The difference between various types of motors - Ningbo Nide Mechanical Equipment Co., Ltd.

Motor Information

The difference between various types of motors

1, DC, AC motor difference

The DC motor uses DC power as the power source, and the AC motor uses AC power as the power source.

Above the price, the DC motor with the same power is higher than the AC motor, and the speed control device including the control speed is also the price of the DC speed control device higher than the AC speed control device. Of course, the structure and maintenance are also very different.

In terms of performance, because the speed of the DC motor is stable and the speed control is accurate, it is impossible for the AC motor to be hit. Therefore, the DC motor has to be used instead of the AC motor under the strict requirements of the speed.

AC motor speed regulation is relatively complicated, but it is widely used due to the use of AC power in chemical plants.

2, synchronous, asynchronous two types of motor difference

The rotation speed of the rotor is the same as that of the stator. It is called a synchronous motor. If it is inconsistent, it is called an asynchronous motor.

3, ordinary, variable frequency two types of motor difference

Ordinary motors cannot be used as variable frequency motors. Ordinary motors are designed according to constant frequency and constant voltage, and it is impossible to fully adapt to the requirements of frequency converter speed regulation, so it is not possible to use more variable frequency motors.

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