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Power Plant Instrumentation and Control Handbook by Ajay Kumar Debnath, Swapan Basu

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8. Superheater Temperature Control

8.0. General

Superheated steam is steam with a temperature that is higher than the saturation temperature for a particular steam pressure. The saturated steam is described as superheated according to the degrees it has been heated to above the saturation temperature. Superheated steam is principally used in power generation plants as the driving force for turbines. Application of the Rankin cycle in thermal power plants is discussed in most text books on the thermodynamic properties of steam. Very brief discussions are also presented in various sections of Chapters I and II. Superheated steam is more thermally efficient than saturated steam for driving the TG.
Because the extra heat causes transmission of more ...

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