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Apparatus and method for high efficiency operation of fuel cell systems

  • US 9,148,085 B2
  • Filed: 07/09/2013
  • Issued: 09/29/2015
  • Est. Priority Date: 12/02/2008
  • Status: Active Grant
First Claim
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1. A drive circuit comprising:

  • a DC bus;

    a voltage converter assembly coupled to the DC bus;

    a first fuel cell coupled to the voltage converter assembly;

    a second fuel cell coupled to the voltage converter assembly; and

    a controller programmed to;

    operate the first fuel cell to deliver a first power output to the voltage converter assembly during a first mode of operation and deliver a second power output to the voltage converter assembly during a second mode of operation, the second power output different from the first power output; and

    operate the second fuel cell to deliver a third power output to the voltage converter assembly during the first and second modes of operation.

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