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These Fault Zones are Power Quality, Power Circuit, Stator, Insulation, Rotor, and Air Gap.
Power Quality:
Quality of the voltage and current
Stator:
Turn-to-turn insulation and internal coil connections
Air Gap:
Quality of the air gap between the rotor and the stator
Insulation:
Winding to ground insulation
Rotor:
Health of the rotor cage and laminations
Power Circuit:
Circuit supplying power to the motor
This insightful white paper by PdMA’s David L. McKinnon will provide a brief introduction to a Six Fault Zone approach for predictive maintenance on motors.
