Ansaldo Energia S.p.a.

Vincenzo Tartaglione

A ventilated rotor of a high-power turbogenerator for the production of electricity has a shaft extending along an axis; a plurality of axial slots obtained in the shaft; a plurality of conductor bars arranged at least partly in the slots; a plurality of axial channels suitable for ventilating the conductor bars; a plurality of subslots, each of which is arranged below a slot to distribute a ventilating gas; a plurality of axial portions traveled over by respective flows of ventilating gas along each axial channel; and at least one radial channel, which is intended to convey directly the ventilating gas from the subslot to the outer surface of the rotor via the conductor bars and is arranged between two consecutive and adjacent axial portions of an axial channel.

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Arenzano, Italy

Vincenzo Tartaglione