By Tadashi Tanuma
Advances in Steam generators for contemporary energy Plants presents an authoritative evaluation of steam turbine layout optimization, research and size, the advance of steam turbine blades, and different severe parts, together with turbine retrofitting and steam generators for renewable energy plants.
As a truly huge share of the world’s electrical energy is at present generated in structures pushed through steam generators, (and will probably stay the case sooner or later) with steam generators working in fossil-fuel, cogeneration, mixed cycle, built-in gasification mixed cycle, geothermal, sunlight thermal, and nuclear vegetation internationally, this booklet presents a entire evaluate of the learn and paintings that has been accomplished over the last decades.
- Presents an in-depth overview on steam turbine layout optimization, research, and measurement
- Written by means of quite a number specialists within the area
- Provides an summary of turbine retrofitting and complicated functions in strength generation
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Additional info for Advances in steam turbines for modern power plants
24. Fig. 25 shows a system diagram of this type of combined cycle. HRSG is composed of three drums, that is, HP, IP, and LP drums, and of finned tube super heater, reheater, evaporator, and economizer sections. By application of this system, the GT exhaust gas temperature is reduced within HRSG, where exhaust gas energy is utilized to raise inlet temperature of the steam turbine. As a whole, this system brings thermal efficiency improvement. Fig. 26 shows a single-shaft type configuration, where the gas turbine, steam turbine, and generator are in line.
42 Advances in Steam Turbines for Modern Power Plants pressure and temperature of the main steam at the turbine inlet because the increases in pressure and temperature directly enhance the thermal efficiency of the Rankine cycle which is a basic cycle of steam turbine plants. 064 MPa. 1 unit in the United States are pioneers of the supercritical plants [1,2]. 0 MPag for main steam pressure and 621/566/538 C for main steam, first reheat steam, and second reheat steam temperature, respectively. 5 MPag and 649/566/566 C, respectively.
This high-temperature combustion gas rotates the gas turbine. The gas turbine produces power and relatively hightemperature exhaust gas. This exhaust gas heat is recovered by the heat-recovery steam generator which is installed at the exit of the gas turbine. The steam generated by heat recovery steam generator (HRSG) rotates the steam turbine and produces power. By combination of the two cycles, thermal efficiency is improved much more than in each simple cycle. The combined cycles are classified by way of different viewpoints.
Advances in steam turbines for modern power plants by Tadashi Tanuma