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The Transactions P of the Korean Institute of Electrical Engineers

Korean Journal of Air-Conditioning and Refrigeration Engineering

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Title	A Study on the Temperature Characteristics Analysis in Tunnel using Loss Factor
Authors	이상근(Lee, Sang-Keun)
DOI	https://doi.org/10.5370/KIEEP.2014.63.2.107
Page	pp.107-112
ISSN	1229-800X
Keywords	Loss factor ; Load factor ; Forced cooling ; Thermal resistance ; Cable temperature
Abstract	To cope with the ever increasing electric power demands in metropolitan areas, a greater underground cable transmission capacity is required. In general, it must be determined whether the temperature in the tunnel maintains the maximum allowable temperature. In order to improve this point, it is used to the loss factor. But, for economic cooling, it is problem to use such loss factor in this country. In this study, based on the load factor in this country, technique for calculating the loss factor has been presents. The suggested method has been tested in a sample section using the computer and the results have shown the usefullness of the suggested method.

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