Steam Turbine Fundamentals & Refresher
Steam turbine role in power generation
Types of steam turbines (impulse, reaction, condensing, backpressure)
Major components:
Rotor, blades, diaphragms, casing
Bearings and lubrication system
Glands and sealing systems
Operating principles and efficiency factors
Normal operating parameters and protection systems
Safety considerations and interlocks
Maintenance Practices & Degradation Mechanisms
Preventive vs predictive maintenance strategies
Bearing inspection and lubrication system maintenance
Alignment, clearances, and thermal expansion
Blade fouling, erosion, corrosion, and deposits
Seal and gland steam system maintenance
Valve maintenance (main stop valves, control valves)
Common degradation mechanisms:
Thermal fatigue
Vibration-induced damage
Oil contamination and degradation
Troubleshooting & Performance Improvement
Systematic troubleshooting methodology
Common steam turbine operational problems:
High vibration and noise
Bearing overheating
Oil system alarms and failures
Loss of efficiency and power output
Steam leakage and sealing issues
Interpretation of operating trends and alarms
Root cause analysis using real case studies
Best practices for start-up, shutdown, and load changes
Reliability improvement and life extension strategies
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