How to measure good or bad brushless motor stator coil? What are the common methods?

Brushless motor internal mainly consists of stator and rotor, stator with coil winding, in order to detect the stator good or bad, you need to confirm whether the stator parameters are normal, so what are the common stator problems? How to detect the stator good or bad?

Brushless motor stator itself quality problems, the factory does not meet the requirements, belongs to the bad products, the subsequent use of the problem.

2. In the use of the stator coil break or short circuit problems.

How to test the brushless motor stator good or bad?

A. Brushless motor stator measuring instrument

For large factories or some laboratories, you can take this method, because it is a precision stator testing instrument, so the accuracy is relatively high, can be used for the test of large quantities of stator products, different stator, only need to modify the parameters can be customized according to the stator situation of different measuring equipment, the display directly shows the problem of failure, sound and light alarm, image humane, accurate and efficient.

Second, multimeter measurement

Multimeter is widely used, not only can measure voltage and current, resistance, etc., but also can be used for simple stator measurement, suitable for home or maintenance use.

1, measuring whether the stator is disconnected, using the multimeter resistance gear, measuring the resistance value at both ends of the stator winding, if the conductor is normal stator, if not, it means that the stator winding is disconnected.

2, measuring whether the stator winding lap iron, using the multimeter resistance gear to measure the resistance value between the stator winding line end and the core, normal should not pass, if the conductor or resistance value less than 50MΩ indicates that the stator winding lap iron or poor insulation.

Speaking of which, stator problems, generally mainly coil winding problems, so for brushless motors, the stator winding is particularly critical, motor manufacturers use more winding machine equipment to wind, relatively speaking, better production efficiency and quality, consistent performance, coupled with professional testing equipment to ensure that the stator parameters are normal, no leakage, no short circuit, etc., so as to ensure that brushless motors run more smoothly.

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