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High Pressure Boiler Feed Pump (BFP) is an important component of any thermal power plant. Its function is to pump de-aerated water from the de-aerator to the boiler. These pumps are normally high pressure units that uses suction from condensate return system .It can be of centrifugal pump type or positive displacement type; for the purpose of this study we conducted this research on centrifugal pump. But the problem here is that “The HPBFP discharge pressure of the pump is around 160 kg/cm whereas HP-drum pressure is around 80kg/cm. So there is huge loss of pressure in HP drum, hence huge loss of energy”. This means that there is huge amount of throttling which is currently taking place to bring the pressure to 80 kg/cm which ultimately leads to huge wastage of power and high maintenance to the throttling valve in the long run. So after extensive research four solutions were found and on further analysis and feasibility the best solution was found which could solve the problem. Keywords— HPBFP; De-staging parts; Energy Losses; Retrofitting; Hydraulic Coupling; Speed Control; Throttling; Variable frequency drive

Comparative Research of Methods for Performance Improvement of High Pressure Boiler Feed Pumps in Power Plants