The effect of soil thermal conductivity and cable ampacity on the thermal performance and material costs of underground transmission line

This paper presents an optimisation of material costs of a 400 kV cable line arranged in a flat formation for different values of soil thermal conductivity and cable ampacity. The Finite Element Method is adopted to calculate the temperature field within the cable system. The Particle Swarm Optimisa...

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Veröffentlicht in:	Energy (Oxford) 2021-09, Vol.231, p.120803, Article 120803
1. Verfasser:	Ocłoń, Paweł
Format:	Artikel
Sprache:	eng
Schlagworte:	algorithms Backfill Cables Cement Conductors Costs Cross-sections Design optimization energy finite element analysis Finite element method Fluidizing Heat conductivity Heat transfer Mathematical analysis Particle swarm optimisation Power cables Sand soil Soils system optimization temperature Temperature distribution Thermal conductivity Underground cables Underground power cable system Underground transmission lines
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