IC693MDL260输出模块

IC693MDL260输出模块

交流伺服电动机在没有控制电压时，定子内只有励磁绕组产生的脉动磁场，转子静止不动。当有控制电压时，定子内便产生一个旋转磁场，转子沿旋转磁场的方向旋转，在负载恒定的情况下，电动机的转速随控制电压的大小而变化，当控制电压的相位相反时，伺服电动机将反转。

交流伺服电动机的工作原理与分相式单相异步电动机虽然相似，但前者的转子电阻比后者大得多，所以伺服电动机与单机异步电动机相比

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