Electric Motor and Generators

Electric motors and generators need to be in operation at all times, because they usually perform a critical function, especially in Industrial Areas. They are normally robust equipment and trouble-free to operate, so that when one fails, source of the problem might not be obvious.

Fault-handling strategies for electric motors
Faults in electric motors & generators can be caused by a variety of factors. These include current overload, low resistance, overheating of the motor, dirt or moisture in the motor and vibration. Familiarity with some basic methods and techniques and having a few test instruments handy helps detect and diagnose problems with ease.

Which parameters should be monitored?
Tests recommended for electric motors include low resistance, contact resistance, DC Insulation Resistance (IR), Polarization Index(PI), Dielectric Discharge (DD), Step Voltage(SV) and capacitance etc. for the body and coils.

Motwane offers a comprehensive range of test equipment for electric motors, which can be seen here.

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