Statoranordnung, Elektromotor und Fahrzeug

Details

Veröffentlichungs-Nr.

EP4773478

Anmeldetag

14. Juni 2024

Veröffentlichung

6. März 2025

Rechtsraum

EP

IPC

H02K3/28, H02K3/12, H02K1/16

Abstract

The present invention provides a stator assembly, an electric motor and a vehicle, and relates to the technical field of vehicles. The stator assembly includes a stator core and polyphase windings that surround the stator core, the stator core is provided with multiple stator slots along a circumferential direction thereof, each stator slot has M slot layers arranged in a radial direction of the stator core, windings of each phase include N branches connected in parallel, and each branch includes a first coil section and a second coil section which are connected; each of the first coil section and the second coil section includes Q winding portions and Q connecting sections, the Q winding portions are arranged in the circumferential direction of the stator core, each connecting section connects two adjacent winding portions, such that the winding portions and the connecting section form multiple variable-pitch units in corresponding slot layers; the slot layers corresponding to the two adjacent winding portions are one of the same layer, adjacent layers, or separated layers. Sizes of end portions of windings of the stator core are reduced, welding spots are avoided, a structure and size are compact, electric potentials of branches are balanced with no circulating current.

Anmelder

Firmen

ZHEJIANG ZEEKR INTELLIGENT TECHNOLOGY CO., LTD.
VIRIDI E-MOBILITY TECHNOLOGY (NINGBO) CO., LTD.
Zhejiang Geely Holding Group Co., Ltd.

Land

🇨🇳 China