IDEAS home Printed from https://ideas.repec.org/a/eee/rensus/v171y2023ics1364032122009108.html
   My bibliography  Save this article

Analysis method for the design of long submarine cables

Author

Listed:
  • Dong, T.
  • Brakelmann, H.
  • Anders, G.J.

Abstract

The recent push for renewable electrical energy sources has resulted in a significant increase in the installation of the offshore wind farms. These farms become much bigger than their earlier counterparts and the generated power is much larger. This puts additional performance requirements on the export cables. Long submarine export cables are not only subjected to changing laying conditions along the route, including depth and seabed material variations, but also the loading patterns vary significantly over time. Additionally, applied reactive power compensation measures and the time-dependent grid situation change the distribution of the current along the route. These unique features of long submarine power cables necessitate a new type of approach to their design and construction optimization. This paper introduces a new approach for ampacity calculations of long submarine power cables. As the ampacity calculations form a basis for the design of a cable route, it is of paramount importance that they are performed as accurately as possible. The approach can be applied to general-purpose circuit solvers, and this paper describes how to implement it using the ATP-EMTP software, which is extended to the consideration of concurrent electrical and thermal effects. The approach permits considering all the important local and time-dependent parameters of the analysis simultaneously. In particular, the approach allows simultaneous analysis of the varying laying conditions along the route including changes in the depth of burial and thermal resistivity of the soil together with the temporal variations of the cable loading. Additionally, current characteristics in long AC cable conductors are strongly affected by the reactive power flow, which in turn depends on the location of the reactive power compensation, the reactive power demand for grid operation, and the wind farm voltage reactive power control strategy. Such analysis cannot be performed with any existing analytical tool. Also, numerical tools cannot handle such problems because a 3-dimensional time-dependent analysis of a cable route which is 100 km long would encounter convergence problems as the size of such model would be prohibitive. Hence, at present, the proposed approach is the only one available to solve this complex electro-thermal problem. Several numerical examples illustrate an application of the proposed methodology.

Suggested Citation

  • Dong, T. & Brakelmann, H. & Anders, G.J., 2023. "Analysis method for the design of long submarine cables," Renewable and Sustainable Energy Reviews, Elsevier, vol. 171(C).
  • Handle: RePEc:eee:rensus:v:171:y:2023:i:c:s1364032122009108
    DOI: 10.1016/j.rser.2022.113029
    as

    Download full text from publisher

    File URL: http://www.sciencedirect.com/science/article/pii/S1364032122009108
    Download Restriction: Full text for ScienceDirect subscribers only

    File URL: https://libkey.io/10.1016/j.rser.2022.113029?utm_source=ideas
    LibKey link: if access is restricted and if your library uses this service, LibKey will redirect you to where you can use your library subscription to access this item
    ---><---

    As the access to this document is restricted, you may want to search for a different version of it.

    References listed on IDEAS

    as
    1. Lei You & Jian Wang & Gang Liu & Hui Ma & Ming Zheng, 2018. "Thermal Rating of Offshore Wind Farm Cables Installed in Ventilated J-Tubes," Energies, MDPI, vol. 11(3), pages 1-14, March.
    2. Chen-Zhao Fu & Wen-Rong Si & Lei Quan & Jian Yang, 2018. "Numerical Study of Convection and Radiation Heat Transfer in Pipe Cable," Mathematical Problems in Engineering, Hindawi, vol. 2018, pages 1-12, September.
    Full references (including those not matched with items on IDEAS)

    Most related items

    These are the items that most often cite the same works as this one and are cited by the same works as this one.
    1. Gang Liu & Deming Guo & Pengyu Wang & Honglei Deng & Xiaobin Hong & Wenhu Tang, 2018. "Calculation of Equivalent Resistance for Ground Wires Twined with Armor Rods in Contact Terminals," Energies, MDPI, vol. 11(4), pages 1-24, March.
    2. Juan Carlos Del-Pino-López & Marius Hatlo & Pedro Cruz-Romero, 2018. "On Simplified 3D Finite Element Simulations of Three-Core Armored Power Cables," Energies, MDPI, vol. 11(11), pages 1-14, November.
    3. Wang, Bo & Jia, Xiaoyu & Yang, Jian & Wang, Qiuwang, 2022. "Numerical study on temperature rise and structure optimization for a three-phase gas insulated switchgear busbar chamber," Energy, Elsevier, vol. 254(PC).
    4. Fan Yang & Ningxi Zhu & Gang Liu & Hui Ma & Xiaoyu Wei & Chuanliang Hu & Zhenhua Wang & Jiasheng Huang, 2018. "A New Method for Determining the Connection Resistance of the Compression Connector in Cable Joint," Energies, MDPI, vol. 11(7), pages 1-19, June.
    5. Heiner Brakelmann & George J. Anders & Piotr Zajac, 2021. "Fundamentals of the Thermal Analysis of Complex Arrangements of Underground Heat Sources," Energies, MDPI, vol. 14(20), pages 1-17, October.

    Corrections

    All material on this site has been provided by the respective publishers and authors. You can help correct errors and omissions. When requesting a correction, please mention this item's handle: RePEc:eee:rensus:v:171:y:2023:i:c:s1364032122009108. See general information about how to correct material in RePEc.

    If you have authored this item and are not yet registered with RePEc, we encourage you to do it here. This allows to link your profile to this item. It also allows you to accept potential citations to this item that we are uncertain about.

    If CitEc recognized a bibliographic reference but did not link an item in RePEc to it, you can help with this form .

    If you know of missing items citing this one, you can help us creating those links by adding the relevant references in the same way as above, for each refering item. If you are a registered author of this item, you may also want to check the "citations" tab in your RePEc Author Service profile, as there may be some citations waiting for confirmation.

    For technical questions regarding this item, or to correct its authors, title, abstract, bibliographic or download information, contact: Catherine Liu (email available below). General contact details of provider: http://www.elsevier.com/wps/find/journaldescription.cws_home/600126/description#description .

    Please note that corrections may take a couple of weeks to filter through the various RePEc services.

    IDEAS is a RePEc service. RePEc uses bibliographic data supplied by the respective publishers.