ANALYSIS OF THE MAJOR PRECONDITIONS OF COAL-HYBRID POWER PLANTS CONSTRUCTION AS A PERSPECTIVE DIRECTION OF HIGH EFFICIENCY HEAT-POWER ENGINEERING DEVELOPMENT
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In this paper we are investigating the question of technical and economic efficiency of coal-hybrid power plants construction. We are considering a combined-cycle gas turbine plant, in which combustion heat of the coal is used to provide the necessary initial temperature in the gas cycle and before the steam turbine while the hydrogen fuel is used for intermediate steam superheating. This technical solution allows to increase significantly power and heat generation efficiency but also raises the issue of the most effective way of producing hydrogen. As the research results revealed, there are large scale production and row material bases available in Russia, therefore the question deserves further investigations.
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