矢量控制变频调速系统中电机参数的在线检测

Parameter Testing of Induction Motor in Vector Control Inverter

在矢量控制交流感应电动机数学模型的基础上 ,采用阶跃电压和阶跃电流的方法实现了对交流电机电气参数的静态检测。本方法不需要加入其他附加信号 ,在实际中便于应用。文章给出了数学推导和可行的实现方案 ,采用这种方法 ,可为基于矢量控制的变频调速系统提供准确的电机初始电气参数。

On the basis of mathematical model of AC induction motor in vector control inverter the static measurement of electrical parameters for AC motor is completed using pulse voltage and pulse current. This method is simple, practical and effective without any additional signal required. There are some mathematic formula and practical execution plan present in the article. This method can provide the vector control inverter with precise initial parameters of motors.