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Method for gas turbine light-off

  • US 6,810,677 B2
  • Filed: 08/27/2002
  • Issued: 11/02/2004
  • Est. Priority Date: 08/27/2001
  • Status: Expired due to Fees
First Claim
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1. A method for light-off of a gas turbine engine comprising:

  • a. determining ambient conditions and fuel heating value;

    b. accelerating a gas turbine engine at a preset acceleration rate to a speed to provide a supply of combustion air to a combustor for light-off of said gas turbine engine, wherein said preset acceleration rate of said gas turbine engine is determined based upon said ambient conditions and said fuel heating value;

    c. activating an ignition source for said combustor of said gas turbine engine; and

    d. initiating a flow of fuel to said combustor at a substantially constant rate via a fuel line to provide an optimum supply of fuel to said combustor and maintaining said constant rate until the correct fuel-to-air ratio is achieved and light-off of said gas turbine engine occurs.

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