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Power Plant Instrumentation and Control Handbook by Ajay Kumar Debnath, Swapan Basu

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Chapter II

Main Equipment

Abstract

The power plant is conceived as a “basic heat engine” comprising a boiler, turbine, condenser, boiler feed pump (BFP), generator, heaters, water treatment, coal/ash/oil-handling plant, condensate polishing unit (CPU), CW and ACW system, cooling towers, etc. Boilers incorporate subsystems like fuel, air/draft/feed water with auxiliaries such as pulverizers (solid fuels), fuel oil, FD/PA/ID fans, BFPs, etc. A turbine drives the generator with subsystems like turbine oil, turning gear, HP/LP bypass, gland sealing systems, governor and isolation valves, condenser, ejectors, electro hydraulic governing control, protection and testing, supervisory instrumentation, CPU, and CEPs. Generators are based on two major parts: ...

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