Reducers Knowledge

The basic content required for motor selection includes: the type of load to be driven, rated power, rated voltage, and rated speed. 1. Type of load driven Motors can be simply divided into DC motors and AC motors, and AC is further divided into synchronous motors and asynchronous motors. The principle of selecting a motor is that on the premise that the performance of the motor meets the requirements of the production machinery, the motor with simple structure, low price, reliable operation and convenient maintenance is preferred. In this respect, AC motors are superior to DC motors, AC asynchronous motors are superior to AC synchronous motors, and squirrel cage asynchronous motors are superior to winding asynchronous motors. For production machinery with stable load and no special requirements for starting and braking, ordinary squirrel cage asynchronous motors should be preferred, which are widely used in machinery, water pumps, fans, etc. Starting and braking are more frequent, and...

Induction motor is also called ""asynchronous motor "", that is, the rotor is placed in a rotating magnetic field, under the action of the rotating magnetic field, a rotating torque is obtained, so the rotor rotates. The rotor is a rotatable conductor, usually in the shape of a squirrel cage. The stator is the non-rotating part of the motor, and its main task is to generate a rotating magnetic field. The rotating magnetic field is not realized by mechanical methods. Instead, alternating current is passed through several pairs of electromagnets to cyclically change the magnetic pole properties, so it is equivalent to a rotating magnetic field. This kind of motor does not have brushes or slip rings like DC motors. There are single-phase motors and three-phase motors depending on the type of AC used. Single-phase motors are used in washing machines, electric fans, etc.; three-phase motors are used as power for factories equipment. Working principle Through the relative...