Stator for an electric machine, and electric machine
AssigneeValeo eAutomotive Germany GmbH
InventorBoris Dotz
Life of this patent
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Abstract
Stator for an electric machine has a number N≥3 of phases, a number P≥2 of pole pairs and a hole count q=2, and a stator core, which has two faces and a plurality of slots which are divided into first to L-th layers, where L≥4. The shaped conductors form for each phase first to fourth paths and are arranged in 2·P winding zones, and each winding zone is divided into a first and a second sub-winding zone and each sub-winding zone extends over the L layers. The shaped conductors of a respective path are interconnected by connectors, which connect shaped conductors in adjacent winding zones of the same phase in an alternating manner at the first face and the second face of the stator core, to form a series connection with a first end shaped conductor.
Claims20
Stator for an electric machine, wherein
- the stator has a number N≥3 of phases, a number P≥2 of pole pairs and a hole count q=2, wherein
- the stator comprises a stator core, which has a first face, a second face situated opposite the first face and a plurality of slots which extend from the first face to the second face and are divided into first to L-th layers, where L≥4, and a plurality of shaped conductors which are arranged in the slots in a radially layered manner in the first to L-th layer, wherein the layers are designated in their order in the radial direction, wherein
- the shaped conductors form for each phase a first path, a second path, a third path and a fourth path and are arranged in 2·P winding zones, wherein
- each winding zone is divided into a first and a second sub-winding zone, each sub-winding zone extends over the L layers and the sub-winding zones of a respective winding zone are designated in their order along a first circumferential direction and a second circumferential direction opposite to the first circumferential direction, wherein
- the shaped conductors of a respective path are interconnected by connectors, which connect shaped conductors in adjacent winding zones of the same phase in an alternating manner at the first face and the second face of the stator core, to form a series connection with a first end shaped conductor, which is one of the outer shaped conductors, in terms of the series connection, of the path and with a second end shaped conductor, which is the other of the outer shaped conductors, in terms of the series connection, of the path, wherein
- the end shaped conductors of each path are arranged in different sub-winding zones, so that the path exhibits a change in the sub-winding zones along the series connection.
Dependencies are inferred from the claim text.