BARRING GEAR & AVOIDING STALLING
Barring gear is mechanism which rotate turbine shaft (with generator) when motive steam is not available i.e. when turbine is in trip condition. Steam turbine is on barring means turbineRead More
FEED WATER SYSTEM
INTRODUCTION The source of feed water is FST into the feed water system, (in other words, we may say that FWS starts here). In FST water coming from Deaerator afterRead More
AUXILIARY PRESSURE REDUCING & DESUPERHEATING STATION (APRDS)
OBJECTIVE Auxiliary steam is the steam that is required for various auxiliary requirements in a power plant. A part of main steam is tapped off for auxiliary steam station fromRead More
GOVERNING SYSTEM OF STEAM TURBINE
Governing system is a device or combination of different system & logics which are used to control the speed of a steam turbine. A governor protects the prime mover fromRead More
AIR PREHEATER
An APH is a heat trap device. Air heater is a heat exchanger in which air temperature is raised by transferred heat from flue gas. Air heater transfer heat fromRead More