Method of detecting a liquid fuel leak in a gas turbine
First Claim
1. Method of detecting the presence of a liquid fuel leak in a gas turbine (1), characterized in that:
- a reference value is determined for at least a first operating parameter of the turbine,a value of the said operating parameter is measured during a start-up phase of the turbine,the measurement value and the reference value are compared,whether a first anomaly is present is identified,an alert notification is generated if a first anomaly is detected for the first parameter, andshutdown of the turbine is triggered if a second anomaly is detected for a second parameter.
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Abstract
The invention relates to a method of detecting the presence of a liquid fuel leak in a gas turbine (1). During this method:
a reference value (27, 37) is determined for at least a first operating parameter of the turbine,
a value (29, 39) of the said operating parameter is measured during a start-up phase of the turbine,
the measurement value and the reference value are compared,
whether a first anomaly (13, 41) is present is identified,
an alert notification (33, 43) is generated if a first anomaly (31, 41) is detected for the first parameter, and in parallel
shutdown of the turbine (35, 45) is triggered if a second anomaly (34, 44) is detected for a second parameter.
The invention also relates to a device for detecting a liquid fuel leak in a gas turbine, employing such a method.
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Citations
13 Claims
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1. Method of detecting the presence of a liquid fuel leak in a gas turbine (1), characterized in that:
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a reference value is determined for at least a first operating parameter of the turbine, a value of the said operating parameter is measured during a start-up phase of the turbine, the measurement value and the reference value are compared, whether a first anomaly is present is identified, an alert notification is generated if a first anomaly is detected for the first parameter, and shutdown of the turbine is triggered if a second anomaly is detected for a second parameter. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. Device for detecting a liquid fuel leak in a gas turbine (1), the turbine comprising a device (9) for monitoring the operating parameters of the turbine and a storage medium readable by a computer, in which computer program instructions executable by the said device (9) are stored, the instructions of the computer program making the parameter monitoring device (9):
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determine a reference value for a first operating parameter of the turbine, measure a value for the same operating parameter after start-up of the turbine, compare the reference and measured values, identify whether a first anomaly is present according to predetermined characteristics, generate an alert notification if a first anomaly is detected for a first parameter, and in parallel trigger shutdown of the turbine if a second anomaly is detected for a second parameter.
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Specification