QI// A steam turbine equipped with single stage reheating and regenerative feed heating operates under the following conditions. Reheater Initial steam HP IP LP Osier pressure 100 bar, initial steam temperature 530 °C, pressure at which steam is heated - 20 bar, reheat temperature at intermediate pressure turbine = 510 °C, feed temperature at outlet from final feed heater = 215 °C, exhaust pressure = 0.055 bar, steam bled off before reheater = 4% of steam entering turbine, total steam bled off 21% of stean entering turbine, internal efficiency of high pressure turbine 0.83, internal efficiency of intermediate and low pressure turbines = 0.88, efficiency of alternator = 0.98. Neglecting heat losses and pressure losses due to reheating, calculate: the heat rate in kJ/kWh, and the total volume of steam passing through the exhaust in m'/s if the electrical output is 10000kW. inlet to 11g OFP

QI// A steam turbine equipped with single stage reheating and regenerative feed heating operates under the following conditions. Reheater Initial steam HP IP LP Osier pressure 100 bar, initial steam temperature 530 °C, pressure at which steam is heated - 20 bar, reheat temperature at intermediate pressure turbine = 510 °C, feed temperature at outlet from final feed heater = 215 °C, exhaust pressure = 0.055 bar, steam bled off before reheater = 4% of steam entering turbine, total steam bled off 21% of stean entering turbine, internal efficiency of high pressure turbine 0.83, internal efficiency of intermediate and low pressure turbines = 0.88, efficiency of alternator = 0.98. Neglecting heat losses and pressure losses due to reheating, calculate: the heat rate in kJ/kWh, and the total volume of steam passing through the exhaust in m'/s if the electrical output is 10000kW. inlet to 11g OFP

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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