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High efficiency and power selection of Permanent magnet DC motor for switch cabinet

Mar 26, 2019

The Permanent magnet DC motor for switch cabinet is more suitable for the ferrite permanent magnet DC motor with high efficiency, low price and low temperature rise. Only when the performance requirements are strict, the volume is small, and the ambient temperature is high, the AlNiCo permanent magnet DC motor or the rare earth permanent magnet DC motor is considered.

 

The maximum power output of the permanent magnet DC motor of the switchgear is limited. If the power selection of the motor is too small, the motor overload will occur if the load exceeds the rated output power of the motor. When the overload occurs, the motor will heat up. , vibration, speed drop, abnormal sound, etc., severely overloaded, will burn the motor. If the power is too large, it will cause economic waste. Therefore, it is important to choose the power of the motor reasonably.

 

The permanent magnet DC motor for switchgear can be considered when selecting the product specification: when the power supply voltage is adjustable, the torque, the speed and the corresponding rating of the product can be selected according to the actual needs, and the required speed can be obtained by changing the voltage. In the case where the power supply voltage is fixed, if there is no product with the appropriate specifications available, the appropriate specifications can be selected according to the torque, and the voltage and speed of the product can be adjusted appropriately.

 

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