摘要
文章对利用反电势三次谐波检测无刷直流电机转子位置的方法进行了介绍,此方法比传统的直接利用反电势的方法实现简单,检测速度范围更宽,而且不需要移相和深度滤波。并且文中还述及了获取三次谐波的两种方法:一种依靠电机中性线,一种不需要电机中性线。
A method for detecting rotor position of brushless DC motor based on counter emf third harmonic is introduced in this paper. This method is more easier than that employing counter emf. It has wide speed detection range and neednt phase shifting and depth filtering. The two methods for obtaining the third harmonic are also described, i.e. one relies on the neutral line of electric machine, and the other not.
出处
《防爆电机》
2006年第1期1-3,共3页
Explosion-proof Electric Machine
关键词
无刷直流电动机
三次谐波
转子位置检测
Brushless DC motor, third harmonic, detecting of rotor position.
