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METHOD OF ESTIMATING THE MAXIMUM POWER GENERATION CAPACITY AND FOR CONTROLLING A SPECIFIED POWER RESERVE OF A SINGLE CYCLE OR COMBINED CYCLE GAS TURBINE POWER PLANT, AND A POWER GENERATING SYSTEM FOR USE WITH SAID METHOD

  • US 20130074513A1
  • Filed: 11/21/2012
  • Published: 03/28/2013
  • Est. Priority Date: 06/26/2008
  • Status: Active Grant
First Claim
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1. A method for controlling a specified power reserve of a gas turbine power plant having an input means which generates a load set-point signal for the gas turbine power plant and a controller which receives the load set-point signal and regulates a power output of the gas turbine power plant, the method comprising:

  • continuously updating an estimate of the maximum power generation capacity of the gas turbine power plant;

    calculating a load offset by specifying a power reserve and determining the load offset from the specified power reserve;

    calculating a load limit as a difference of the estimate of the maximum power generation capacity and the load offset; and

    applying the load limit as an upper limit of the load set-point signal to obtain a limited load set-point signal.

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