The influence of cellulose insulation aging degree on its water sorption properties and bubble evolution

IEEE Transactions on Dielectrics and Electrical Insulation

Volumn 17, Issue 3, 2010, Pages 906-912

  Przybylek, Piotr ^a  

^a POZNAN UNIVERSITY OF TECHNOLOGY   (Poland)

Author keywords

Aging; Bubbles; Moisture; Power transformer insulation; Temperature

Indexed keywords

BUBBLES; CELLULOSE INSULATION; CELLULOSE POLYMERIZATION; DESORPTION PROPERTIES; INITIATION TEMPERATURE; INSULATING SYSTEM; MOISTURE DISTRIBUTION; OIL-PAPERS; PAPER INSULATION; POWER TRANSFORMER INSULATION; RESEARCH RESULTS; WATER DESORPTION; WATER SORPTION;

CELLULOSE; DESORPTION; INSULATING OIL; KRAFT PAPER; OIL FILLED TRANSFORMERS; POLYMERIZATION; POWER TRANSFORMERS; RESEARCH; TRANSFORMER SUBSTATIONS;

WATER CONTENT;

AGING; BUBBLES; CELLULOSE; DESORPTION; INSULATION; KRAFT PAPERS; MOISTURE; MOISTURE CONTENT; POLYMERIZATION; TRANSFORMERS;

EID: 77954209556     PISSN: 10709878     EISSN: None     Source Type: Journal    
DOI: 10.1109/TDEI.2010.5492265     Document Type: Article

References (17)

1. Cigré Brochure 349, "Moisture equilibrium and moisture migration within transformer insulation systems", 2008.
2. V. Sokolov and B. Vanin, "In-service assessment of water content in power transformers", Proc. The 62nd Annual Intern. Conf. Doble Clients, Section 8-6̧1995.
3. V. Sokolov and B. Vanin, "Evaluation of power transformer insulation through measurement of dielectric characteristics", Proceedings of the 63rd Annual Intern. Conf. Doble Clients, Section 8-7, 1996.
4. D.H. Shroff and A.W. Stannett, "A review of paper aging in power transformers", IEE Proc., Vol.132, Pt. C, No.6, pp. 312-319, 1985.
5. H.P. Moser and V. Dahinden, Transformerboard II, Weidmann AG, Rapperswil, 1987.
6. Cigré Brochure 323, "Aging of cellulose in mineral-oil insulated transformers", 2007.
7. S. Prosiski, "Chemia drewna", Pastwowe Wydawnictwo Rolnicze i Lene, Warszawa, 1984 (in Polish).
8. M. Schaible, "Electrical insulating papers - an overview", IEEE Electr. Insul. Mag., Vol.3, No.1, pp. 8-12, 1987.
9. T.A. Prevost and T.V. Oommen, "Cellulose insulation in oil-filled power transformers: Part 1 - History and development", IEEE Electr. Insul. Mag., Vol.22, No.1, pp. 28-35, 2006.
10. B. Bródka and H. Mocicka-Grzesiak, "Structure of cellulose in the aspect of paper-oil insulation degradation", Przegld Elektrotechniczny, Vol.4, pp. 53 - 59, 2006 (in Polish).
11. P. Przybylek, Reliability of Physicochemical Methods of Water Content Estimation in Oil-paper Insulation in Aspect of Transformer Breakdown Risk Caused by Thermal Effect", doctoral dissertation, Poznan University of Technology, pp. 26-27, 83-95, 2007 (in Polish).
12. "Transformer Maintenance", FIST 3-30, Facilities Instructions, Standards, and Techniques, Hydroelectric research and technical services group D-8450, United States Department of the Interior, October 2000.
13. M. Koch, S. Tenbohlen and T. Stril, "Advanced online moisture measurements in power transformers", Intern. Conf. Condition Monitoring and Diagnosis, Changwon, Korea, 2006.
14. T.V. Oommen, "Moisture Equilibrium Curves - Use and Misuse", Doble Conference Paper, April 2003.
15. V. Sokolov, V. Bulgakova and Z. Berler, "Assessment of power transformer insulation condition", Electr. Insul. Conf. Electr. Manufacturing & Coil Winding Conference, pp. 605 - 613, 2001.
16. J. Gielniak, H. Morada, M. Ossowski, P. Przybyek, K. Walczak, H. Mocicka-Grzesiak and S. Neumann, "Warunki wystpienia bubble effect w transformatorze o izolacji papier-olej", Energetyka, Zeszyt Tematyczny nr 4, kwiecie, pp. 120-122, 2005 (in Polish).
17. T.V. Oommen and S.R. Lindgren, "Bubble evolution from transformer overload", Transmission and Distribution Conf. Exposition, IEEE/PES, Vol.1, pp. 137 - 142, 2001.