Understanding Moisture Dynamics and Its Effect on the Dielectric Response of Transformer Insulation

IEEE Transactions on Power Delivery

Volumn 30, Issue 5, 2015, Pages 2195-2204

  Cui, Yi ^a   Ma, Hui ^a   Saha, Tapan ^a   Ekanayake, Chandima ^a  

^a UNIVERSITY OF QUEENSLAND   (Australia)

Author keywords

Cellulose; dielectric response; insulation; moisture diffusion; moisture dynamics; oil; transformer

Indexed keywords

CELLULOSE; DIELECTRIC LOSSES; DYNAMICS; INSULATING MATERIALS; INSULATION; MOISTURE METERS; OIL FILLED TRANSFORMERS; THERMAL INSULATION; TRANSIENTS;

DIELECTRIC RESPONSE; MOISTURE DIFFUSION; MOISTURE DYNAMICS; OIL; TRANSFORMER;

MOISTURE;

CELLULOSE; DIELECTRIC PROPERTIES; INSULATION; MOISTURE; TRANSFORMERS;

EID: 84942785384     PISSN: 08858977     EISSN: None     Source Type: Journal    
DOI: 10.1109/TPWRD.2015.2426199     Document Type: Article

References (13)

1. L. E. Lundgaard, W. Hansen, D. Linhjell, and T. J. Painter, "Aging of oil-impregnated paper in power transformers," IEEE Trans. Power Del., vol. 19, no. 1, pp. 230-239, Jan. 2004.
2. Pahlavanpour, M. Martins, and Eklund, "Study of moisture equilibrium in oil-paper system with temperature variation," in Proc. 7th Int. Conf. Prop. Appl. Dielect. Mater., 2003, pp. 1124-1129.
3. T. V. Oommen, "Moisture equilibrium charts for transformer insulation drying practice," IEEE Trans. Power App. Syst., vol. PAS-103, no. 10, pp. 3062-3067, Oct. 1984.
4. Y. Du, M. Zahn, B. C. Lesieutre, A. V. Mamishev, and S. R. Lindgren, "Moisture equilibrium in transformer paper-oil systems," IEEE Elect. Insul. Mag., vol. 15, no. 1, pp. 11-20, Jan./Feb. 1999.
5. B. Buerschaper, O. Kleboth-Lugova, and T. Leibfried, "The electrical strength of transformer oil in a transformerboard-oil system during moisture non-equilibrium," in Proc. Annu. Conf. Elect. Insul. Dielectr. Phenomena, 2003, pp. 269-272.
6. C. Ekanayake, S. M. Gubanski, A. Graczkowski, and K. Walczak, "Frequency response of oil impregnated pressboard and paper samples for estimating moisture in transformer insulation," IEEE Trans. Power Del., vol. 21, no. 3, pp. 1309-1317, Jul. 2006.
7. A. F. Howe, "Diffusion of moisture through power-transformer insulation," in Proc. Inst. Elect. Eng., 1978, vol. 125, pp. 978-986.
8. B. Garcia, J. C. Burgos, A. M. Alonso, and J. Sanz, "A moisture-in-oil model for power transformer monitoring - Part I: Theoretical foundation," IEEE Trans. Power Del., vol. 20, no. 2, pt. 2, pp. 1417-1422, Apr. 2005.
9. W. A. Fessler, T. O. Rouse, W. J. McNutt, and O. R. Compton, "A refined mathematical model for prediction of bubble evolution in transformers," IEEE Trans. Power Del., vol. 4, no. 1, pp. 391-404, Jan. 1989.
10. D. Martin, C. Perkasa, and N. Lelekakis, "Measuring paper water content of transformers: A new approach using cellulose isotherms in nonequilibrium conditions," IEEE Trans. Power Del., vol. 28, no. 3, pp. 1433-1439, Jul. 2013.
11. A. K. Jonscher, Dielectric Relaxation in Solids. London, U.K.: Chelsea Dielectrics Press, 1983.
12. V. Oyj, "MMT330 moisture and temperature transmitter series for oil," 2010. [Online]. Available: http://www.vaisala.com/en/industrialmeasurements/products/moistureinoil/Pages/MMT330.aspx
13. M. A. Tsili, E. I. Amoiralis, A. G. Kladas, and A. T. Souflaris, "Power transformer thermal analysis by using an advanced coupled 3D heat transfer and fluid flow FEM model," Int. J. Therm. Sci., vol. 53, pp. 188-201, 2012.