Abstract: A rotor for a generator includes a cylindrical rotor body with axial winding slots which are arranged in a distributed manner over the circumference and in which are arranged conductor elements which extend in the axial direction. A cooling medium from a sub-slot which is arranged at the bottom of the winding slot is fed along the axis in periodic intervals to the conductor elements. Beneath the conductor elements provision is made for ripple springs which in each case press the conductor elements of a winding slot against a slot wedge which closes off the winding slot at the top. With such a rotor, an adequate spring force is achieved by the ripple springs being arranged at the bottom of the sub-slot and, via an axial profile which is arranged in the sub-slot, acting by their spring force upon the conductor elements which lie above them.

Abstract: A rotor for a generator includes a cylindrical rotor body with axial winding slots which are arranged in a distributed manner over the circumference and in which are arranged conductor elements which extend in the axial direction. A cooling medium from a sub-slot which is arranged at the bottom of the winding slot is fed along the axis in periodic intervals to the conductor elements. Beneath the conductor elements provision is made for ripple springs which in each case press the conductor elements of a winding slot against a slot wedge which closes off the winding slot at the top. With such a rotor, an adequate spring force is achieved by the ripple springs being arranged at the bottom of the sub-slot and, via an axial profile which is arranged in the sub-slot, acting by their spring force upon the conductor elements which lie above them.

Abstract: A rotor for a generator, in particular a high-power turbogenerator, has slots, which run axially in a rotor body and have conductor bars inserted in them, which are supported radially in the slots by means of wedges and are in each case electrically connected to one another at the ends of the rotor body in a rotor end winding. The rotor end windings are each covered by a rotor cap which is pushed over the end of the rotor body, and an electrically insulating covering channel is arranged in each of the slots between the uppermost conductor bar and the wedge and is connected outside the rotor body to a cap insulation, which is arranged between the rotor end winding and the rotor cap. The covering channels are formed with axially stepped ends at the ends of the rotor body.