Evaluation of transformer loading above nameplate rating

IEEE Transactions on Power Apparatus and Systems

Volumn PAS-100, Issue 4, 1981, Pages 1989-1998

  Lahoti, B D ^a   Flowers, D E ^a  

^a Columbus and Southern Ohio Electric Company ^*  (United States)

Author keywords

[No Author keywords available]

Indexed keywords

INDUSTRIAL ECONOMICS - APPLICATIONS;

TRANSFORMER OVERLOADING;

ELECTRIC TRANSFORMERS;

EID: 0019555036     PISSN: 00189510     EISSN: None     Source Type: Journal    
DOI: 10.1109/TPAS.1981.316554     Document Type: Article

References (19)

1. “ANSI Guide for loading Oil-Immersed Distribution and Power Transformers, Appendix C-57.92 (1962).
2. “Guide for Loading Oil-Immersed Power Transformers with 65°C Average Winding Rise” NEMA, New York, N.Y. Pub. TR-98-1964.
3. O. O. Chew — “Operation of Transformers at Loads in Excess of Nameplate Rating: The Line, Dec. 1978
4. Norris, E.T. — “Transformer Multiflow Hottest Spot Rating: Proposed Standard Specification.” PROC, IEEE, VOL. 121 No. 8 August 1974.
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11. W. G. Lawson, M. A. Simmons, and P.S. Gale, “Thermal Aging of Cellulose Paper Insulation.” IEEE, Vol. EI-12, No. 1, Feb. 1977.
12. Assera Zaky and Ibrahimy Megahed, “Effect of Organic Additives, Gas Phase, Stress, and Temperature on Gasing Characteristics of Insulating Liquids.” IEEE Vol. EI-7, No. 3 September, 1972.
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14. P.P. Herbert & R. C. Steel — “A High Voltage Bushing Thermal Performance Computer Model.” IEEE Vol. PAS-97 No. 6, Nov/Dec. 1978.
15. W. T. McNutt, W. M. Johnson, R. A. Nelson, “Power Transformer Short Circuit Strength — Requirements, Design and Demonstration.” IEEE, Vol. PAS-89 No. 8 Nov/Dec., 1970.
16. F. W. Heinrichs, “Bubble Formation in Power Transformer Windings at Overload Temperature”, IEEE Transactions, Vol. PAS-98, pp. 1576–1582, Sept./Oct. 1979.
17. F. W. Heinrichs, D. E. Truax and J. D. Phillips “The Effect of Gassing During Overloads on the Impulse Strength of Transformer Insulation”, paper A79 434-2, presented at the 1979 IEEE Summer Power Meeting in Vancouver, B.C.
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19. T. V. Oomen, “Transformer Gas Analysis Helps Trace Degradation” Electric Light and Power, November, 1979.