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Power supply system using a fuel cell, controller for the same and control method

  • US 9,979,203 B2
  • Filed: 06/03/2014
  • Issued: 05/22/2018
  • Est. Priority Date: 06/18/2013
  • Status: Active Grant
First Claim
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1. A controller configured to:

  • control a supply of electrical power to a load from at least one fuel cell (24) and at least one secondary power supply;

    during a first supply time period, use the fuel cell for a constant first supply of electrical power to the load;

    during a second supply time period, simultaneously use the at least one fuel cell (24) for a constant second supply of electrical power to the load, and use the at least one secondary power supply for an additional second supply of electrical power to the load, wherein the constant second supply of electrical power is lower than the constant first supply of electrical power; and

    wherein the controller is further configured to, in a fourth supply time period different from the fourth and second supply time periods, cease the supply of electrical power from the fuel cell to the load.

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