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FUEL CELL SYSTEM

  • US 20100264930A1
  • Filed: 10/23/2008
  • Published: 10/21/2010
  • Est. Priority Date: 11/08/2007
  • Status: Active Grant
First Claim
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1. An impedance measuring system which measures the impedance of a fuel cell, including:

  • an electronic device connected to the fuel cell and controlled by a frequency;

    a detection device that detects the frequency of a control signal to control the electronic device;

    a decision device that determines the measurement frequency of the impedance based on the detected frequency; and

    a measurement device that measures the impedance at the determined measurement frequency.

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