Motor small Encyclopedia: the motor before the inspection method

SHANGHAI WANNAN ELECTRIC MOTOR CO.,LTD|2016-03-22 15:02|5634 view

What are the methods before the start of the motor, let us look at the following ways:

1, long-term disable or new motor, before use should check the resistance between the winding and winding to ground insulation. Usually on the following 500V motor with 500V insulation resistance table; 500-1000V of the motor with 1000V insulation resistance table; 1000V above the 2500V insulation resistance meter. The insulation resistance is not less than 1M, and should be measured in the motor cooling condition.

2, check the motor's outer second with no crack, and the fastening screws and parts are complete, the motor is a good fixed condition.

3, check whether the motor rotation mechanism can be.

4, according to the nameplate data shown for comparison is consistent with the power supply and load.

5, check the motor ventilation and bearing lubrication condition is normal.

6, check whether the motor shaft, the rotor can rotate freely rotate when there is no noise.

7, check the brush assembly of the motor and the brush structure is flexible, whether the position of the brush handle is correct.

8, check the motor grounding device is reliable.


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