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Cogeneration system

  • US 20090045626A1
  • Filed: 08/04/2008
  • Published: 02/19/2009
  • Est. Priority Date: 08/17/2007
  • Status: Active Grant
First Claim
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1. A cogeneration system having at least with a generation unit comprising a generator connectable to an AC power feed line between a commercial power network and an electrical load, an internal combustion engine for driving the generator, a battery and a power controller, the cogeneration system producing hot air or water through exchange heat generated by the engine to supply to a thermal load, comprising:

  • a self-diagnosis time determiner that determines whether it is a predetermined self-diagnosis time; and

    a self-diagnoser that operates the generation unit by an output of the battery and self-diagnoses on at least one of output voltage of the battery, a speed of the engine and an output of the generator, when it is determined to be the predetermined self-diagnosis time.

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