The present disclosure relates to the field of new energy, and provides a drive assembly with a motor controller and a vehicle including the same. A cylindrical housing is provided therein with a chamber, a partition wall provided on an inner wall of the housing divides the chamber into a motor mounting chamber and a controller mounting chamber. The present disclosure utilizes a space at a rear end in an axial direction of a motor, and designs a partition wall and a bearing, such that a rotor is rotatably provided in a motor mounting chamber and a motor controller is provided in a controller mounting chamber. The present disclosure designs a drive assembly with a motor controller at a rear end in the axial direction, thereby improving the device integration and space utilization, effectively reducing the occupied space, and realizing high integration of the motor controller and the drive assembly.

The present disclosure relates to the field of new energy, and provides a motor controller with an annular circuit layout, a drive assembly, and a vehicle. The motor controller includes a laminated busbar assembly and multiple power transistors, wherein the laminated busbar assembly a main circuit board, a positive electrode connection plate, a negative electrode connection plate, and a three-phase connection plate assembly. In the present disclosure, the main circuit board is provided with a connection position in a center thereof, and a control circuit position, a first soldering position, and a second soldering position, which are each annular and arranged around the connection position in sequence, so that connection terminals are centrally arranged, and the central control circuit has a relatively large space. The annular circuit layout improves the structural coordination with the drive assembly.

An electric motor includes an end turn ring and a cooling structure that is in a thermally conductive relationship with the end turn ring.

A stator for a rotating electrical machine comprises a stator mass comprising notches housing the electrical conductors, wherein at least one portion of the electrical conductors, if not the majority, are in the form of a U-shaped pin, and each electrical conductor comprises first and second legs respectively extending axially in first and second notches, each electrical conductor comprising several strands, the strands of the first leg of an electrical conductor being arranged in the first notch in a radially reverse order of the strands of the second leg of the same electrical conductor in the second notch.

Provided is a busbar arrangement for a wind turbine generator, the wind turbine generator including a stator and a rotor arranged to rotate around an axis. The busbar arrangement includes a plurality of busbars for transporting electric power away from the generator, wherein each busbar is arranged at an individual radial distance from the axis and at an individual axial position along the axis. Furthermore, a wind turbine and a method of manufacturing a busbar arrangement is provided.

A stator for a rotary electric machine includes a stator core, a stator winding, a power bus bar, and a neutral bus bar. The stator core includes slots. The stator winding includes segment conductors inserted in the slots. The stator winding includes a power point and a neutral point. The power bus bar includes a bus bar end portion welded to a joint end portion of the segment conductor constituting the power point. The neutral bus bar includes a bus bar end portion welded to a joint end portion of the segment conductor constituting the neutral point. One or each of the respective bus bar end portions of the power bus bar and the neutral bus bar is located on an inner side of the joint end portion of the segment conductor to which the one or each of the bus bar end portions is welded.

A pre-fitting nest and a method serve for forming a crown from a plurality of U-shaped electrically conductive hairpins to then be able to install the crown in a machine element of an electric machine, e.g., a stator. Here, an accommodating member has a plurality of grooves in which the legs of the hairpins are accommodated. The grooves are annularly disposed about a center and extend perpendicularly to the plane of the accommodating member. With respect to their size and geometry, they are configured such that in each case a first leg of a hairpin rotates within the groove thus to enable an unconstrained positioning of the second leg of the hairpin in another groove. One or several crowns formed from hairpins are provided for introduction into a machine element and inserted into the machine element.

A rotary electric machine includes a rotor, a stator, and stator windings. The stator winding has a plurality of slot conductor groups having a plurality of slot conductors of the same phase. A plurality of slot conductors of the slot conductor group are inserted into a predetermined number (Ns) of slots continuously arranged in a circumferential direction of the stator core such that the slot and the layer are adjacent to each other. The predetermined number (Ns) is set to “Ns=NSPP+1,” where “NSPP” denotes the number of slots per pole per phase.

A connector assembly (12) for electrically and mechanically connecting via bolting, the top and bottom stator coil sections (14, 16) of an electrical generator comprising at least one pair of stator coil sections (14, 16) having spaced apart upper coil headers (18, 20) and lower coil headers (22, 24), each comprising a conductive material to provide at least two parallel paths for passing respective flows of electric current; first and second connectors (26, 28) including respective couplers (36, 38, 40, 42) for connecting the headers (18, 20, 22, 24), wherein the first and second connectors (26, 28) are electrically and mechanically isolated from one another via an air gap (34) therebetween so that none of the couplers (36, 38, 40, 42) bridge the air gap (34) and thereby allow relative movement between the first and second connectors (26, 28).

A rotating electrical machine of the present invention comprises a rotor; a stator disposed facing the rotor with a predetermined gap, and including a stator core and a stator coil; a high voltage bushing that outputs electricity from the stator coil to the outside; an electric power line including at least a connection ring extending in a circumferential direction, and connecting the high voltage bushing and one side of a coil end which is an axial-direction end of the stator coil to form an electrical path; and a dummy ring including a metal as a main material, and disposed in alignment with the connection ring in the circumferential direction and in a same circumference as the connection ring.