Abstract: A permanent magnet electrical machine is provided including a rotor body and a plurality of permanent magnet modules arranged around a rotational axis of the permanent magnet electrical machine, each permanent magnet module including at least a permanent magnet and a baseplate, the baseplate including a base side for attaching the permanent magnet module to the rotor body of the permanent magnet machine and an opposite top side for attaching the permanent magnet to the baseplate. The rotor body includes at least a cavity housing a non-magnetic and/or non-conductive medium for creating a magnetic flux barrier between the rotor body and the permanent magnet module. The baseplate may include a protrusion. The protrusion may be shaped as a dovetail. One or elastomeric inserts may be provided between the baseplate and the rotor body.

Abstract: A method a magnet system for a rotor of a permanent magnet electrical machine includes: a first module including a first support member; a second module includes a second support member; wherein the first module includes a first permanent magnet supported by the first support member and/or the second module includes a second permanent magnet supported by the second support member, wherein the first support member and the second support member have respective contact portions which are at least partly structurally complementary to each other allowing to arrange the first module and the second module adjacent to each other in the axial direction, while the contact portions contact each other and causing traverse shift in a direction travers to the axial direction, when pushed towards each other in the axial direction.

Abstract: A method of manufacturing a permanent magnet module for a permanent magnet machine includes the steps of: providing at least a permanent magnet, manufacturing a cover for covering the permanent magnet, the cover including a stainless steel, wherein the cover includes at least a top side and two lateral sides, the magnetic permeability of the top side being higher than the magnetic permeability of the lateral sides, the lateral sides being respectively attached to a first and a second edge of the top side, the lateral sides being angled with respect to the top side, attaching the cover to the permanent magnet.

Abstract: A permanent magnet module for a permanent magnet electrical machine includes at least a permanent magnet and a baseplate. The baseplate includes a base side for attaching the permanent magnet module to the permanent magnet machine and an opposite top side for attaching the permanent magnet to the baseplate. The permanent magnet module further includes at least a spring for limiting the movement of the respective permanent magnet module along a tangential direction (X) of the permanent magnet electrical machine. The baseplate includes at least a lateral side, the lateral side including the spring.

Abstract: Provided is a support structure segment for a stator of a generator, in particular of a wind turbine, wherein the support structure segment includes a carrier element extending in an axial direction AD, wherein the carrier element includes a base section, a side section and a top section, and wherein the top section is configured to be coupled to a lamination sheet section of the stator by means of a fixing connection.

Abstract: Provided is a support structure segment for a stator of a generator, in particular of a wind turbine, wherein the support structure segment includes a carrier element extending in an axial direction AD, wherein the carrier element includes a base section, a side section and a top section, and wherein the top section is configured to be coupled to a lamination sheet section of the stator by means of a fixing connection.

Abstract: A generator armature including a plurality of laminate sheets stacked to form an annular arrangement of armature teeth, whereby each pair of adjacent armature teeth is separated by an axial winding slot extending a direction essentially parallel to an axis of rotation of the generator; and a plurality of radial cooling channels, whereby a radial cooling channel is realized to transport a cooling medium and extends from an axial winding slot to an interior cavity of the generator, and wherein a radial cooling channel includes a series of aligned notches in the laminate sheets of a laminate stack is provided. A laminate sheet for an armature of a generator, a cooling arrangement, a generator, a wind turbine, and a method of cooling stator windings arranged on an armature of a generator is also provided.

Abstract: A wind turbine including a nacelle supported by a tower, a generator, a rotatable front assembly arranged on a side of the generator facing away from the nacelle, and a cooling system for cooling the generator by feeding cooling air from the rotatable front assembly to the generator is provided. Furthermore, a method of cooling a generator of a wind turbine is described.

Abstract: A generator armature including a plurality of laminate sheets stacked to form an annular arrangement of armature teeth, whereby each pair of adjacent armature teeth is separated by an axial winding slot extending a direction essentially parallel to an axis of rotation of the generator; and a plurality of radial cooling channels, whereby a radial cooling channel is realized to transport a cooling medium and extends from an axial winding slot to an interior cavity of the generator, and wherein a radial cooling channel includes a series of aligned notches in the laminate sheets of a laminate stack is provided. A laminate sheet for an armature of a generator, a cooling arrangement, a generator, a wind turbine, and a method of cooling stator windings arranged on an armature of a generator is also provided.

Abstract: A field structure of an electrical machine includes a plurality of field slots. Each field slot extends from a first surface of the field structure into the body of the field structure. Each filed slot also has a T-shaped cross-sectional area dimensioned to accommodate a magnet pole assembly comprising a corresponding cross-sectional area.

Abstract: A field structure of an electrical machine includes a plurality of field slots. Each field slot extends from a first surface of the field structure into the body of the field structure. Each filed slot also has a T-shaped cross-sectional area dimensioned to accommodate a magnet pole assembly comprising a corresponding cross-sectional area.