60 MW power plant operates with a reheat cycle. The steam enters the turbine at 15 MPa, 590°C. The steam enters the reheater at 1.95 MPa and 280°C and exits at 1.8 MPa, 590°C. Conden pressure is. 0.0035 MPa. The steam rate is 150.000 kg/hr, and the generator efficiency is 90%. Determine the following: 1. Ideal cycle thermal efficiency without pressure drop 2. Actual cycle thermal efficiency 3. Actual combined engine efficiency 4. Enthalpy of exhaust steam (at point 4) if the heat lost through the turbine casing is 2% of the combined work.
60 MW power plant operates with a reheat cycle. The steam enters the turbine at 15 MPa, 590°C. The steam enters the reheater at 1.95 MPa and 280°C and exits at 1.8 MPa, 590°C. Conden pressure is. 0.0035 MPa. The steam rate is 150.000 kg/hr, and the generator efficiency is 90%. Determine the following: 1. Ideal cycle thermal efficiency without pressure drop 2. Actual cycle thermal efficiency 3. Actual combined engine efficiency 4. Enthalpy of exhaust steam (at point 4) if the heat lost through the turbine casing is 2% of the combined work.
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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A 60 MW power plant operates with a reheat cycle. The steam enters the turbine at 15 MPa, 590°C. The steam enters the reheater at 1.95 MPa and 280°C and exits at 1.8 MPa, 590°C. Conden pressure is. 0.0035 MPa. The steam rate is 150.000 kg/hr, and the generator efficiency is 90%. Determine the following:
1. Ideal cycle thermal efficiency without pressure drop
2. Actual cycle thermal efficiency
3. Actual combined engine efficiency
4. Enthalpy of exhaust steam (at point 4) if the heat lost through the turbine casing is 2% of the combined work.
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