Prediction of hottest spot temperature (HST) in power and station transformers

IEEE Transactions on Power Delivery

Volumn 18, Issue 4, 2003, Pages 1275-1283

  Pradhan, M K ^a   Ramu, T S ^a  

^a INDIAN INSTITUTE OF SCIENCE   (India)

Author keywords

Finite transforms; H S location; Heat transfer; IEEE loading guide; Oil impregnated paper; Prediction accuracy

Indexed keywords

BOUNDARY VALUE PROBLEMS; HEAT CONDUCTION; MATHEMATICAL MODELS; MATHEMATICAL TRANSFORMATIONS; TEMPERATURE;

HOTTEST SPOT TEMPERATURE; POWER TRANSFORMERS; STATION TRANSFORMERS;

TRANSFORMER WINDINGS;

EID: 0141917756     PISSN: 08858977     EISSN: None     Source Type: Journal    
DOI: 10.1109/TPWRD.2003.817739     Document Type: Article

References (10)

1. IEEE Loading Guide for Mineral Oil Immersed Transformer, C57.91, pp. 18-19, 46-53, 1995.
2. B. C. Lesieutre, W. H. Hagman, and J. L. Kirtley, "An improved transformer TOT modeling for use in an on line monitoring and diagnostic system," IEEE Trans. Power Delivery, vol. 12, pp. 249-256, Jan. 1997.
3. D. J. Tylavsky, Q. He, J. Si, G. A. McCulla, and J. R. Hunnt, "Transformer top-oil temperature modeling and simulation," IEEE Trans. Ind. Applicat., vol. 36, pp. 1219-1225, Sept./Oct. 2000.
4. Q. He, J. Si, and D. J. Tylavsky, "Prediction TOT for transformers using neural networks," IEEE Trans. Power Delivery, vol. 15, pp. 1205-1211, Oct. 2000.
5. L. W. Pierce, "An investigation of the thermal performance of an oil filled transformer winding," IEEE Trans. Power Delivery, vol. 7, pp. 1347-1358, July 1992.
6. M. V. Thaden, S. P. Meheta, S. C. Tuli, and R. L. Grubb, "Temperature rise test on a OFAF core-form transformer, including loading beyond name plate," IEEE Trans. Power Delivery, vol. 10, pp. 913-919, Apr. 1995.
7. M. K. Pradhan, "Condition Monitoring of Power and Generator Transformers Based on the Temperature of the Hottest Spot (HST)," M.Sc. Eng. Thesis, Department of High Voltage Engineering, Indian Institute of Science, Bangalore, India, Feb. 2002.
8. Y. A. Mikhailovsky, A. B. Shvidler, G. E. Tarle, V. M. Tchornogotsky, I. D. Voevodin, and I. S. Lyubline, "Methods of temperature rise calculation of power transformer winding," in Proc. 30th Session, vol. 1, sec. 12-16, 1984, pp. 1-6.
9. A. Bejan, Convective Heat Transfer. New York: Wiley, 1995, pp. 177-203, 235-259.
10. M. N. Ozisik, Heat Transfer-A Basic Approach. New York: McGraw-Hill, 1985, pp. 416-462.