公开(公告)号：US08766574B2

公开(公告)日：2014-07-01

申请号：US13669834

申请日：2012-11-06

Applicant: Brose Fahrzeugteile GmbH & Co. Kommanditgesellschaft, Hallstadt

Inventor： Thomas Dorner ,  Juergen Groth ,  Heiko Engelhardt

IPC: H02P23/12

CPC classification number: H02P6/085 ,  H02P6/15

Abstract: A method and a control device operate a three-phase brushless direct current motor with phase windings that are fed by an inverter connected to a voltage source having a high potential and a low potential. The semiconductor switches of the inverter are arranged in a bridge circuit and are controlled such that current always flows through two phase windings during motor operation. The motor is operated with normal commutation when the rotational speed is greater than or equal to a minimum rotational speed, wherein the angles are shifted by 60°. During start-up operation, up to the minimum rotational speed, a high-potential-side commutation angle of a phase winding is shifted toward a low-potential-side commutation angle of the phase winding by an angle greater than 0° and less than or equal to 60° with respect to the normal commutation.

Abstract translation: 一种方法和控制装置操作具有相位绕组的三相无刷直流电动机，所述相绕组由连接到具有高电位和低电位的电压源的逆变器馈送。 逆变器的半导体开关布置在桥式电路中，并且被控制为使得电动机在电机运行期间总是流过两相绕组。 当转速大于或等于最小转速时，电机以正常换向运转，其中角度偏移60°。 在启动操作期间，直到最小旋转速度，相绕组的高电位侧换向角朝向相绕组的低电位侧换向角移动大于0°并小于 或相对于正常换向等于60°。