Motor Fault Analysis -1)

一、How to identify motor coil fault ：

When the motor coil burns out,  it means that the insulation of the motor coil is damaged, this will cause short-circuit tripping after the coil is energized.

1. Motor coil insulation damage include:

1. Short circuit between coil turns
2. Motor phase burnout
3. Motor overload burned out
4. The motor is damp and the insulation value is destroyed