基于光电编码器的双馈调速系统中数字信号的检测

Detection of Digital Signal in Doubly-fed Speed Regulation System Based on Encoder

光电编码器是电气传动系统中用来测量电动机转速和转子位置的核心部件。本文介绍了其工作原理和主要特点,并给出了电机双馈调速系统中基于增量式光电编码器的电机转速、转子位置及转子感应电势相位的检测方法。

Optical-encoder is the core device in measurement of motor speed and rotor position in drive system,its operation principle and main characteristics were introduced and detection methods of the motor speed,position of rotor and phase of rotor induction electromotive force in doubly-fed motor speed regulation system based on incremental encoder were provided in this paper.