Method for operating a gas-and-steam combined cycle power plant and gas and steam combined cycle power plant

摘要

The invention relates to a method for operating a gas-and-steam combined cycle power plant (10) in which hot steam is generated by means of exhaust gas of a gas turbine (12) by means of which at least one generator (30) is provided via at least one turbine device (22) is powered by electric current, wherein at least a portion of heat contained in the steam is used to effect an endothermic chemical reaction.