What is the reason for demagnetization of permanent magnet direct drive motor?

The magnetic loss of permanent magnets is mainly caused by material, mechanical, chemical, and electromagnetic properties.

Line start permanent magnet motor principle

The self-starting permanent magnet motor uses permanent magnet excitation.

How to quickly diagnose motor faults?

If you are unsure about the evaluation and judgment of the motor, it is recommended to consult professional motor maintenance personnel or engineers for advice.