Field assessment of induction motor efficiency through air-gap torque

IEEE Transactions on Energy Conversion

Volumn 11, Issue 3, 1996, Pages 489-494

  Hsu, John S ^a   Sorenson, Patrick L ^a  

^a OAK RIDGE NATIONAL LABORATORY   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

EFFICIENCY; ELECTRIC CURRENTS; ELECTRIC SPARK GAPS; ELECTROMAGNETIC FIELDS; EQUIVALENT CIRCUITS; TESTING; TORQUE;

AIR GAP FLUX; AIR GAP TORQUE EQUATION; AIR GAP TORQUE METHOD; EFFICIENCY ASSESSMENT; INDUCTION MOTOR EFFICIENCY TEST; LOAD CHANGES;

INDUCTION MOTORS;

EID: 0030246436     PISSN: 08858969     EISSN: None     Source Type: Journal    
DOI: 10.1109/60.536998     Document Type: Article

References (12)

1. Hsu (Htsui), John S., Scoggins, Brian P., "Field Test of Motor Efficiency and Load Changes through Air-Gap Torque," IEEE Transactions on Energy Conversion., September 1995, Vol. 10, No. 3, ITCNE4 (ISSN 0885-8969), pp. 471-77.
2. IEEE Standard Test Procedure for Polyphase Induction Motors and Generators, IEEE Std 112-1991, IEEE Power Engineering Society, New York, NY.
3. R. L. Nailen, "Can Field Tests Prove Motor Efficiency?' IEEE Conference Record of Industrial and Commercial Power Systems Technical Conference, 1988 May 2-5, Baltmore, MD, pp.110-116.
4. NEMA MG-1, Part 12, Page 13, NEMA, Washington DC, 1993.
5. Jing-Tak Kao, ANALYSES OF TRANSIENTS AND OPERATIONS OF ALTERNATING-CURRENT MACHINES, Second Edition, Science Press, Beijing, China, Sept. 1964.
6. J.O. Ojo, V. Ostovic, T.A. Lipo, and J.C. White, "Measurement and Computation of Starting Torque Pulsations of Salient Pole Synchronous Motors," IEEE/PES 1989 Summer Meeting, Long Beach, California, July 9-14, 1989. Paper No. 89 SM 756-8 EC
7. Hsu, John S., "Monitoring of Defects in Induction Motors through Air-Gap Torque Observation," IEEE Transactions on Industry Applications, September 1995, Vol. 31, No. 5, ITIACR, (ISSN 0093-9994), pp. 1016-21.
8. J.S. Hsu (Htsui), A.M.A. Amin, "Torque Calculations of Current-Source Induction Machines Using the 1-2-0 Coordinate System," IEEE Transactions on Industrial Electronics, vol. 37, no. 1, February, 1990, pp. 34-40.
9. J.S. Hsu, H.H. Woodson, and W.F. Weldon, "Possible Errors in Measurement of Air-Gap Torque Pulsations of Induction Motors," IEEE Transactions on Energy Conversion , (Paper No. 91 SM 390-5 EC)
10. J. C., Hirzel, "Efficiency Measurement and Evaluation of Existing Motors," Record of Conference Papers, 30th Annual Petroleum and Chemical Industry Conference, pp.227-30, IEEE New York, N. Y.
11. Robert E. Oesterlei, " Motor Efficiency Test Methods-Apple and Oranges?" Power Transmission Design, 22 (5); pp. 41-43, May 1980
12. Hsu (Htsui), John S., Otaduy, Pedro J., Kueck, John D., "Efficiency and Reliability Assessments of Retrofitted High-Efficiency Motors," Conference Record of 1995 IEEE 30th IAS Annual Meeting, October 1995, Orlando, Florida, pp. 2745-51.