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Effects of Eccentricities on Shaft Signals Studied Through Windingless Rotors
Shaft signals of electric rotating machines offer potentials for defect detection. The signals are affected by many factors. This study specifically focuses on how eccentricities affect shaft signals through theoretical ...
High Magnetic Field Generation Using Single Turn Coils
This study presents a new observation that links shaft signals to cracked rotor bars. Theoretical foundation for this observation is derived. Experimental results clearly confirm the theory that under loaded conditions, ...
Shaft Signals of salient-Pole Synchronous Machines for Eccentricity and Shorted Field Coil Detections
Relationships between shaft signal and eccentricities of salient-pole synchronous machine are Studied. The magnitude and the thickness of shaft-signal loci Reflect steady and dynamic eccentricities. Harmonic components of ...