Slender air-cooled steam turbine generator

The invention relates to the technical field of generator parts, in particular to a slender air-cooled steam turbine generator. The invention provides a slender air-cooled turbonator, which comprises a stator, a rotor, a bearing and an exciter, and is characterized in that the stator comprises a stator core and a stator casing, a plurality of hot air chambers and a plurality of cold air chambers are arranged in the stator casing along the radial direction, and first hot air areas are arranged at two ends of the stator casing along the axial direction; the length of the first hot air area is 15%-25% of the length of the stator casing; the cold air chambers and the hot air chambers are alternately arranged between the two first hot air areas; fans are respectively arranged on two sides of the stator casing, the first hot air area is provided with a plurality of cold air inlets, communication ports are arranged between the adjacent cold air chambers and hot air chambers, communication ports are arranged between