Title :
Gas cooling performance in disc winding of large-capacity gas-insulated transformer
Author :
Nakadate, M. ; Toda, K. ; Sato, K. ; Biswas, D. ; Nakagawa, C. ; Yanari, T.
Author_Institution :
Toshiba Corp., Kawasaki, Japan
fDate :
4/1/1996 12:00:00 AM
Abstract :
We have developed the gas-cooling system of a 275 kV, 300 MVA class gas-insulated transformer. In our study model experiments in which gas flow was substituted by water flow equivalently and 2-dimensional numerical flow analyses and network analyses were conducted. In this paper the outline of the development and optimization condition to get high cooling performance in SF6 gas-disc winding system of the transformer are presented
Keywords :
SF6 insulation; cooling; gas insulated transformers; power transformer insulation; transformer windings; 2-dimensional numerical flow analyses; 275 kV; 300 MVA; SF6; SF6 gas-disc winding system; gas cooling performance; gas-insulated transformer; network analyses; optimization condition; Cooling; Ducts; Fluid flow; Fluid flow measurement; Oil insulation; Power measurement; Power transformer insulation; Pressure measurement; Sulfur hexafluoride; Volume measurement;
Journal_Title :
Power Delivery, IEEE Transactions on
