Because direct data transfer to a personal computer (PC) was unavailable, data was manually entered into an Excel spreadsheet for analysis. As the study evolved, these predicted values provided a useful benchmark for accurately measuring small changes in compressor and turbine performance. ∗ Author to whom all correspondence should be addressed. This geometry is found by running a single cycle design point.To prepare for an off-design simulation, the component design points must first be correlated with the component maps. Gas Turbine Estimator 2 0.xls 1 618 KB 165. Plotting the difference provides a means of observing and quantifying small changes and, with both changes plotted on one scale, provides an effective tool for observing performance and determining whether megawatt output variations are related to either compressor or turbine problems. calculations of power absorbed by the gas booster driven by tht> turbine. FAI has developed and used Excel spreadsheets that receive, calculate and trend gas turbine performance (air compressor, gas generator turbine and power turbine) as well as mechanical and support system condition. In combined cycle plants, the gas turbine outlet temperature must also be kept high to produce sufficient steam to power the steam turbine. Gas Turbine Performance Mr. Zidan has 13 yr of work experience in rotating equipment and gas turbines, including failure analysis, repair, technical consultation, standards development and project management. The slopes and intercepts were then used to calculate predicted values of CDP and GRMW at 60 F for each 100-hour data block. For a gas turbine, the vapor condition depends on the type of fuel used and the atmospheric conditions. Gas_Linesizing_Rev1.xls 250 KB 169. gear_pump_design_sheet.xls 31 KB 170. An onsite gas chromatograph provides a fuel analysis updated every four minutes and enables an energy flow calculation in accordance with AGA-3-85/NX-19 for each of the four meters plus the master plant check meter. The analyses which ultimately evolved were based largely on the program`s statistical analysis functions. Data was entered on an hourly average basis in blocks of 100 operating hours (an arbitrary choice). A final step yet to be completed in this project requires the RS232 serial output of the flow controller to be linked to the DCS. 6.06 Evaluate the performance of a gas turbine power plant 6.07 Name basic components and auxiliary systems used in gas turbine power plan 6.08 Identify different types of fuels and materials used in gas turbine power plants 6.09 Solve problems on diesel engine and gas turbine power plant cycles 7.00 Combined Cycle Power Plants In conclusion, there are a variety of approaches to monitoring gas turbine compressor performance and turbine generator output. We have included this material for reference. To facilitate a wider range of gas turbine output, manufacturers have introduced control systems designed to extend emissions-compliant turndown while minimizing efficiency impacts at part load. This latter information was obtained from the customer who had monitored the throughput of the gas booster during the test and calculated power absorbed on the basis of measured gas flow and pressure rise, and previously determined performance characteristic. Estimating gas turbine performance 1. g Estimating Gas Turbine Performance The following is a method for estimating gas turbine performance using performance curves and site data (i.e., elevation, ambient temperature, inlet and exhaust pressure drops, and the type of fuel). A data set (block 57) which exhibited a correlation coefficient closest to -1 was selected as a reference set from which benchmark values for both CDP and GRMW would be derived. The increase in output from block 63 to block 64 is not consistent with the drop in CDP and may have been due to instrumentation drift. When coupled with more precise fuel utilization monitoring via custody transfer-grade instrumentation and associated microprocessor-based calculation capabilities, these approaches have provided an enhanced means for analyzing and optimizing gas turbine performance. ... entered into an Excel spreadsheet for analysis. Education software downloads - GPAL Single Shaft Gas Turbine Simulator - Version 2 by Gas Path Analysis Ltd and many more programs are available for instant and free download. GE's Gas Turbine Performance Evaluation is a service that helps you enhance gas turbine performance and minimize unscheduled s hutdowns and repairs. The succeeding points show output tracking CDP in a normal fashion. Gassim6B.xls 1 936 KB 167. z. Ray A. Dusatko is a plant engineer with Tenaska Inc., an independent power and energy developer located in Omaha, Neb. w 0 06 03 04 05 compressor turbine air ambient combus on chamber Monitoring gas turbine performance. 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