The existence of large inter-bar currents in three phase squirrel cage motors with rotor-bar and/or end-ring faults

IEEE Transactions on Power Apparatus and Systems

Volumn PAS-103, Issue 7, 1984, Pages 1854-1862

  Landy, C F ^b  

^a Metallurgical Testing and Consulting (MTC) Cc   (South Africa)

^b UNIVERSITY OF THE WITWATERSRAND   (South Africa)

Author keywords

[No Author keywords available]

Indexed keywords

ELECTRIC MEASUREMENTS - CURRENT DISTRIBUTION; VIBRATIONS - MEASUREMENTS;

AXIAL VIBRATIONS; INTERBAR CURRENTS; ROTOR-CAGE BARS; SQUIRREL CAGE END-RINGS;

ELECTRIC MOTORS, INDUCTION;

EID: 0021458364     PISSN: 00189510     EISSN: None     Source Type: Journal    
DOI: 10.1109/TPAS.1984.318634     Document Type: Article

References (12)

1. WEICHEL, H: ‘Squirrel-cage rotors with split resistance rings’. Journal AIEE, 1928, 47, pp. 606–610.
2. MISHKIN, E: ‘Disturbances in the induction machine due to broken squirrel-cage rings’, J Franklin Inst., 1955, 259, pp. 133–143.
3. VAS, P: ‘Performance of three-phase squirrel-cage induction motors with rotor assymmetries’, Periodic Polytech, Electr. Eng. 1975, 19, pp. 309–315.
4. WILLIAMSON, S and SMITH, A C: ‘Steady-state analysis of 3-phase cage motors with rotor-bar and end-ring faults’, Proc. IEE, 129, 1982, pp. 93–100.
5. ITO, M, FUJIMOTO, N, OKUDA, H, TAKAHASHI, N and WATAHIKI, S: ‘Effect of broken bars on unbalanced Magnetic pull and torque of induction motors’, Electr. Eng. in Japan, 100, 1980, pp. 42–49.
6. CHRISTOFIDES, N: ‘Origins of load losses in induction motors with cast aluminium rotors’, Proc. IEE, 112 1965, pp. 2317–2331.
7. LANDY, C F: ‘Analysis of rotor-bar currents as a means of evaluating torque produced in a squirrel-cage induction motor’, Proc. IEE, 1977, 124(II), p. 1078.
8. ELLISON, D H, EXON, J L T, and WARD, D A: ‘Protection of slip-rings in induction motors’, North Eastern Region, SSD of the GEGB, IEEE, 1980, p. 49.
9. STOLL, R L: ‘Method of measuring alternating currents without disturbing the conducting circuit’, Proc. IEE, 1975, 122, (10) p. 1066.
10. WEPPLER, R: ‘Influence of inter-bar rotor currents on the performance of single-phase and polyphase induction motors’, Siemens Forsch., Bd. 4, 1975, No. 2, p. 84.
11. CORMACK, W: ‘The measurement of torque slip curves of induction motors’. Trans. S. African Inst. Electr. Eng., 1955, 46, pp. 127–142.
12. LANDY, C F: ‘An investigation of an induction motor with a view to leakage effects and developed torque’, PhD thesis, university of the Witwatersrand, 1978.