A control method is provided during which a turbine engine (20) is operated. The turbine engine (20) includes a plurality of steam cooled zones (106) along a flowpath (52) within the turbine engine (20). Steam is distributed between the steam cooled zones ...

A turbine rotor with at least one rotor disk is disclosed. The turbine rotor comprises a heating arrangement for heating at least a part of the rotor disk. The heating arrangement comprises a conductor for conducting electric current. The conductor is posi...

A power generation system contains a compressor stage, a pre-burner stage, a combustion stage and a turbine stage. The pre-burner stage heats a portion of flow from the compressor stage to impart a higher temperature within the flow. The heated flow is dir...

A casing air temperature Ta and a steam temperature Ts are measured, and if an absolute value DELTA T of a difference between these two temperatures is within a predetermined temperature, the gas turbine is connected to the generator. After the connection ...

A vapor tube structure (21,22,23,24) in a gas turbine comprises first connecting tubes (54) fixed to a casing (4), second connecting tubes (56) fixed to a blade ring (1), a recovery ring (25) and a cooling recovery ring (38), a bellows tube (57) of the fle...