General Electric Company
METHODS AND SYSTEMS FOR MONITORING GAS TURBINE STARTUPS

Abstract:

A method for determining a performance characteristic for a target startup sequence of a gas turbine, wherein the gas turbine includes a compressor, a combustor, and, drivingly coupled to the compressor, a turbine. The method includes the steps of: measuring one or more operating parameters during a target operating period of the gas turbine, the target operating period being selected so that the target operating period includes the target startup sequence; creating a time series plot from data points derived from the one or more operating parameters measured during the target operating period; comparing the time series plot against a reference time series plot and, based on the comparison, determining a degree of similarity therebetween; and determining a value for the performance characteristic based on the degree of similarity.