CIRCUIT

  • US 20100080026A1
  • Filed: 10/01/2008
  • Published: 04/01/2010
  • Est. Priority Date: 10/01/2008
  • Status: Abandoned Application
First Claim
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1. A power converter that is capable of receiving AC power from an AC power source on an input terminal and delivering DC power to a load on an output terminal, the power converter comprising:

  • a rectifier having an input terminal coupled to the AC power source, and an output terminal, the rectifier being operable to receive an AC voltage on its input terminal and deliver a rectified voltage on its output terminal;

    a power factor correction circuit having an input terminal coupled to the output terminal of the rectifier, and an output terminal coupled to the output terminal of the power converter, the power factor correction circuit being operable to modify the power factor of the power converter, and being operable to deliver DC power to a load; and

    an auxiliary circuit that operates to bypass the power factor correction circuit when the magnitude of the voltage of an output terminal of the AC power source is greater than the voltage of the output terminal of the power converter.

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