A new energy automobile motor system comprises a permanent magnet synchronous motor serving as an automobile power source and provided with a three-phase winding; the driving circuit is used for supplying power to the three-phase winding and comprises a single linked switch, and the linked switch is configured to realize star connection and delta connection of the three-phase winding; and the controller is configured to control the linked switch based on the comparison of the rotating speed of the motor and a winding connection switching point, so that the three-phase winding can be automatically switched between a star-shaped wiring state and a triangular wiring state through the switching action of the linked switch.
一种新能源汽车电机系统,包括:作为汽车动力源的永磁同步电机,其具有三相绕组;驱动电路,其用于向所述三相绕组供电并且包含单一的联动开关,所述联动开关配置成实现所述三相绕组的星形接线和三角接线;控制器,其配置成基于电机转速与绕组接法切换点的比较而控制所述联动开关,以通过所述联动开关的开关动作实现所述三相绕组在星形接线状态与三角接线状态之间自动切换。
New energy automobile motor system
新能源汽车电机系统
2022-07-19
Patent
Electronic Resource
Chinese
IPC: | H02P CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS , Steuern oder Regeln von elektrischen Motoren, elektrischen Generatoren, dynamoelektrischen Umformern / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen |
European Patent Office | 2023
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