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How to quickly detect the quality of the three phase motor

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There are two main parameters to judge the quality of a motor.

On the one hand, it measures the resistance of the motor coil,

and on the other hand, it measures the insulation resistance of the coil and the shell.

The fault of the electric motor is nothing more than two major parts: mechanical and electrical.

Mechanically :

1. Whether the bearing is short of oil or damaged.

2. Whether the end cover is “running out of the outer sleeve” and whether the bearing is “running out of the inner sleeve”.

Electrical:

1. Whether the insulation resistance is qualified.

2. Whether the three-phase DC resistance is qualified or not, use a double-arm bridge to measure it.

3. Whether the rotor is broken or not, the DC resistance of the motor is an important basis for judging the motor.

Three Phase Asynchronous Electric Motor

Squirrel-cage motor

Electric Motor Manufacturer--Qijun Motor

Founded in 2017, Shandong Qijun Mechanical and Electrical Equipment Manufacturing Co.,Ltd.(QIJUN MOTOR) is a professional company which is specialized in Three Phase Asynchronous Motor, Explosion-proof AC Motor, Single Phase Electric Motor, Brake Motor, Shaded Pole Motors, Gear Motor etc., It has employees more than 150 including 30 senior engineers,20 R & D technicians, more than 50 professional technicians. Plant covers an area of 20 acres. We have strong technology research and development team, Advanced automatic CNC production equipment ,the international first-class type testing center. All products according to the international IEC Standard production to meet the needs of foreign customers.

 

 

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