Dynamic rating of three-core XLPE submarine cables for offshore wind farms

Thomas V.M. Nielsen, Simon Jakobsen, Mehdi Savaghebi*

*Corresponding author for this work

Research output: Contribution to journalJournal articleResearchpeer-review

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Abstract

This article aims to determine the most suitable cross-sectional area for a high voltage alternating current (HVAC) submarine cable in the design phase of new projects. A thermal ladder network method (LNM) was used to analyse the thermal behaviour in the centre of the conductor as the hottest spot of the cable. On the basis of the calculated cable parameters and a thermal cable analysis of transient conditions applied by a step function with a time duration greater than 1 h, this article proposes a method for a dynamic rating of submarine cables. The dynamic rating is accomplished through an iterative process. The method was tested with a MATLAB simulation and validated in comparison with a finite element method (FEM)-based approach.

Original languageEnglish
Article number800
JournalApplied Sciences (Switzerland)
Volume9
Issue number4
Number of pages21
ISSN2076-3417
DOIs
Publication statusPublished - 25. Feb 2019

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submarine cables
Submarine cables
Offshore wind farms
Cable cores
ratings
cables
Cables
Ladder networks
step functions
ladders
MATLAB
high voltages
alternating current
finite element method
conductors
Finite element method
Electric potential
Hot Temperature
simulation

Keywords

  • Dynamic cable rating
  • High voltage alternating current three-core XLPE submarine cables
  • Thermal cable analysis of transient conditions
  • Thermal-electrical cable analogy

Cite this

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title = "Dynamic rating of three-core XLPE submarine cables for offshore wind farms",
abstract = "This article aims to determine the most suitable cross-sectional area for a high voltage alternating current (HVAC) submarine cable in the design phase of new projects. A thermal ladder network method (LNM) was used to analyse the thermal behaviour in the centre of the conductor as the hottest spot of the cable. On the basis of the calculated cable parameters and a thermal cable analysis of transient conditions applied by a step function with a time duration greater than 1 h, this article proposes a method for a dynamic rating of submarine cables. The dynamic rating is accomplished through an iterative process. The method was tested with a MATLAB simulation and validated in comparison with a finite element method (FEM)-based approach.",
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Dynamic rating of three-core XLPE submarine cables for offshore wind farms. / Nielsen, Thomas V.M.; Jakobsen, Simon; Savaghebi, Mehdi.

In: Applied Sciences (Switzerland), Vol. 9, No. 4, 800, 25.02.2019.

Research output: Contribution to journalJournal articleResearchpeer-review

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T1 - Dynamic rating of three-core XLPE submarine cables for offshore wind farms

AU - Nielsen, Thomas V.M.

AU - Jakobsen, Simon

AU - Savaghebi, Mehdi

PY - 2019/2/25

Y1 - 2019/2/25

N2 - This article aims to determine the most suitable cross-sectional area for a high voltage alternating current (HVAC) submarine cable in the design phase of new projects. A thermal ladder network method (LNM) was used to analyse the thermal behaviour in the centre of the conductor as the hottest spot of the cable. On the basis of the calculated cable parameters and a thermal cable analysis of transient conditions applied by a step function with a time duration greater than 1 h, this article proposes a method for a dynamic rating of submarine cables. The dynamic rating is accomplished through an iterative process. The method was tested with a MATLAB simulation and validated in comparison with a finite element method (FEM)-based approach.

AB - This article aims to determine the most suitable cross-sectional area for a high voltage alternating current (HVAC) submarine cable in the design phase of new projects. A thermal ladder network method (LNM) was used to analyse the thermal behaviour in the centre of the conductor as the hottest spot of the cable. On the basis of the calculated cable parameters and a thermal cable analysis of transient conditions applied by a step function with a time duration greater than 1 h, this article proposes a method for a dynamic rating of submarine cables. The dynamic rating is accomplished through an iterative process. The method was tested with a MATLAB simulation and validated in comparison with a finite element method (FEM)-based approach.

KW - Dynamic cable rating

KW - High voltage alternating current three-core XLPE submarine cables

KW - Thermal cable analysis of transient conditions

KW - Thermal-electrical cable analogy

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