Abstract

A finite difference method is used to compute the temperatures in a 33 kV three-core cable and splice buried in the ground. The system is reduced to a two-dimensional field problem by replacing the three-core cable of the same conductor section but with thicker insulation which gives the same conductor temperature. The assumptions made are fully discussed in a previous paper. It is seen that the rate of rise of temperature is higher in the cable than in the splice.

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