A brief introduction about permanent magnet motors, which generate torque through the interaction of stator current with permanent magnets on or in the rotor.
Permanent magnet generators are devices that convert mechanical movements to electricity using their own magnetic fields. It’s a type of electric motor that uses permanent magnets rather than windings on its field. These devices are commonly used in wind turbines, steam turbines, gas turbines, and engines to create electrical power.
For permanent magnet motors, the iron core is a very important part of the motor. For the selection of iron core materials, it is necessary to fully consider whether the magnetic permeability can meet the working needs of permanent magnet motors.
The encoder is a rotary sensor that converts the position and displacement of the rotating part into a series of digital pulse signals.
The cooling method of the motor is usually selected according to its power, operating environment and design requirements.
In the production process of screw compressors used in the petrochemical industry, there will be various failures and problems of different degrees. We need to improve our understanding of the principles and performance of screw compressors and improve our operating rules of screw compressors. In terms of application, operators can diagnose and analyze compressor failures in a timely manner, so as to continuously accumulate experience and improve the technical level.
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