DC fault study of a point-to-point HVDC system integrating offshore wind farm using high-temperature superconductor DC cables

Xiang, Wang and Yuan, Weijia and Xu, Lie and Hodge, Eoin and Fitzgerald, John and McKeever, Paul and Bell, Keith (2021) DC fault study of a point-to-point HVDC system integrating offshore wind farm using high-temperature superconductor DC cables. IEEE Transactions on Energy Conversion. ISSN 0885-8969 (https://doi.org/10.1109/TEC.2021.3094308)

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Abstract

This paper presents a feasibility study of an offshore wind farm (OWF) HVDC integration system using high-temperature superconductor (HTS) DC cables. A representative 100kV/2GW point-to-point OWF HVDC system is proposed including HTS DC cables and two converter stations using modular multilevel converters (MMCs). To be compatible with the high current rating of the HTS cables, each of the offshore and onshore converter stations consists of three MMCs in parallel. To study the interaction between HTS DC cables and MMCs, a multiple lumped -section model of a HTS DC cable considering electrical and thermal functionality is developed. This paper provides a critical assessment of the proposed HVDC-HTS system, with emphasis on the performance under fast DC fault transients. Detailed simulations presented in this paper reveal that the HVDC-HTS system provides effective current limiting against DC cable short circuit faults.

  • Item type:Article
    ID code:77000
    Dates:
    Date
    Event
    2 July 2021
    Published
    2 July 2021
    Published Online
    19 June 2021
    Accepted
    Notes:© 2021 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting /republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
    Subjects:Technology > Electrical engineering. Electronics Nuclear engineering
    Department:Faculty of Engineering > Electronic and Electrical Engineering
    Depositing user: Pure Administrator
    Date deposited:06 Jul 2021 14:57
    Last modified:21 Apr 2024 00:44
    URI:https://strathprints.strath.ac.uk/id/eprint/77000
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