What is the cause of high temperature of brushless motor? What is a good solution?

Generally speaking, brushless motor in the process of operation, under normal circumstances, the temperature is not too high, but when the temperature is too high when not normal, we should pay attention to whether the motor has problems, then the brushless motor temperature is too high what is the cause? Vacuz give you an introduction! I hope it can help everyone!

1, the power supply voltage is high, more than 10% of the rated voltage of the motor, causing the motor iron loss heating.

2, the power supply voltage is too low, less than 5% of the rated voltage of the motor and brushless motor, will generate heat when running under rated load. The solution is to adjust the level of the transformer tap changer to adjust the power supply voltage to the normal range.

3, three-phase power supply voltage imbalance, phase voltage imbalance of more than 5%, resulting in three-phase current imbalance, causing the motor to heat up.

4, brushless motor open circuit operation.

5, the load is heavy, should reduce the load or replace the motor with a suitable capacity.

6, brushless motor start too often.

7、Common failure of mechanical load.

The above are the common causes of high temperature brushless motor, we know the reasons for high temperature, need to find the appropriate solution in time to avoid continuous high temperature of the motor, resulting in damage to the brushless motor, which is not worth the loss.

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