The gearless permanent magnet motor drive system of variable frequency speed regulation can give full play to its advantages when applied to the belt transportation system in the coal mine.
The extruder workshop must be equipped with lifting equipment to assemble and disassemble heavy parts such as head and screw to ensure safe production.
When the demand is small, the permanent magnet air compressor can reduce its operating power by adjusting the motor speed, so as to meet the user's energy-saving needs.
Water-cooled permanent magnet motor is low speed, high torque, and strong overload performance, which can compensate for the gear gap of the gearbox and make the extrusion effect smoother.
For the drive control system of a permanent magnet motor in a high-temperature environment, it is necessary to establish a motor-converter integrated model based on the physical field calculation, closely combine the characteristics of materials and devices, and conduct field-circuit coupling analysis to fully consider the environmental impact on the motor. The influence of system characteristics and the full use of modern control technology and intelligent control technology can improve the comprehensive control quality of the motor.
To improve the efficiency of the motor, the essence is to reduce the loss of the motor. The loss of the motor is divided into mechanical loss and electromagnetic loss.
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