With the development of modern science and technology, the types and working conditions of vertical motor shell are becoming more and more diverse. Therefore, different grades of brushes are needed to meet these requirements. Therefore, the types of brushes are increasing with the development of vertical motor shell industry. For the convenience of use and management, many vertical motor shells are classified. The causes of vertical motor shell failure may be as follows:



1. The winding of vertical motor case is affected by damp or the insulation is seriously aged;

2. Poor grounding;

3. Wrong power line and ground wire;

4. The wiring board has serious dirt;

5. Insulation aging and damage of vertical motor shell outgoing line;

6. The top cover of winding end is grounded.



There are several reasons for leakage of vertical motor case

1. The power line and ground wire are wrong;

2. The motor winding is damp and the insulation aging reduces the insulation performance;

3. The outgoing line collides with the junction box;

4. The insulation damage of partial winding causes the conductor to collide with the shell;

5. Loose iron core stabbed the wire;

6. The grounding wire of vertical motor shell fails;

7. The terminal block is damaged or there is too much oil on the surface.



What are the corresponding treatment methods for vertical motor shell?

1. The damp motor shell shall be dried and the aged insulation shall be updated in time.

2. Check the ground wire to find out the cause of the motor shell, and take corresponding measures to correct it.

3. Find out the power line and ground wire and correct the wiring error.

4. Clean the terminal block of vertical motor housing.

5. Wrap or renew the outgoing line with insulating tape.

6. Remove the end cover and find out the grounding point. The coil grounding point should be wrapped, insulated and painted. The inner wall of the end cover must be padded with insulating paper.



So how do we protect the vertical motor shell in use to make it work normally?

1. The normal current of vertical motor shell is used as reference value for protection.

2. The temperature rise of vertical motor case is used to protect the motor.

3. Measure shaft diameter vibration of vertical motor shell for protection.



To sum up, in fact, the protection is based on the change of current when the vertical motor shell is running. The above is to bring you the knowledge of vertical motor shell. Hope to help you.



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