The invention discloses a motor controller, an electric driving system and an electric automobile, and relates to the technical field of motor control, the motor controller comprises a control driving board and a three-phase output bus copper bar, the control driving board is provided with a first side and a second side which are oppositely arranged in a first direction, and the three-phase output bus copper bar is arranged on the first side. The second side of the control drive board is provided with a first plane ground which is grounded. One end of the three-phase output bus copper bar is connected with a power module, the other end of the three-phase output bus copper bar is connected with a motor, the three-phase output bus copper bar comprises a first copper bar section which is arranged corresponding to the first plane ground, and the first copper bar section and the first plane ground are arranged in parallel and at an interval; stray capacitance is generated between the first copper bar section and the first plane ground; according to the technical scheme, electromagnetic noise is reduced, the electromagnetic compatibility of the motor controller is improved, and the production cost and the size of the motor controller are reduced.
本发明公开了一种电机控制器、电驱动系统和电动汽车,涉及电机控制技术领域,其中,电机控制器包括控制驱动板、以及三相输出母线铜排,所述控制驱动板具有在第一方向上相对设置的第一侧和第二侧,所述控制驱动板的第二侧设有第一平面地,所述第一平面地接地设置;三相输出母线铜排的一端连接功率模块,另一端连接电机,所述三相输出母线铜排包括与所述第一平面地对应设置的第一铜排段,所述第一铜排段与所述第一平面地平行且间隔设置,以在所述第一铜排段和所述第一平面地之间生成寄生电容;本技术方案,降低电磁噪声,提高电机控制器的电磁兼容性,且降低其生产成本和体积。
Motor controller, electric driving system and electric automobile
电机控制器、电驱动系统和电动汽车
2024-09-13
Patent
Electronic Resource
Chinese
IPC: | H05K PRINTED CIRCUITS , Gedruckte Schaltungen / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / H02P CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS , Steuern oder Regeln von elektrischen Motoren, elektrischen Generatoren, dynamoelektrischen Umformern |
Electric automobile motor controller, motor control method and electric automobile
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