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                                      22 reasons for motor heating

                                      2021-06-19 08:40:58 209

                                      What are the reasons for Motor Heating?

                                      FSTpipe

                                      1. The room temperature is too high

                                      2. Poor heat dissipation

                                      3. overload

                                      4. Overvoltage, undervoltage or unbalanced voltage

                                      5. Frequent start and stop or frequent reversal

                                      6. Lack of phase

                                      7. The fan is broken or the air inlet and outlet are blocked

                                      8. Bearing lack of oil

                                      9. Mechanical jam

                                      10. The load moment of inertia is too large, the starting time is too long

                                      11. Short circuit between turns

                                      12. The internal wiring of the new motor is incorrect

                                      13. Wrong star-delta wiring

                                      14. Star-delta or self-dual step-down start-up load restart time is long or abnormal conversion due to fault

                                      15. Motor is damp

                                      16. Broken bar of squirrel cage asynchronous motor rotor

                                      17. The rotor winding of the wound asynchronous motor is broken or the resistance is unbalanced

                                      18. Rotor sweep

                                      19. Power harmonics are too large, such as large rectifier equipment, high frequency equipment, etc. nearby

                                      20. The magnetic flux of the motor core after repeated maintenance is reduced

                                      21. Some motors have poor winding technology

                                      22. The high temperature of the motor is generally unlikely to be a bearing problem, unless the bearing temperature is too high


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