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

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

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