(i) The steam bled per kg of steam supplied to the turbine. (ii) The steam generated per hour if the 9 percent of the generator output is used to run the pumps. (iii) The overall efficiency of the plant.
(i) The steam bled per kg of steam supplied to the turbine. (ii) The steam generated per hour if the 9 percent of the generator output is used to run the pumps. (iii) The overall efficiency of the plant.
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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Q1) State how the boilers are classified ?
Q2) The following data relate to a regenerative steam power plant generating 22500 kW energy, the alternator directly coupled to steam turbine : Condition of steam supplied to the steam turbine ... 60 bar, 450 degrees * C Condenser vacuum ... 707.5 mm Pressure at which steam is bled from the steam turbine ... 3 bar Turbine efficiency of each portion of expansion ... 87 per cent Boiler efficiency ... 86 per cent Alternator efficiency ... 94 per cent Mechanical efficiency from turbine to generator ... 97 per cent Neglecting the pump work in calculating the input to the boiler, determine (i) The steam bled per kg of steam supplied to the turbine. (ii) The steam generated per hour if the 9 percent of the generator output is used to run the pumps. (iii) The overall efficiency of the plant.
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