SYSTEM AND METHOD FOR STARTING GAS TURBINE ENGINES
First Claim
1. A method of starting a gas turbine engine, said method comprising:
- determining an abnormal shutdown condition during operation of the gas turbine engine;
determining a first set of lightoff parameters for the gas turbine engine;
restarting the gas turbine engine using the first set of lightoff parameters; and
iteratively, determining subsequent first sets of lightoff parameters and restarting the gas turbine engine using a respective subsequent first set of the determined subsequent first sets of lightoff parameters until the gas turbine engine maintains a first set of operational parameters, the first set of operational parameters representative of a robust lightoff of the gas turbine engine.
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Accused Products
Abstract
A method of starting a gas turbine engine includes determining an abnormal shutdown condition during operation of the gas turbine engine and determining a first set of lightoff parameters for the gas turbine engine. The method also includes restarting the gas turbine engine using the first set of lightoff parameters. The method further includes iteratively determining subsequent first sets of lightoff parameters and restarting the gas turbine engine using a respective subsequent first set of the determined subsequent first sets of lightoff parameters until the gas turbine maintains a first set of operational parameters, where the first set of operational parameters is representative of a robust lightoff of the gas turbine engine.
15 Citations
20 Claims
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1. A method of starting a gas turbine engine, said method comprising:
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determining an abnormal shutdown condition during operation of the gas turbine engine; determining a first set of lightoff parameters for the gas turbine engine; restarting the gas turbine engine using the first set of lightoff parameters; and iteratively, determining subsequent first sets of lightoff parameters and restarting the gas turbine engine using a respective subsequent first set of the determined subsequent first sets of lightoff parameters until the gas turbine engine maintains a first set of operational parameters, the first set of operational parameters representative of a robust lightoff of the gas turbine engine. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A system for starting a gas turbine engine, the gas turbine engine including a rotor and a combustor having an ignitor configured to ignite a fuel in the combustor, said system comprising:
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a starter in torque communication with the rotor; a fuel flow valve in serial flow communication with the combustor and configured to inject the fuel into the combustor; at least one sensor coupled to the gas turbine engine; and a controller communicatively coupled to said starter and communicatively coupled to said at least one sensor, said controller comprising a processor programmed to; determine an abnormal shutdown condition of the gas turbine engine; determine a first set of lightoff parameters for the gas turbine engine; restart the gas turbine engine using the first set of lightoff parameters; and iteratively, determine subsequent first sets of lightoff parameters and restart the gas turbine engine using a respective subsequent first set of the determined subsequent first sets of lightoff parameters until the gas turbine engine maintains a first set of operational parameters, the first set of operational parameters representative of a robust lightoff of the gas turbine engine. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17, 18, 19)
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20. A non-transitory computer-readable memory having computer-executable instructions embodied thereon, wherein when executed by a computing device, the computer-executable instructions cause the computing device to:
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determine an abnormal shutdown condition during operation of a gas turbine engine; determine a first set of lightoff parameters for the gas turbine engine; restart the gas turbine engine using the first set of lightoff parameters; and iteratively, determine subsequent first sets of lightoff parameters and restart the gas turbine engine using a respective subsequent first set of the determined subsequent first sets of lightoff parameters until the gas turbine engine maintains a first set of operational parameters, the first set of operational parameters representative of a robust lightoff of the gas turbine engine.
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Specification