The motor has a fast response and large starting torque. It can provide rated torque from zero speed to rated speed. However, the advantages of DC geared motors are also its disadvantages, because the armature magnetic field and rotor magnetic field must be kept constant at 90, so that the motor can operate at the rated load. To produce constant torque, this requires carbon brushes and rectifiers.When the motor rotates, the carbon brushes and commutator will generate sparks and carbon powder, which will not only damage the components, but also restrict the use of occasions.AC motors do not have carbon brushes and commutators, so they are maintenance-free, durable, and versatile.However, to achieve the performance equivalent to the DC geared motor requires complex control technology. Today, with the rapid development of semiconductors, the switching frequency of power components is much faster, which improves the performance of the drive motor and the microprocessor is getting faster and faster. The AC motor control can be placed in a rotating two-axis orthogonal coordinate system, and the current components of the AC motor in the two axes can be appropriately controlled.
These are the main content of the DC geared motor's starting torque requirements. If you have any questions, please leave a message to the editor or contact the company.
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