Thermal Modeling for Underground Cable Under the Effect of Thermal Resistivity and Burial Depth Using Finite Element Method

Abdullah Ahmed Al-Dulaimi*, Muhammet Tahir Guneser, Alaa Ali Hameed

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

Many factors affect underground cables, including the temperature distribution surrounding the cable, the depth of the cable, the thermal resistivity of the soil, and the material the cable is backfilled. The study and analysis of these factors are exploited as much as possible to carry the maximum possible current through the power transmission cable. Calculations were made for single power cables with a flat configuration at a burial depth (0.8 and 1) meters, (0.8 and 1) km/w soil resistivity, and two types of backfill materials: cement-sand mixture backfill (CSB) and thermal backfill for the Aluminum conductor. The proposed model can determine the temperature distribution in the soil, thermal backfill, and around cables. The results essentially show that appropriate thermal backfill and spatial geometric characteristics are not only useful for reducing conductor temperature, but also for securing a specific cost metric at the same time being of exceptional importance to take full advantage of cable ampacity.

Original languageEnglish
Title of host publicationInnovations in Smart Cities Applications - The Proceedings of the 6th International Conference on Smart City Applications
EditorsMohamed Ben Ahmed, Anouar Abdelhakim Boudhir, Ismail Rakip Kara, Vipul Jain, Sehl Mellouli
PublisherSpringer Science and Business Media Deutschland GmbH
Pages339-352
Number of pages14
ISBN (Print)9783030941901
DOIs
Publication statusPublished - 2022
Externally publishedYes
Event6th International Conference on Smart City Applications, SCA 2021 - Safranbolu, Turkey
Duration: 27 Oct 202129 Oct 2021

Publication series

NameLecture Notes in Networks and Systems
Volume393
ISSN (Print)2367-3370
ISSN (Electronic)2367-3389

Conference

Conference6th International Conference on Smart City Applications, SCA 2021
Country/TerritoryTurkey
CitySafranbolu
Period27/10/2129/10/21

Bibliographical note

Publisher Copyright:
© 2022, The Author(s), under exclusive license to Springer Nature Switzerland AG.

Keywords

  • Cable ampacity
  • Cable performance
  • Thermal backfill
  • Thermal modeling
  • Underground cables

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