Systems and methods of monitoring acoustic pressure to detect a flame condition in a gas turbine
AssigneeGeneral Electric Company
InventorsWilly Steve Ziminsky, Anthony Wayne Krull, Timothy Andrew Healy, Ertan Yilmaz
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Abstract
A method may detect a flashback condition in a fuel nozzle of a combustor. The method may include obtaining a current acoustic pressure signal from the combustor, analyzing the current acoustic pressure signal to determine current operating frequency information for the combustor, and indicating that the flashback condition exists based at least in part on the current operating frequency information.
Claims20
A method of detecting a flashback condition in a fuel nozzle of a combustor, the method comprising:
- obtaining a current acoustic pressure signal from the combustor;
- analyzing the current acoustic pressure signal to determine current operating frequency information for the combustor;
- and
- detecting that the flashback condition exists based at least in part on the current operating frequency information.
A system for detecting a flashback condition, the system comprising:
- a sensor operable to detect an acoustic pressure signal in a combustor;
- and
- a controller operable to:
- analyze the detected acoustic pressure signal to identify a current operating frequency;
- and
- detecting a flashback condition exists in response to the current operating frequency falling outside of a range of baseline frequencies associated with normal combustor operation.
A system for detecting a flame condition, the system comprising:
- a sensor operable to detect an acoustic pressure signal in a combustor;
- and
- a controller operable to:
- analyze the detected acoustic pressure signal to identify a current operating frequency;
- and
- detecting a flashback condition exists in response to the current operating frequency falling within a range of abnormal frequencies associated with a flashback condition.
Dependencies are inferred from the claim text.