Course Objectives:

• Explain the role of gas turbines in power generation.
• Identify factors driving efficiency improvements.
• Define key performance parameters.
• Explain effect of compressor/turbine efficiency.
• Explain effect of compressor inlet temperature.
• Explain effect of turbine inlet temperature.
• Explain effect of pressure ratio.
• Analyze effect of location/ambient conditions.
• Distinguish improvements from repairs/retrofitting.
• Evaluate data to identify improvement opportunities.
• Relate efficiency to energy generation cost.

Course Outlines:

Introduction to Gas Turbines in Power Generation

• Growth of gas turbine use in electricity, aviation, and industry
• Advantages: fast installation, lower prime cost, rapid startup to full power
• Applications: peak-load vs. base-load/shift-operated stations
• Role of advances in materials/metallurgy in efficiency and turbine life

Defining Plant Improvement

• Distinguishing improvements from repairs and retrofitting
• Criteria for a valid plant improvement (efficiency gain, output increase, extended economic life)
• Planning approach for improvement projects

Key Performance Parameters

• Net work output
• Thermal efficiency
• Specific fuel consumption (SFC)
• Turbine efficiency
• Compressor efficiency

 Factors Affecting Performance

• Pressure ratio (rp)
• Turbine inlet temperature (T3)
• Compressor inlet temperature / ambient temperature (T1, Ta)
• Effect of compressor efficiency on turbine work
• Effect of turbine efficiency on cycle output

Effect of Location and Ambient Conditions

• Influence of ambient air temperature on compressor inlet conditions
• Relationship between inlet temperature and thermal efficiency
• Site-specific performance considerations

Case Study – Rehab Power Station (Jordan)

• Overview of gas turbine unit and technology
• Data collection and performance monitoring approach
• Key findings on efficiency and energy cost
• Lessons applicable to other gas turbine installations

Economic Impact of Performance Improvement

• Relationship between efficiency and energy generation cost
• Step-by-step performance/cost calculation approaches
• Applying findings to reduce operating costs

• Who Can Benefit?
• Engineers or technicians working in gas turbine operation or technical affairs

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