Turbo Machinery Monitoring & Problem Analysis

Turbo Machinery Monitoring & Problem Analysis

OBJECTIVES

• How to evaluate turbine performance during startup and operation
• How to identify turbomachinery system components
• How to define and use appropriate monitoring techniques and tools
• How to utilize effective operation and shutdown procedures
• How to analyze common turbomachinery problems, such as vibration, temp/pressure operation and surge
• How to solve instrumentation and control problems
• Understand the inter-relationships of drivers, couplings, gearboxes, and driven equipment
• Installation techniques, equipment failures and different maintenance practices
• Economic considerations

COURSE OUTLINE

• Gas turbine machinery – general description
• Operating principles of gas turbines
• Key performance variables and means to monitor
• Major components of axial flow compressors: rotors, blades, shafts, combustion chambers, nozzles, etc
• Auxiliary systems: lube oil, seal oil, fuel, start-up, etc
• Evaluation of turbine performance parameters during start-up and normal operation
• Troubleshooting control systems for gas turbines: start-up, speed and temperature controls, vibration
• Principles of operation and general components of compressors: rotors, seals, diaphragms, etc
• Operating characteristics curves
• Surging phenomenon
• Choking phenomenon
• Compressor instrumentation: various control loops; anti-surge control loops
• Compressor safety interlock and trip systems
• Gas turbine and compressor systems start-up procedures
• Normal operation – monitoring of parameters
• Shutdown procedures
• Logging of monitoring checks
• Vibration monitoring
• Troubleshooting