Question: Conceptual Power Plant Design Objective: A power generating station is to be designed to operate on a modified Rankine cycle to produce a minimum net
Conceptual Power Plant Design Objective: A power generating station is to be designed to operate on a modified Rankine cycle to produce a minimum net output of 150 MW - after the electrical generator efficiency is considered - of power at design operating conditions. The plant will consist of a single boiler-steam generator and a maximum of 4 power generation sets, each comprised of a steam turbine, one or more condensers, and recirculation pumps; the combined power generation set producing the specified net output of 150 MW of power. The 4 power-generation sets do not need to be identical, but a complete thermodynamic analysis of each configuration will be required and the total output must meet the design goal. The minimum condenser pressure is 8 kPa and the condenser shall be of a shell-and-tube design. The steam generator can produce a maximum of 360,000 kg/hr of superheated steam, and at a minimum, is to be comprised of a water-tube furnace, and a tube-bank array (cross-flow) boiler, superheater and economizer, and the maximum operating pressure of the boiler is 10 MPa. The turbines and pumps for initial can have a rated isentropic efficiency of up to 93% and 85% (but component
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