Influence of water content on frequency domain spectroscopy characteristics of transformer oil and insulation paper

Gaodianya Jishu/High Voltage Engineering

Volumn 36, Issue 12, 2010, Pages 2869-2875

  Liao, Rui Jin ^a   Ma, Zhi Qin ^a   Hao, Jian ^a   Yang, Li Jun ^a   Xiao, Zhong Nan ^a  

^a CHONGQING UNIVERSITY   (China)

Author keywords

Dielectric property; Frequency domain spectroscopy; Mineral oil; Oil impregnated paper; Transformer; Water content

Indexed keywords

BROAD-BAND DIELECTRIC SPECTROSCOPY; COMPLEX PERMITTIVITY; DC CONDUCTIVITY; DISSIPATION FACTORS; ELECTRICAL DIAGNOSTICS; FREQUENCY DOMAIN SPECTROSCOPY; FREQUENCY RANGES; INFLUENCE OF WATER; INSULATION OIL; INSULATION PAPER; MOISTURE CONTENTS; NON DESTRUCTIVE; OIL-IMPREGNATED PAPER; REAL PART; TRANSFORMER; TRANSFORMER INSULATION; TRANSFORMER OIL;

DC TRANSFORMERS; ELECTRIC INSULATION; FREQUENCY DOMAIN ANALYSIS; INSULATING MATERIALS; LUBRICATING OILS; MINERAL OILS; MINERALS; OIL FILLED TRANSFORMERS; PERMITTIVITY; SILICATE MINERALS; THERMAL INSULATION; WATER CONTENT;

PAPER;

DIELECTRIC CONSTANT; DIELECTRIC PROPERTIES; ELECTRIC INSULATION; IMPREGNATION; INSULATION; LUBRICATING OIL; MINERAL OIL; MOISTURE CONTENT; SILICATES; SPECTROSCOPY; THERMAL INSULATION; TRANSFORMERS;

EID: 78651418301     PISSN: 10036520     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (21)

1. Lu Chang-Bo. Power Transformer Insulation[M]. Harbin, China: Harbin Industry University Press, 1997.
2. Forfana I, Wasserberg V, Borsi V. Challenge of mixed insulating liquids for use in high-voltage transformers, part 2: investigations of mixed liquid impregnated paper insulation[J]. IEEE Electrical Insulation Magazine, 2002, 18(4): 5-16.
3. Koch M, Krüger M. Measuring and analyzing the dielectric response of power transformers[J]. High Voltage Engineering, 2009, 35(8):1933-1939.
4. Zhou Li-Jun, Tang Hao, Wu Guang-Ning, et al. Equilibrium moisture distribution in oil-paper insulation[J]. High Voltage Engineering, 2007, 33(8): 27-30.
5. Maik Koch, Michael Kruger, Stefan Tenbohlen. Comparing various moisture determination methods for power Transformers[C]// CIGRE 6th Southern Africa Regional Conference. Somerset West, South Africa: CIGRE, 2009: 1-6.
6. Ekanayake C, Stanislaw M G, Graczkowski A, et al. Frequency response of oil impregnated pressboard and paper samples for estimating moisture in transformer insulation[J]. IEEE Transactions on Power Delivery, 2006, 21(3): 1309-1317.
7. Saha T K. Review of modern diagnostic techniques for assessing insulation condition in aged transformers[J]. IEEE Transactions on Dielectrics and Electrical Insulation, 2003, 10(5): 903-917.
8. Unsworth J, Mitchell J. Degradation of electrical insulation paper monitored using high performance liquid chromatography[J]. IEEE Transactions on Electrical Insulation, 1990, 25(4): 737-746.
9. Andersson R, Heinonen K. Experiences of furfuraldehyde analysis in condition monitoring of power transformers[J]. Nordic Insulation Symposium NORD-IS, 1992, 6(4): 1-10.
10. Percherancier J P, Vuarchex P J. Fourier transform infrared (FTIR) spectrometry to detect additives and contaminants in insulating oils[J]. Electrical Insulation Magazine, 1999, 14(3): 23-29.
11. Kuang Y C, Chen G, Jarmm P. Recovery voltage measurement on oil-paper insulation with simple geometry and controlled environment[C]// IEEE International Conference on Solid Dielectricse. Toulousee, France: IEEE, 2004.
12. Li Ming-Hua, Dong Ming, Yan Zhang. A new insulation testing method-return voltage method[J]. High Voltage Engineering, 2002, 28(8): 43-45.
13. Alireza S, Issouf F, Alireza A, et al. Effect of temperature, water content and aging on the dielectric response of oil impregnated paper[C]// IEEE International Conference on Dielectric Liquids. [S.l.]: IEEE, 2008.
14. Saha T K, Purkait P. Investigation of an expert system for the condition assessment of transformer insulation based on dielectric response measurement[J]. IEEE Transactions on Power Delivery, 2004, 19(3): 1127-1134.
15. Yew J H, Pradhan M K, Saha T K. Effects of moisture and temperature on the frequency domain spectroscopy analysis of power transformer insulation[C]// Proceedings of the IEEE Power Engineering Society General Meeting, Pittsburgh. Pennsylvania, USA: IEEE, 2008.
16. Zhang Zhi, Dong Ming, Yang Shuang-Suo, et al. Application of frequency domain spectroscopy to the insulation diagnosis of oil-immersed power transformer on site[J]. High Voltage Engineering, 2009, 35(7): 1648-1653.
17. Morais R M, Mannheimer W A, Carballeira M. Furfural analysis for assessing degradation of thermally upgraded papers in transformer insulation[J]. IEEE Transactions on Dielectrics and Electrical Insulation, 1999, 6(2): 159-163.
18. Sun Mu-Zhen. Dielectric Physics[M]. Guangzhou, China: South China University of Technology Press, 2000.
19. Li Jian, Sun Yan-Fei, Zou Ping, et al. Dielectric properties of refined insulating rapeseed-oil[J]. High Voltage Engineering, 2009, 35(6): 1316-1321.
20. The people's republic of china ministry of power industry. DL/T 596-1996regulations of preventive testing for power equipment[S]. Beijing, China: China Electric Power Press, 1996.
21. Linhjell D, Lundgaard L, Uno Gäfvert. Dielectric response of mineral oil impregnated cellulose and the impact of aging[J]. IEEE Transactions on Dielectrics and Electrical Insulation, 2007, 14(1): 156-169.