System and apparatus for gas turbine engine lean blowout avoidance
AssigneeGeneral Electric Company
InventorsAvinash Vipayak Taware, Minesh Ashok Shah, Ajai Singh, Willy Steve Ziminsky, Pingchuan Wu
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Abstract
A method of monitoring and controlling the combustion dynamics of a gas turbine engine system is provided. The system includes at least one gas turbine that includes at least one combustor can. The method includes receiving a signal from a gas turbine engine sensor that is indicative of combustion dynamics in at least one of the combustor cans, processing the received signal to determine a probability of lean blowout for at least one combustor can, and controlling the gas turbine engine system to facilitate reducing a probability of a lean blowout (LBO) event using the determined probability of lean blowout.
Claims16
A gas turbine system comprising:
- a gas turbine engine comprising at least one combustor can;
- at least one of a combustor dynamic pressure sensor and flame sensor coupled to at least one of said combustor cans, said sensor configured to monitor combustion in each said respective can and transmit a signal indicative of combustion in each said respective can;
- and
- at least one control system configured to receive the signal from said at least one sensor, said control system programmed to:
- filter the combustion signal to determine the presence of a LBO precursor;
- determine a probability of lean blowout (LBO) from the filtered signal;
- compare the filtered signal to a predetermined LBO threshold;
- and
- control said gas turbine system to facilitate reducing the probability of lean blowout (LBO).
Dependencies are inferred from the claim text.