Steam Turbines, Gas Turbines, and Combined Cycle Power Plants in Power Generation

Introduction:

The course on power generation in steam and gas turbines with combined cycle and steam power plants provides a thorough exploration of steam power generation, gas turbines, and combined cycle plants. It covers critical components such as compressors, gas and steam turbines, heat recovery steam generators, vacuum deaerators, condenser cooling and lubrication systems, instrumentation, control systems, reactive power apparatus, and rotors and armatures.

The course addresses the design, selection, operation, and economic aspects of turbines, along with their maintenance, emissions, reliability limits, monitoring, and governing features. It highlights advancements made in power plants over the past twenty years and explores modern gas turbine technologies.

Participants will gain a comprehensive understanding of the systems and operations crucial for the efficiency of steam turbines, gas turbines, and combined cycle power plants. This course is tailored for mechanical and chemical engineers, product engineers, and professionals involved in construction, energy projects, operation, maintenance, and advisory services.

Objectives:

By the end of this power plant training program, participants will be able to:

• Identify components and subsystems of gas turbines, steam power plants, and combined cycle plants.
• Understand the performance and economic aspects of combined cycle plant design.
• Recognize various equipment, including compressors, turbines, governing and combustion systems, deaerators, feedwater heaters, transformers, generators, and auxiliaries.
• Apply maintenance methods for gas turbines, steam power plants, combined cycles, and generators to enhance efficiency, reliability, and longevity while reducing costs.
• Address environmental emissions control and monitoring issues.
• Analyze control and instrumentation systems for gas turbines and combined cycles.
• Enhance predictive, preventive, and reliability maintenance practices.
• Consider selection and application aspects of steam power and combined cycle plants.

Training Methodology:

• Interactive lectures
• Case studies
• Hands-on simulations
• Group discussions
• Equipment demonstrations
• Problem-solving exercises
• Technical tours

Course Outline:

Unit 1: Steam Power Plants

• Review thermodynamics concepts
• Affordable power plants
• Fire-tube and water-tube boilers
• Steam drum
• Superheaters and reheaters
• Steam turbines and condensers
• Feedwater heaters
• Efficiency and heat classification calculations
• Supercritical plants
• Costing adequacy of steam power plants

Unit 2: Steam Turbines and Auxiliaries

• Turbine types and compound turbines
• Turbine control systems
• Steam turbine maintenance
• Steam generators, heat exchangers, and condensers
• Power station performance monitoring
• Turbine governing systems
• Steam chests, valves, and turbine protective means
• Instrumentation and lubrication systems
• Balancing turbine generators, vibration analysis, and maintenance

Unit 3: Gas Turbines and Compressors

• General principles of gas turbines
• Gas turbines for electrical power generation
• Gas turbine construction and engineering
• Auxiliary equipment and off-design operation
• Compressor stall and surge
• Centrifugal compressor design, performance, and testing
• Dynamic compressor performance
• Compressor seal systems and novel sealing methods

Unit 4: Combined Cycle Power Plants

• Comparison of combined cycle and simple cycle plants
• Overview of combined-cycle technology
• Single shaft combination power generation plants
• Combined cycle performance limits and enhancement options
• Operation and maintenance of combined cycle systems
• Historical advancements in combined cycle systems

Unit 5: Transformers and Generators

• Basics of electric systems construction
• Machinery principles
• Transformers: construction and maintenance
• Alternating current machines
• Generators and their parts, auxiliaries, and excitation systems
• Generator testing, inspection, and maintenance