Browse > Article

On-Line Assessment of High Voltage Motor Condition using the Motor Performance Monitor  

Kim, Hee-Dong (한전 전력연구원)
Kong, Tae-Sik (한전 전력연구원)
Publication Information
The Transactions of The Korean Institute of Electrical Engineers / v.57, no.9, 2008 , pp. 1589-1593 More about this Journal
Abstract
The condition of a high voltage motor was monitored with the motor performance monitor (MPM) at the motor control center. The MPM detected defects in the rotor bar and end ring and input power according to motor and load conditions. The assessment of the condition of a coal pulverizer motor indicated it was clearly in good condition in terms of the rotor bars, over voltage, and motor performance. However, the side bands at frequency, 56.48 Hz indicated existence of rotor end-ring fault. The large torque ripple indicated abnormal operating conditions. After visual inspection, it has been observed that an impeller blade of the circulating water pump was broken off causing the irregular torque pattern.
Keywords
High Voltage Motor; Motor Performance Monitor; Rotor Bar; Assessment; End-ring Fault;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
Times Cited By SCOPUS : 0
연도 인용수 순위
1 E. J. Wiedenbrug, A. Ramme, E. Matheson, A. V. Jouanne and A. K. Wallace, "Modern Online Testing of Induction Motor for Predictive Maintenance and Monitoring", IEEE Trans. on Industry Applications, Vol. 38, No. 5, pp. 1466-1472, 2002   DOI   ScienceOn
2 G. C. Stone, Partial Discharge Seminar, Iris Power Engineering Inc., Vol. 1, pp. 13-19, 2001
3 S. Nandi, H. A. Toliyat and Xiaodong Li, "Condition Monitoring and Fault diagnosis of Electrical Motors-A Review", IEEE Trans. on Energy Conversion, Vol. 20, No. 4, pp. 719-729, 2005   DOI   ScienceOn
4 김희동, 김병한, "6.6kV급 고압전동기 고정자 권선의 절연열화 평가", 전기전자재료학회 논문지, Vol. 19, No. 11, pp. 1067-1071, 2006   과학기술학회마을   DOI
5 N. M. Elkasabgy and A. R. Eastham, "Detection of Broken Bars in the Cage Rotor on an Induction Machine", IEEE Trans. on Industry Applications, Vol. 28, No. 1, pp. 165-170, 1992   DOI   ScienceOn