Shaft current in ac induction machine - An online monitoring system and prediction rules

IEEE Transactions on Industry Applications

Volumn 37, Issue 4, 2001, Pages 1189-1196

  Ong, Raymond ^a,b   Dymond, J H ^a,b   Findlay, Raymond D ^a,c   Szabados, Barna ^a,c  

^a IEEE   (Canada)

^b General Electric Company Canada   (Canada)

^c MCMASTER UNIVERSITY   (Canada)

Author keywords

Induction machine; Online fault detection system; Rogowski transducer; Shaft current; Shaft voltage

Indexed keywords

SHAFT CURRENTS;

BEARINGS (MACHINE PARTS); ELECTRIC FAULT CURRENTS; ROTORS; SHAFTS (MACHINE COMPONENTS); TRANSDUCERS;

INDUCTION MOTORS;

EID: 0035388506     PISSN: 00939994     EISSN: None     Source Type: Journal    
DOI: 10.1109/28.936413     Document Type: Article

References (11)

1. Cause and analysis of stator and rotor failures in three-phase squirrel-cage induction motors
2. Shaft current phenomenon: Experimental testing and analysis of a large induction machine
3. Shaft currents in electric machines
4. Vibration and current monitoring for detecting airgap eccentricity in large induction motors
5. Detection of rotor slot and other eccentricity related harmonics in a three phase induction motor with different rotor cages
6. Noninvasive detection of broken bars in operating induction motors
7. Analysis of air gap flux, current, vibration signals as a function of the combination of static and dynamic eccentricity in 3-phase induction motors
8. Bearing oil ring performance
9. Self-contained bearing lubrication: Rings, disks and wicks
10. A comparison of techniques for measurement of shaft currents in rotating machines