Compression behaviors of oil-immersed insulating pressed-boards made of Kraft Pulp

IEEE Transactions on Dielectrics and Electrical Insulation

Volumn 21, Issue 3, 2014, Pages 1285-1290

  Morooka, Hisashi ^a   Yamagishi, Akira ^a   Miyahara, Hideyuki ^a   Sampei, Hiroyuki ^a   Kashiwakura, Masaru ^a   Shirasaka, Yukiyasu ^a  

^a HITACHI LTD   (Japan)

Author keywords

electromagnetic forces; oil insulation; paper insulation; Power transformers; short circuit currents

Indexed keywords

KRAFT PULP; PAPER; POWER TRANSFORMERS; SHORT CIRCUIT CURRENTS; SILICONES; STRAIN RATE;

COMPRESSION BEHAVIOR; ELECTROMAGNETIC FORCES; HIGH COMPRESSIONS; HIGH STRAIN RATES; OIL INSULATIONS; PAPER INSULATION; TIME-TEMPERATURE SUPERPOSITION PRINCIPLES; VISCO-ELASTIC BEHAVIORS;

INSULATION;

ELECTROMAGNETIC ABSORPTION; INSULATION; KRAFT PULPS; POLYSILICONES; SHORT CIRCUITS; TRANSFORMERS;

EID: 84903211391     PISSN: 10709878     EISSN: None     Source Type: Journal    
DOI: 10.1109/TDEI.2014.6832276     Document Type: Article

References (15)

1. K. Kurita, T. Kuriyama, K. Hiraishi, S. Kusumoto, S. Shida, and Y. Hori, "Mechanical Strength of Transformer Windings under Short Circuit Conditions", IEEE Trans. Power App. Syst., Vol. 88, pp. 222-230, 1969.
2. K. Hiraishi, Y. Hori, and S. Shida, "Mechanical Strength of Transformer Windings under Short Circuit Conditions", IEEE Trans. Power App. Syst., Vol. 90, pp. 2381-2390, 1971.
3. H. Kojima, H. Miyata, S. Shida, and K. Okuyama, "Buckling Strength Analysis of Large Power Transformer Windings Subjected to Electromagnetic Force under Short Circuit", IEEE Trans. Power App. Syst., Vol. 99, pp. 1288-1297, 1980. (Pubitemid 10486980)
4. Y. Hori and K. Okuyama, "Axial Vibration Analysis of Transformer Windings under Short Circuit Conditions", IEEE Trans. Power App. Syst., Vol. 99, pp. 443-451, 1980. (Pubitemid 11431714)
5. N. Uchiyama, S. Saito, M. Kashiwakura, A. Takizawa, H. Morooka, Y. Itoh, and Y. Hori, "Axial Vibration Analysis of Transformer Windings with Hysteresis of Stress-and-Strain Characteristic of Insulating Materials", IEEE Power Eng. Soc., Summer Meeting, Vol. 4, pp. 2428-2433, 2000.
6. V. Dahinden, "The Behavior of Transformerboard under Short Circuit Forces", SEV/VSE Bulletin, Vol. 74, pp. 356-364, 1983.
7. H. P. Moser, "Transformerboard", Scientia Electra, Chapter E., 1979.
8. H. Morooka, M. Kashiwakura, Y. Itoh and Y. Takezawa, "Time and Temperature Dependence of Compression Properties for Oil Impregnated Insulating Materials", IEEJ Trans. Fundamentals Materials (FM), No. 3-7, p. 697, 2000. (in Japanese)
9. CIGRE TB No. 436- WG A2. 35, "Experiences in Service with New Insulating Liquid", 2010.
10. T. Kawamura, T. Kobayashi, Y. Shirasaka, H. Murakami, and Y. Ebisawa, "Developments of Gas-filled Transformers and Low-viscosity Silicone Liquid Transformers with the Fire Safety Considered Environment Aspect", CIGRE, A2-104, Parris, Session 2008.
11. A. Yamagishi, K. Miyagi, H. Kojima, and H. Morooka, "Degradation Characteristic of Transformer with Low-viscosity Silicone Liquid", The papers of Technical Meeting on Static Apparatus, IEEJ, No. SA-05-105, pp. 25-30, 2005. (in Japanese)
12. F. Schwarzl and A. Staverman, "Time-Temperature Dependence of Linear Viscoelastic Behavior", J. Appl. Phys., Vol. 23, pp. 838-843, 1952.
13. M. Williams, R. Landel, and J. Ferry, "The Temperature Dependence of Relaxation Mechanisms in Amorphous Polymers and Other Glass-forming Liquids", J. Amer. Chem. Soc., Vol. 77, pp. 3701-3707, 1955.
14. ASTM D3574 - 11 "Standard Test Methods for Flexible Cellular Materials-Slab, Bonded, and Molded Urethane Foams"
15. H. Morooka, M. Suzuki, A. Yamagishi, H. Miyahara, H. Sampei and Y. Shirasaka, "The Strain Rate Dependence of Compression Properties of Silicone Fluid Impregnated Insulating Papers", IEEJ Trans. Fundamentals Materials (FM), No. XV-3, p. 342, 2010. (in Japanese)