You are here

Home » Content

DETERMINATION OF TEMPERATURE DISTRIBUTION IN THE DISC-TYPE COIL OF TRANSFORMER WINDINGS VIA NUMERICAL-ANALYTICAL METHODS

Journal Name:

  • Istanbul University Journal of Electrical & Electronics Engineering

Publication Year:

  • 2002

Key Words:

Author NameUniversity of Author
Abstract (2. Language): 
In the study presented a new efficient thermal model has been implemented to the coil in oil-immersed transformer windings. In order to show thermal model efficiency eight-disc-coil has been modeled. The governing equations of the model developed were solved by a numerical-analytical method to obtain temperature distribution. The heat transfer coefficients for the convection processes are evaluated for an accurate prediction of the hot spot temperature location. The governing equations were solved in both radial and axial directions. All the evaluations used the model developed are verified by using Finite element-based packet program ANSYS. Both results obtained are in good enough agreement with open literature.
Bookmark/Search this post with
FULL TEXT (PDF): 
PDF icon arastirmax-determination-temperature-distribution-disc-type-coil-transformer-windings-numerical-analytical-methods.pdf
  • 2
505-512
  • English

REFERENCES

References: 

REFERENCES
1. Pierce, L., W., “Hottest Spot Temperatures
in Ventilated Dry Type Transformers”,
IEEE Transactions on Power Delivery, Vol.
9., No. 1., pp. 257-263, January 1994.
2. Pierce, L., W., “Specifying and Loading
Cast-Resin Transformers”, IEEE
Transactions on Industry Applications, Vol.
29., No. 3., pp. 590-599, May/June, 1994.
3. ANSI, 1981. American National Standard-
Guide for Loading Mineral-Oil Immersed
Overhead and Pad-Mounted Distribution
Transformers,c57,91.
4. CEI-IEC354 International Standard, 1991.
oading Guide for Oil-Immersed Power
Transformers.
5. Gotter, G., “Erwärmung und Kühlung
Elektrischer Maschinen”, Springer-Verlag,
1954.
6. Preiningerova, S.V., Pivrnec, M.,
“Temperature Distribution in the Coil of a
Transformer Winding”, Proccedings of the
IEE, Vol. 124, No.3, pp. 218-222, March
1977.
7. Kömürgöz, G., Özkol, Ý., Güzelbeyoðlu, N.,
“ Temperature Distribution in The Disc-Type
Coil of Transformer Winding”,
ELECO’2001, Second International
Conference on Electrical and Electronics
Engineering , pp. 67-71, 2001.
8. Karsai,K., Kerènyi, D., Kiss, L., “Large
Power Transformers”, Elsevier,1987.
9. Lobenstein, G., “Zur Heißpunktbestimmung
in großen Transformatorenspulen”, Electrie
44, pp. 34-36, 1990.
10. Lobenstein, G., “Die Darstellung des
Wärmeübergangskoffizienten im
Öltransformator mit kriteriellen
Potenzfunktionen”, Electrie 33, pp. 218-220,
1979.
11. Pierce, L., W., “Predicting Hottest Spot
Temperatures in Ventilated Dry Type
Transformer Windings”, IEEE Transactions
on Power Delivery, Vol. 9., No. 2., pp.
1160-1171, April 1994.
12. Pierce, L.W., 1992. An Investigation of the
Temperature Distribution in Cast-Resin
Transformer Windings, IEEE Transactions
on Power Delivery, Vol.7, No.2, 920-926.
13. Hwang, M.D.,Grady, W.M., Sanders, H.W.,
“Calculation of Winding Temperatures in
Distribution Transformers Subjected to
Harmonic Currents”, IEEE Transactions on
Power Delivery, Vol. 3., No. 3., pp. 1074-
1079, July 1988.
14. Incropera, F.P., DeWitt, D.P., “Introduction
to Heat Transfer”, John Willey&Sons, 1996.

Thank you for copying data from http://www.arastirmax.com