我们采用具有矢量控制功能的LG变频器，可使电机在低速时也能提供满足负载需要的转矩。
We adopt vector control function with LG inverter, can make the motor in the low speed can also provide meet the need of the load torque.
电能供给电动机绕组和磁场，产生电磁感应作用，试电动机产生机械能或者转矩。
Motors have electrical energy supplied to their windings and a magnetic field that develops an electromagnetic interaction to produce mechanical energy or torque.
控制电动机的转矩和转速，将电能转换成机械能，实现机械的旋转运动或反复运动。
By control the electric motor's torque and rotational speed, electric energy will be changed into mechanical energy, then mechanical rotary motion and repeated movement are realized.
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