The brushless direct-current motor with Y-connecting stator windings can control the order of commutation and time of a three-phase inverter by detecting the zero crossing point of inductive back voltage. 定子绕组星形连接的无刷直流电机可以通过对感应反电势过零点的检测,正确控制三相逆变器的换相顺序和时间;
Rebuilding of Direct-current Motor Control System in GD Packing Machine GD包装机直流电机控制系统的改造