Steam and gas turbinesLaajuus (3 ECTS)

Objective

The course aims to familiarize the student with the importance of turbines in energy production, their operating principles, structures, control, operation, damage and repair.

Content

1. Basic theory and efficiency of steam turbines, classification of steam turbines
2. Power control of steam turbines, construction of steam turbines. Failure analysis and maintenance. Off design performance of steam turbines.
3. Performance analysis of Power Plant Condensers, Steam turbine leakage control
4. Bearing and lubrication oil system, control and safety oil system
5. Application of gas turbines, ideal and real cycles, methods of accounting for component losses.
6. Basics of radial and axial compressors and turbines, design point calculations and performance
7. Combustor design and cooling, performance and emissions
8. Analysis of steam and gas turbine combined cycle
9. Gas turbine control, maintenance, repair and overhaul

Qualifications

Energy technology, basics and advance

Assessment criteria, satisfactory (1)

1. The student can distinguish between different types of steam turbine and is familiar with the losses of steam turbines
2. The student understands the importance of velocity triangles in calculating the performance of steam turbine stage and is able to calculate the turbine efficiencies
3. The student is familiar with the steam turbine power control methods and failures and maintenance of steam turbines
4. The student is able to calculate the actual gas turbine cycle by taking into account the losses of components
5. The student is familiar with the combined steam and gas turbine plant process variations and understands the impact of selected parameters on performance and economy of use
6. The student is familiar with the causes of faults in gas turbines and their repair potential

Assessment criteria, good (3)

1. The student can distinguish between different types of steam turbine and is familiar with the losses of steam turbines
2. The student understands the importance of velocity triangles in calculating the performance of steam turbine stage and is able to calculate the turbine efficiencies
3. The student is familiar with a steam turbine power control methods and their energy economy
4. The student knows the condensate and feed water system and a steam turbine auxiliary and safety systems operation
5. The student is able to calculate the actual gas turbine cycle by taking into account the losses of components
6. The student is familiar with the combined steam and gas turbine plant process variations and understands the impact of selected parameters on performance and economy of use
7. The student is familiar with the causes of faults in steam and gas turbines and their repair potential

Assessment criteria, excellent (5)

1. The student can distinguish between different types of steam turbine and is familiar with the losses of steam turbines
2. The student understands the importance of velocity triangles in calculating the performance of steam turbine stage and is able to calculate the turbine efficiencies
3. The student is familiar with a steam turbine power control methods and their energy economy
4. The student knows the condensate and feed water system and a steam turbine auxiliary and safety systems operation
5. The student is able to calculate the actual gas turbine cycle by taking into account the losses of components
6. The student knows the basic performance of the compressor, turbine and combustor of gas turbine
7. The student is familiar with the combined steam and gas turbine plant process variations and understands the impact of selected parameters on performance and economy of use
8. The student is familiar with the causes of faults in steam and gas turbines and their repair potential