What should I do if the DC brushless motor is running too hot? What are the solutions

DC brushless motor motor operation heat, is a relatively normal situation, but if the phenomenon of overheating for a long time, it is possible that the motor out of what the problem, need to be taken seriously, carefully find the cause, analyze the problem and seek a suitable solution, so how to exclude it specifically?

1. The power supply voltage is high or low, the voltage is too high to make the flux density saturation, the current increases, resulting in heating, should install a suitable power regulator; voltage is too low, DC motor operation is unstable, resulting in heating, should improve the power supply voltage to the appropriate.

2. Stator iron core problems, resulting in iron loss heating, should check whether the core problems, troubleshooting.

3. Stator-rotor core friction increases, making the operation overheating, should promptly check the bearing, if necessary, replace the bearing parts.

4. Motor running overload, resulting in increased current, running hot, should replace the high-capacity motor.

5. DC brushless motor frequently start, resulting in the motor running rate is not normal, the transient current increases, heat, the need to replace the motor.

6. There is dirt and filth on the surface of the winding, resulting in poor heat dissipation of the motor, heat, should clean the surface of the motor, pay attention to good ventilation measures.

The above is the DC brushless motor operation overheating phenomenon, when we find the motor temperature abnormal, should immediately stop running the motor, timely identify the problem, and in accordance with the solution specifications to solve.

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