Warming concept for rapid motion of the steam turbine in combined cycle power plants: Use of inert gas

The invention relates to methods of shortening the start-up of a steam turbine (1) comprising a turbine housing (2) and within the turbine housing (2) provided for the turbine components (3, 4, 5) which flows through during operation with a turbine housing (2) working medium in have contact and a turbine shaft (3) comprise passes through the turbine housing (2) axially, comprising wherein the steam turbine (1) during stoppage of the steam turbine (1) heat energy is supplied, wherein the interior of the turbine housing (2) during the stoppage of the steam turbine, a hot inert gas is supplied.