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How to deal with the overheat or smoking fault of Shanghai motor

systemdate:2021/1/8 10:30:21 from:Shanghai Zuoli
Shanghai motor overheat or smoke fault treatment method:

1. If the voltage of power supply system exceeds the standard, the power supply department should be contacted to solve the problem.

2. Under rated load, the power supply voltage of Shanghai motor is too low and the temperature rise is too high: if the voltage of the power line drops too much, the thicker power line can be replaced; if the power supply voltage is too low, the power supply department can be contacted to increase the power supply voltage.

3. When the wire is burned, the iron core is burned, which increases the iron consumption: check the iron core, repair the iron core, and eliminate the fault.

4. Stator and rotor core friction: check the failure reason when the bearing clearance exceeds the limit, and replace the new bearing. If the shaft is bent, it needs to be investigated and treated. When the core is loose or deformed, it should be treated to eliminate the fault.

5. The winding surface is covered with dust or foreign matter, which affects the heat dissipation of Shanghai motor: clean or clean Shanghai motor to ensure smooth ventilation.

6. Shanghai motor is overloaded or the mechanical resistance of driving production is too large, which makes Shanghai motor hot: eliminate the mechanical fault of driving, reduce the resistance, according to the current indication, when the rated current exceeds, the load must be reduced, the large capacity motor must be replaced or the capacity enhancement measures must be taken.

7. Shanghai electric motor starts frequently or turns too many times: reduce the starting and reversing times of Shanghai electric motor, or replace the appropriate motor.

8. When the cage rotor is broken or the rotor winding is loose, the rotor of Shanghai motor is heated under the rated load to make the temperature too high: find out the broken bar and loose place, and re weld or tighten the fixing screw.

9. Winding inter turn short circuit and winding grounding: calculated according to No. 1 in this table.

10. Inlet air temperature is too high: check whether the cooling system device is faulty, and check whether the ambient temperature is normal.

11. Fan failure, poor ventilation: check whether the fan of Shanghai motor is damaged, whether the fan blade is deformed, and replace the fan if necessary.

12. Shanghai motor two-phase operation: check fuse, switch contact point, troubleshooting.

13. Poor Impregnation after rewinding: secondary impregnation process and vacuum impregnation measures shall be adopted.

14. High temperature or blockage of ventilation channel of Shanghai motor: improve the ambient temperature, take cooling measures, isolate high temperature heat source near Shanghai motor, and avoid engine exposure to sunlight.

15. Winding connection error: Y connection motor is wrongly connected to △ connection, or △ connection motor is wrongly connected to Y connection to correct wiring.


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