Provided is an electrical generator including a stator having a stator body extending axially between a first axial end and a second axial end, the stator body including a plurality of slots, the plurality of slots being circumferentially distributed around a longitudinal axis of the stator body. The stator includes a plurality of windings housed in the plurality of slots and a plurality of end-windings, each end winding having a curved shape and connecting the windings in two slots of the plurality of slots.
The electrical generator further includes at least one air guide inside and/or outside the plurality of end-windings cool.