Abstract :
The paper presents the complex energy analysis of technological systems of gas–steam power plants integrated with coal gasification. The bases of the performed energy analyses are the elaborate mathematical models describing the behaviour of main elements of the gas-steam power plants integrated with coal gasification, such as the gas generator, raw-gas cooler with the gas desulphurisation system, compressor, combustion chamber, gas turbine, heat-recovery steam-generator and steam-turbine cycle. The influence of coal-gasification technology, coal type, gasifying medium, fuel-desulphurisation technology and gas-turbine design on the efficiency of electric-energy generation were taken into account.
