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ESTIMATION OF OPPORTUNITY PARAMETERS IN INDUSTRIAL GAS TURBINES
ESTIMATION OF OPPORTUNITY PARAMETERS IN INDUSTRIAL GAS TURBINES
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机译：工业燃气轮机的机会参数估计
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摘要
The present invention relates to a method for determining a deviation value of a health parameter, in particular a capacity or an efficiency parameter, of at least one component (101, 102, 103, 104, 105) of a gas turbine (100). According to the method a pressure value and a temperature value at a measuring point of the component (101, 102, 103, 104, 105) is measured. A corrected pressure value is determined on the basis of a predetermined pressure correction factor of the component (101, 102, 103, 104, 105). A corrected temperature value is determined on the basis of a predetermined temperature correction factor of the component (101, 102, 103, 104, 105). An estimated actual value of the health parameter of the component (101, 102, 103, 104, 105) is determined on the basis of the corrected pressure value, the corrected temperature value and e.g. measured shaft speed. A nominal value of the health parameter of the component (101, 102, 103, 104, 105) which is predicted on the basis of at least one predetermined input parameter is determined. Finally, a deviation value of a health parameter is determined by comparing the estimated actual value and the nominal value.
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