Diagnosis on increase in electrostatic charging tendency of mineral insulating oil for power transformers due to aging

IEEE Transactions on Dielectrics and Electrical Insulation

Volumn 17, Issue 3, 2010, Pages 953-963

  Okabe, Shigemitsu ^a   Kohtoh, Masanori ^a   Amimoto, Tsuyoshi ^b  

^a TOKYO ELECTRIC POWER COMPANY   (Japan)

^b MITSUBISHI ELECTRIC CORPORATION   (Japan)

Author keywords

Aging; Conductivity; Electrostatic measurements; Electrostatic processes; Fluid flow; Insulation; Life estimation; Oil insulation; Petroleum; Sulfur; Sulfur compounds; Transformers

Indexed keywords

ELECTROSTATIC MEASUREMENTS; ELECTROSTATIC PROCESS; FLUID FLOW; INSULATION LIFE; OIL INSULATIONS;

CATALYSTS; CONCENTRATION (PROCESS); ELECTRIC CONDUCTIVITY; ELECTRIC FURNACES; ELECTROSTATICS; FLOW OF FLUIDS; HYDROGEN; INSULATING OIL; IONS; MINERALS; OIL FILLED TRANSFORMERS; OXYGEN; SILICATE MINERALS; SULFUR; SULFUR DETERMINATION; TESTING; THERMAL AGING; TRANSFORMER SUBSTATIONS;

POWER TRANSFORMERS;

EID: 77954194410     PISSN: 10709878     EISSN: None     Source Type: Journal    
DOI: 10.1109/TDEI.2010.5492272     Document Type: Article

References (11)

1. R. Tamura, Y. Miura, T. Watanabe, T. Ishii, N. Yamada and T. Nitta, "Static electrification by forced oil in large power transformer," in IEEE Power Engineering Society (PES) Summer meeting, F 79 640-644, 1979.
2. T. Paillat, N. Charvet, O. Moreau, G. Mortha, Y. Bertrand and G. Touchard, "Influence of pressboard ionizable groups on static electrification in power transformers", IEEE Conf. Electr. Insul. Dielectr. Phenomena (CEIDP), pp. 180-183, 2002.
3. A. Bourgeois, T. Paillat, G. Mortha, O. Moreau, Y. Bertrand and G. Touchard, "Flow electrification in power transformers: study of a potential remedy", IEEE Intern. Conf. Dielectr. Liquids (ICDL), pp. 417-420, 2005. (Pubitemid 41732143)
4. T. Kobayashi, K. Yajima, S. Tsukao, Y. Ebisawa and N. Hosokawa, "Major Factors Increasing Static Electrification in an Aged Transformer", IEEE Conf. Electr. Insul. Dielectr. Phenomena (CEIDP), pp. 474-477, 2005.
5. A. Bourgeois, G. Mortha, T. Paillat, G. Touchard, O. Moreau and Y. Bertrand, "Flow Electrification in Power Transformer: Study of a Potential Remedy", IEEE Trans. Dielectr. Electr. Insul., Vol.13, pp. 650-656, 2006.
6. Fluids for Electrotechnical Applications - Unused Mineral Insulating Oils for Transformers and Switchgear, IEC 60296, 2003.
7. S. Okabe, M. Kohtoh, M. Tsuchie, and T. Amimoto, "Influence of Diverse Compounds on Electrostatic Charging Tendency in Insulating Oil with Oil-immersed Transformer", IEEE Trans. Dielectr. Electr. Insul., Vol.16, pp.900-908, 2009.
8. S. Okabe, M. Kohtoh and T. Amimoto, "Investigation on Electrostatic Charging Mechanism in Aged Oil-immersed Transformers", IEEE Trans. Dielectr. Electr. Insul., submitted for publication.
9. CIGRE SC12, "Static electrification in power transformers", CIGRE SC12-Technical Brochure, Product ld 170, 2000
10. Testing methods of electrical insulating oils, Japanese Industrial Standard JIS C 2101
11. Electrical insulating oils, Japanese Industrial Standard, JIS C 2320