Gas Turbine Operation, Performance, Maintenance and Repair

The primary objective of this Gas Turbine Operation, Performance, Maintenance and Repair training program is to empower professionals with—
• detailed information and knowledge about gas turbines, including their operation, performance, maintenance and troubleshooting
• the required skills to successfully handle processes involving gas turbines
• the ability to make appropriate, timely decisions related to the choice of material and type of turbine as per the intended purpose
• the necessary confidence and knowledge to train other professionals to efficiently work with gas turbines
• the experience and exposure to review current systems and make enhancements to improve operational efficiency and demonstrate skill and talent
• the confidence to face all challenges when working with gas turbines and not let these impact the organisation
• the ability to contribute to operational efficiency and reduction in operational and maintenance costs, thereby demonstrating potential to undertake higher roles and responsibilities
• the capabilities to ensure adherence to all standards set out for working with gas turbines
• a sense of pride contributing to organisational development through reduced costs and increased operational efficiency
Course Content:
Elements Common to All Gas Turbines
• Upstream rotating gas compressor
• Combustor
• Downstream turbine on the same shaft as the compressor
Types of Gas Turbines and their Operation
• Jet engines
• Turboprop engines
• Aeroderivative gas turbines
• Amateur gas turbines
• Auxiliary power units
• Industrial gas turbines for power generation
• Industrial gas turbines for mechanical drive
• Turboshaft engines
• Radial gas turbines
• Scale jet engines
• Microturbines
Advantages of Gas Turbine Engines
• High power-to-weight ratio
• Smaller than most engines
• Smooth main shaft rotation
• Fewer moving parts
• Greater reliability
• Waste heat dissipated almost entirely
• Lower peak combustion pressures
• High shaft speeds
• Low lubricating oil cost and consumption
• Low toxic emissions
Disadvantages of Gas Turbine Engines
• High core engine costs
• Less efficiency at idle speed
• Longer start-up
• Less responsive to changes in power demand
• Characteristic whine that is hard to suppress
Four Thermodynamic Processes in an Ideal Gas Turbine
• Isentropic compression
• Isobaric combustion
• Isentropic expansion
• Heat rejection
Gas Turbine Performance
• Site-dependent parameters
o Ambient temperature
o Ambient pressure
o Humidity
• Pressure ratio
• Turbine inlet temperature
• Components efficiency
o Stagnation or total properties
o Isentropic efficiency
o Polytropic efficiency
Components of Gas Turbine Systems Requiring Special Attention
• Turbine
• Compressor
• Air intake
• Exhaust chimney
• Gearbox
• Combustor
• Electric generator
Refurbishment Methods to Deal with Mechanical Stress and High Operating Temperatures
• Removal of old coating
• Application of new coating
• Welding to rebuild geometry
• Heat treatment to rejuvenate the material condition
• Change in design and material
Benefits of Gas Turbine Maintenance
• Increased system efficiency
• Extended gas turbine life cycle
• Reduced maintenance costs
• Increased availability of gas turbine
• Increased reliability of equipment
Types of Maintenance Inspections
• Standby inspections
• Running inspections
• Rapid cool-down
• Combustion inspection
• Hot gas path inspection
• Major inspection
Gas Turbine Troubleshooting
• Abnormal conditions and operations
• Vibrations
• Axial turbine and compressor issues

Methodology
The training methodology integrates lectures, interactive discussions, collaborative group exercises, and illustrative examples. Participants will acquire a blend of theoretical insights and hands-on practical experience, emphasizing the application of learned techniques. This approach ensures that attendees return to their professional environments equipped with both the competence and self-assurance to effectively implement the acquired skills in their responsibilities.

DATE:

1ST BATCH:        28th – 31st Jan, 2025     

2ND BATCH:       1st – 4th July, 2025