Coolant Flow Distribution and Pressure Loss in ONAN Transformer Windings - Part II: Optimization of Design Parameters

IEEE Transactions on Power Delivery

Volumn 19, Issue 1, 2004, Pages 194-199

  Zhang, Jiahui ^a   Li, Xianguo ^a  

^a UNIVERSITY OF WATERLOO   (Canada)

Author keywords

Disk type; Flow distribution; Hydraulic model; Pressure loss; Transformer

Indexed keywords

COOLING; DISKS (MACHINE COMPONENTS); DUCTS; HYDRAULIC MODELS; NUMERICAL ANALYSIS; OPTIMIZATION; PRODUCT DESIGN; REYNOLDS NUMBER; VISCOSITY;

FLOW DISTRIBUTION; PRESSURE LOSSES;

TRANSFORMER WINDINGS;

EID: 0346076725     PISSN: 08858977     EISSN: None     Source Type: Journal    
DOI: 10.1109/TPWRD.2003.820216     Document Type: Article

References (6)

1. P. H. G. Allen, O. Szpiro, and E. Campero, "Thermal analysis of power transformer windings," Elect. Mach. Electromech., vol. 6, pp. 1-11, 1981.
2. H. Yamazaki and T. Sakamoto, "Basic cooling characteristics of perfluorocarbon liquid immersed windings for nonflammable transformers. Part 1. Disk coil cooling for large-capacity forced circulating transformers," Heat Transfer - Japanese Res., vol. 20, no. 7, pp. 656-667, 1991.
3. M. Nakadate, K. Toda, K. Sato, D. Biswas, C. Nakagawa, and T. Yanari, "Gas cooling performance in disc winding of large-capacity gas-insulated transformer," IEEE Trans. Power Delivery, vol. 11, pp. 903-908, Apr. 1996.
4. J. Zhang and X. Li, "Flow distribution and pressure loss of coolant in ONAN transformer windings - Part I: Theory and model development" IEEE Trans. Power Delivery, vol. 19, Jan. 2004, to be published.
5. O. Szpiro, P. H. G. Allen, and C. W. Richards, "Coolant distribution in disc type transformer winding horizontal ducts and its influence on coil temperature," in Proc. 7th Int. Heat Transfer Conf., vol. 6, Munich, Germany, 1982, pp. 251-256.
6. R. M. Del Vecchio and P. Feghali, "Thermal model of a disk coil with directed oil flow," Proc. IEEE Transm. Dist. Conf., vol. 2, pp. 914-919, 1999.