Warming concept for rapid motion of the steam turbine in combined cycle power plants using a heat accumulator

The invention relates to a method for 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 come into contact, and a turbine shaft (3) comprise passes through the turbine housing (2) axially, comprising wherein the steam turbine (1) during stoppage of the turbine (1) heat energy is supplied, wherein the interior of the turbine housing (2) during the shutdown of the steam turbine, steam is supplied to the provided in the interior of the turbine housing (2) turbine components (3, 4, 5) to heat and / or keep warm.