Real-time dynamic loading and thermal diagnostic of power transformers

IEEE Transactions on Power Delivery

Volumn 18, Issue 1, 2003, Pages 142-148

  Lachman, Mark F ^a,b   Griffin, Paul J ^a,b   Walter, Wolf ^a,b   Wilson, Alan ^a,b  

^a IEEE   (United States)

^b DOBLE ENGINEERING COMPANY   (United States)

Author keywords

Cooling mode; Dynamic loading; Loss of life; Power transformer; Temperature

Indexed keywords

ALGORITHMS; DATA REDUCTION; ELECTRIC POTENTIAL; ELECTRIC TRANSFORMER LOADS; MOISTURE; REAL TIME SYSTEMS;

THERMAL DIAGNOSTICS;

ELECTRIC TRANSFORMERS;

EID: 0037249952     PISSN: 08858977     EISSN: None     Source Type: Journal    
DOI: 10.1109/TPWRD.2002.803724     Document Type: Article

References (19)

1. D. A. Douglass, D. C. Lawry, A. Edris, and E. C. Bascom, III, "Dynamic thermal ratings realize circuit load limits," IEEE Comput. Applicat. Power, pp. 38-44, Jan. 2000.
2. T. O. Seppa et al., "Application of real-time thermal ratings for optimizing transmission line investment and operating decisions," in Proc. CIGRE 22-301, Paris, France, Sept. 2000.
3. W. J. McNutt, "Notes from Bill McNutt," in Doble Exchange. Watertown, MA: Doble Eng. Co., Dec. 1990, vol. 8.
4. IEEE Guide for Loading Mineral-Oil-Immersed Transformers Up to and Including 100 MVA With 55 °C or 65 °C Average Winding Rise, IEEE Stand. C57.92-1981.
5. IEEE Guide for Loading Mineral-Oil-Immersed Overhead and Pad-Mounted Distribution Transformers Rated 500 kVA and Less With 65 °C or 55 °C Winding Rise, IEEE Stand. C57.91-1981.
6. IEEE Guide for Loading Mineral-Oil-Immersed Power Transformers Rated in Excess of 100 MVA, IEEE Stand. C57.115-1991.
7. IEEE Guide for Loading Mineral-Oil-Immersed Transformers, IEEE Stand. C57.91-1995.
8. AIEE Transformer Subcommittee, "Guides for operation of transformers, regulators, and reactors," AIEE Trans., vol. 64, pp. 797-805, discussion p. 957, Nov. 1945.
9. L. W. Pierce, "Review of transformer loading guide equations," in Rep. IEEE Power Eng. Soc. Relay Committee Working Group, Sept., 15 1998, pub. 103 943.
10. _, "An investigation of the thermal performance of an oil-filled transformer winding," IEEE Trans. Power Delivery, vol. 7, pp. 1347-1358, July 1992.
11. _, "Predicting liquid-filled transformer loading capability," IEEE Trans. Ind. Applicat., vol. 30, pp. 170-178, Jan./Feb. 1994.
12. P. J. Griffin, "Continuous condition assessment and ratings of power transformers," in Proc. 66th Annu. Int. Conf. Doble Clients, sec. 8.2, 1999.
13. A. Wilson, P. J. Griffin, M. F. Lachman, R. C. Brusetti, R. A. Proffitt, J. S. Skinner, and E. L. Francis, "INSITE diagnostics for transformers," in Proc. 67th Annu. Int. Conf. Doble Clients, sec. 8.3, 2000.
14. M. F. Lachman, P. J. Griffin, W. Walter, A. Wilson, E. L. Francis, R. A. Proffitt, and J. S. Skinner, "Experience with dynamic loading and thermal analysis of power transformers," in Proc. 68th Annu. Int. Conf. Doble Clients, sec. 1-3, 2001.
15. I. S. Benko et al., "Loading of substation electrical equipment with emphasis on thermal capability, Part II-Application," IEEE Trans. Power App. Syst., vol. PAS-98, pp. 1403-1419, July/Aug. 1979.
16. IEEE General Requirements for Liquid-Immersed Distribution, Power, and Regulating Transformers, IEEE Std. C57.12-00-2000.
17. "Loading Guide for Oil-Immersed Power Transformers," IEC 354, II ed., 1991-09.
18. "Summary of replies to the 1998 technical questionnaire transformers Trans. Doble Client Committees,", 2-12, question #3, 1997-1998.
19. W. J. McNutt and M. R. Patel, "The combined effects of thermal aging and short-circuit stresses on transformer life," IEEE Trans. Power App. Syst., vol. PAS-95, pp. 1275-1286, July/Aug. 1976.