Advanced Monitoring to Improve Combustion Turbine/Combined ...

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Vibration Fault Diagnostic System Module The software showcases an extensive graphical user interface (GUI) developed to display the analysis features in an efficient and intuitive manner. The main interface can be seen in Figure 7-28. A summary of the main interface elements are included here; for detailed explanation of the interface and operation of the software, please refer to the Combustion Turbine Vibration Fault Diagnostics System User’s Guide. 7-40 Figure 7-28 Vibration Fault Diagnostics System User Interface
VFDS System Status The VFDS software is internally divided into several components or threads: GUI, Acquisition, Analysis, and PI Communication. The status indicators shown in Figure 7-29 display the current status of the critical portions of the software, and provide information about the current state of the machine. Log Figure 7-29 System Status Indicators, Controls and Log This dynamic text field displayed in Figure 7-29 is updated with relevant information about the current state of the system. The diagnostic assessment algorithms determine the current operating mode of the combustion turbine and display it here, along with information about files saved or deleted by the software and any errors that may occur. This information is also recorded in a text file on disk under the name VFDS Log.txt. Features The Vibration Fault Diagnostics System utilizes many signal processing techniques to extract useful diagnostic features from the monitored signals. Some of these features are extracted directly from the raw time domain signal; others are extracted from the frequency domain after an initial processing step. Time domain features are extracted directly from the time-based signal. Frequency domain features require a frequency analysis such as a Fast Fourier Transform 7-41
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Advanced Monitoring to Improve Comb
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ABSTRACT Power generators are conce
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O&M Operations and Maintenance ODBC
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x Results Fusion...................
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xii Performance Option.............
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xiv Detailed Information on Workshe
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xvi Combustion Turbine Heat Balance
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xviii Steam Turbine Conditions.....
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xx Hours-Based Hot Section Calculat
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xxii Static Waterfall Plots .......
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Figure 2-30 Training Data Sample fo
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Figure 6-12 Trend Chart of HP Turbi
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LIST OF TABLES Table 2-1 SCAMP Inpu
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Introduction Project Objective The
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Introduction prognostic strategies
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Introduction stage buckets. These t
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Sensor Validation and Recovery Modu
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Sensor Validation The SVRM utilizes
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Figure 2-9 Architecture Utilized by
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Figure 2-10 Neural Network Results
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One final consideration with respec
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Figure 2-14 Levels of Displacement
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The addition of the sensor recovery
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information concerning sensor anoma
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Figure 2-20 Generator Output Power
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Figure 2-25 Program Tab of the Conf
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Figure 2-27 Batch Analysis Tab of t
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however, impractical to monitor on
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networks’ ability to generalize a
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Rule 1: IF T1 IS warm OR T2 IS warm
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3 COMBUSTION TURBINE PERFORMANCE AN
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CTPFDM Development Philosophy Sever
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3-5 CTPDM Input Data Files DCS 3 2
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3-7 the bottom of the screen. When
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• Status.sys, a text file contain
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3-11 Program Files CTPFDM CTPFDM.XL
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CTPFDM Directory The directory wher
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Remove CT Model To remove an existi
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Get ISO Conditions This button, whe
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If the user makes changes to the da
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Reference Conditions for Rating Ent
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Heat Rate 0.1-2 Flow 0.1-2 Compress
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First Nozzle Cooling Air 0-0.33 Com
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Acceptable Ranges The following tab
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CTPFDM DLL (as is done in off-line
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Detailed Information on Worksheets
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3-33 Pressure Ratio 18 16 14 12 10
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CTPFDM units, they will be converte
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Inputs Row # 3-37 Table 3-4 Continu
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the IGV measurement is not availabl
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indicator flag will be set to "yes"
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Note that the Total Number of Wheel
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Corrected Site Conditions The fourt
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3-47 Table 3-5 Format of Missinp.da
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CTPDM Version 3.2 Gas Turbine Perfo
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Combustion Turbine Performance and
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Some fault diagnostics are based on
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The air splits are treated as a fra
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The following definitions are used
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WCI ∗ (HCD − H1REF) + WF ∗ (H
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methods rely on different measureme
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combined Cycle Performance and Faul
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Start-Up Diagnostics Module (SUDM),
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Remaining Life Module Report (RLM),
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