This lesson identifies and describes the major components of a combined cycle power plant. • Describe the design and operating principles of a combustion turbine used in a combined cycle application • Describe the design and operating principles of a heat recovery steam generator used in a combined cycle application • Describe the design and operating principles of an electrical generator used in a combined cycle application • Describe the purpose of a stack damper on combined cycle units • Explain the use of supplementary firing in heat recovery steam generators • Explain natural and forced circulation in the steam production process • Explain the purpose of selective catalytic reduction and carbon monoxide catalyst systems in the operation of a combined cycle power plant • Be able to exp