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Thermal performance of underground power cables with constant and cyclic currents in presence of moisture migration in the surrounding soil

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3 Author(s)
D. S. Freitas ; Dept. of Mech. Eng., Federal Univ. of Santa Catarina, Florianopolis, Brazil ; A. T. Prata ; A. J. de Lima

A numerical methodology for thermal analysis of buried power cables in presence of heat and moisture migration in the surrounding soil is presented. The governing equations are solved via a finite volume methodology and both cable and soil are incorporated in the problem formulation. The developed program is versatile and user-friendly, and was implemented in a personal computer. Results are presented for constant and cyclic loads, stressing the importance of moisture migration in power cable design

Published in:

IEEE Transactions on Power Delivery  (Volume:11 ,  Issue: 3 )