MC-41110400 伺服驱动器 SCHNEIDER

MC-41110400 伺服驱动器 SCHNEIDER

伺服驱动器主要有伺服控制单元、功率驱动单元、通讯接口单元组成。 其中伺服控制单元包括位置控制器、速度控制器、转矩和电流控制器等。 伺服驱动器大体可以划分为功能比较独立的功率板和控制板两个模块。 功率板是强电部分，其中包括两个单元，一是功率驱动单元IPM用于电机的驱动，二是开关电源单元为整个系统提供数字和模拟电源。

交流伺服电机内部的转子是永磁铁，驱动器控制的U/V/W三相电形成电磁场，转子在此磁场的作用下转动，同时电机自带的编码器反馈信号给驱动器，驱动器根据反馈值与目标值进行比较，调整转子转动的角度。

交流伺服电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。 

MC-41110400 伺服驱动器 SCHNEIDER

The servo driver is composed of servo control unit, power drive unit and communication interface unit. The servo control unit includes position controller, speed controller, torque controller and current controller. The servo driver can be divided into two modules, the power board and the control board, which are relatively independent in function. The power board is the strong current part, which includes two units, one is the power drive unit IPM used to drive the motor, and the other is the switching power supply unit to provide digital and analog power for the entire system.

The rotor inside the AC servo motor is a permanent magnet, and the U/V/W three-phase electricity controlled by the driver forms an electromagnetic field, and the rotor rotates under the action of this magnetic field, while the encoder of the motor comes with a feedback signal to the driver, and the driver adjusts the rotor rotation Angle according to the feedback value and the target value.

When the AC servo motor has no control voltage, only the pulsating magnetic field generated by the excitation winding is in the stator, and the rotor is stationary. When there is a control voltage, a rotating magnetic field is generated in the stator, the rotor rotates in the direction of the rotating magnetic field, in the case of constant load, the speed of the motor changes with the size of the control voltage, when the phase of the control voltage is opposite, the servo motor will reverse.

MC-41110400 伺服驱动器 SCHNEIDER

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