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Fault Zone: Stator
 
To view a short Stator Fault Zone presentation, click on the button. Stator Fault Zone

The Stator fault zone is often considered one of the most controversial fault zones due to the significant challenge of early fault detection and the prevention of motor failure surrounding the stator windings. Stator windings are the heart of the motor, producing the rotating magnetic field, induction current, and torque to turn the rotor and shaft. This challenge is further intensified in higher voltage machines, where the fault-to-failure time frame becomes much shorter. The stator fault zone is identified as the health and quality of the insulation between the turns, coils, and phases within the slots and end turns of the electric motor.

Turn-to-turn or phase-to-phase shorts can be catastrophic to the motor and are not necessarily detected by the standard megohmeter. Excessive inductive imbalance, resistive imbalance, vibration, partial discharge, or poor insulation quality can lead to stator failure and should be monitored regularly to prevent a shortened life of the electric motor stator. Stator analysis using EMAX technology is performed by evaluating the phase relationship of voltage and current for each of the three phases of an AC induction motor.

Fault Zone: Stator - Screen Captures
 
MCEMAX™ Fault Zone Analysis Success Stories Specifications
 

Inductive Imbalance in a Wound Rotor Motor
October 2, 2017
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Why MCEMAX®?

Fault Zones
Power Circuit Fault Zone
Power Quality Fault Zone
Rotor Fault Zone
Stator Fault Zone
Air Gap Fault Zone
Insulation Fault Zone

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