Abstract: A rotor assembly (10) has a rotor support hub (12) which includes a plurality of first connection parts arranged about a periphery the rotor support hub. The rotor assembly further has a plurality of rotor segments (14) each having a second connection part. Each of the second connection parts are cooperable with at least one of the plurality of first connection parts to connect each of the rotor segments about the periphery the rotor support hub. A plurality of fixing parts (26) are each configured to be received between cooperating first and second connection parts and to form an inference fit therebetween so as to secure the rotor segments to the rotor support hub. The rotor support hub may comprise a plurality of laminations.

Abstract: The present disclosure relates to a rotor (3) for an electric machine (1). The rotor (3) is composed of a support frame (5) having a centre section (8) and a plurality of spokes (9). The spokes (9) extend outwardly from the centre section (8). The spokes (9) each have at least first and second bridge elements (12A, 12B) formed by one or more flux barrier (13). The first and second bridge elements (12A, 12B) are configured to control magnetic flux leakage into said centre section (8). The present disclosure also relates to an electric machine (1) having a rotor (3) of this type.

Abstract: The present disclosure relates to a rotor (3) for an electric machine (1). The rotor (3) is composed of a support frame (5) having a centre section (8) and a plurality of spokes (9). The spokes (9) extend outwardly from the centre section (8). The spokes (9) each have at least first and second bridge elements (12A, 12B) formed by one or more flux barrier (13). The first and second bridge elements (12A, 12B) are configured to control magnetic flux leakage into said centre section (8). The present disclosure also relates to an electric machine (1) having a rotor (3) of this type.

Abstract: A rotor assembly (10) has a rotor support hub (12) which includes a plurality of first connection parts arranged about a periphery the rotor support hub. The rotor assembly further has a plurality of rotor segments (14) each having a second connection part. Each of the second connection parts are cooperable with at least one of the plurality of first connection parts to connect each of the rotor segments about the periphery the rotor support hub. A plurality of fixing parts (26) are each configured to be received between cooperating first and second connection parts and to form an inference fit therebetween so as to secure the rotor segments to the rotor support hub. The rotor support hub may comprise a plurality of laminations.

Abstract: A stator arrangement includes a stator extending in a circumferential direction and plural teeth alternating with plural slots arranged along the circumferential direction. A first wire is arranged in a first slot of the plural slots. A second wire is arranged in a second slot of the plural slots, wherein the second slot is circumferentially adjacent to the first slot. A first converter has an input terminal connected to the first wire and a second converter has an input terminal connected to the second wire.

Abstract: A generator is provided, which includes a stator with a plurality of induction coils and a rotor rotatable around the stator with at least one permanent magnet or a plurality of permanent magnets arranged in circumferential direction. The generator also includes at least one airduct for guiding an air flow to the stator, wherein the at least one permanent magnet is or the plurality of permanent magnets are provided with recesses arranged opposite to the stator. In one embodiment, the generator is a generator of a wind turbine.

Abstract: A rotor arrangement includes a support structure providing a mounting surface extending in an axial direction and a circumferential direction. The support structure is adapted to rotate around the axial direction. A first permanent magnet system is arranged at the mounting surface at a first circumferential region. A second permanent magnet system is arranged at the mounting surface at a second circumferential region. A circumferential distance between the first magnet system and the second magnet system at a first axial position differs from the circumferential distance between the first magnet system and the second magnet system at a second axial position.

Abstract: A generator is provided that includes at least one pole set representing one phase. Each pole set includes a plurality of poles. Only one conductor is turned about the poles of a particular pole set such that only half a single turn is associated to each pole of the particular pole set.

Abstract: A generator is provided. The generator has a stator with teeth and slots for windings, a rotor rotatable around the stator, a plurality of permanent magnets, and a cooling pipe arranged beneath the slots. Further, a wind turbine with such a generator is provided.

Abstract: A stator coil segment for an electro mechanical transducer, in particular a generator for generating electric energy from mechanical energy, includes a first coil which is arranged at a first radial position along a radial direction and adapted to be connected to an input terminal of a first power electronic device. The radial direction is perpendicular to a rotation axis of the electro mechanical transducer. Further, a second coil is arranged at a second radial position along the radial direction and adapted to be connected to an input terminal of a second power electronic device, wherein the second radial position is different from the first radial position.

Abstract: A Stator arrangement for an electric machine includes a stator having a stator yoke with a plurality of stator slots. Each stator slot accommodates at least two adjacently disposed sets of stator windings and at least one cooling device, wherein the at least one cooling device is disposed between the respective adjacently disposed sets of stator windings.

Abstract: A stator arrangement includes a stator extending in a circumferential direction and plural teeth alternating with plural slots arranged along the circumferential direction. A first wire is arranged in a first slot of the plural slots. A second wire is arranged in a second slot of the plural slots, wherein the second slot is circumferentially adjacent to the first slot. A first converter has an input terminal connected to the first wire and a second converter has an input terminal connected to the second wire.

Abstract: A wedge for a stator of a generator with preformed coil windings includes a retaining portion for retaining coil windings. The retaining portion covers at least part of two neighbouring stator slots. A mounting projection at a bottom surface of the retaining portion for mounting the wedge to a top surface of a stator tooth is located between the two neighbouring stator slots.

Abstract: A yoke for a permanent magnet machine shows a surface with an accommodation area for accommodating a permanent magnet, wherein two recesses are provided adjacent to the accommodation area to increase reluctance.

Abstract: A magnet for a generator is provided. The magnet includes a base magnet with a main surface having a length and a width and a skewed magnet module arranged at the main surface. A rotor of a generator including the magnet is provided as well as a generator with a stator and rotor including the magnet.

Abstract: A rotor arrangement includes a support structure providing a mounting surface extending in an axial direction and a circumferential direction. The support structure is adapted to rotate around the axial direction. A first permanent magnet system is arranged at the mounting surface at a first circumferential region. A second permanent magnet system is arranged at the mounting surface at a second circumferential region. A circumferential distance between the first magnet system and the second magnet system at a first axial position differs from the circumferential distance between the first magnet system and the second magnet system at a second axial position.

Abstract: A Stator arrangement for an electric machine includes a stator having a stator yoke with a plurality of stator slots. Each stator slot accommodates at least two adjacently disposed sets of stator windings and at least one cooling device, wherein the at least one cooling device is disposed between the respective adjacently disposed sets of stator windings.

Abstract: A stator coil segment for an electro mechanical transducer, in particular a generator for generating electric energy from mechanical energy, includes a first coil which is arranged at a first radial position along a radial direction and adapted to be connected to an input terminal of a first power electronic device. The radial direction is perpendicular to a rotation axis of the electro mechanical transducer. Further, a second coil is arranged at a second radial position along the radial direction and adapted to be connected to an input terminal of a second power electronic device, wherein the second radial position is different from the first radial position.

Abstract: A yoke for a permanent magnet machine shows a surface with an accommodation area for accommodating a permanent magnet, wherein two recesses are provided adjacent to the accommodation area to increase reluctance.

Abstract: A magnet for a generator is provided. The magnet includes a base magnet with a main surface having a length and a width and a skewed magnet module arranged at the main surface. A rotor of a generator including the magnet is provided as well as a generator with a stator and rotor including the magnet.