An adaptive reclosing strategy for MMC-HVDC systems with hybrid DC circuit breakers

Yang, Saizhao and Xiang, Wang and Lu, Xiaojun and Zuo, Wenping and Wen, Jinyu (2019) An adaptive reclosing strategy for MMC-HVDC systems with hybrid DC circuit breakers. IEEE Transactions on Power Delivery. ISSN 0885-8977 (https://doi.org/10.1109/TPWRD.2019.2935311)

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Abstract

Modular multilevel converter (MMC) based high voltage direct current transmission (HVDC) is an effective solution for large-scale renewable power integration over long-distance. In the overhead MMC-HVDC systems, the high voltage DC circuit breakers (DCCB) are implemented to interrupt the DC fault current. Subsequent to fault isolation, the DCCBs are required to automatically re-close to restore power transmission quickly. However, when the DCCBs are re-closed to permanent faults, they will be tripped again, resulting in a high requirement of interruption capacity for DCCBs and second overcurrent strikes on the HVDC systems. To overcome the drawbacks of the conventional auto-reclosing scheme, this paper proposes an adaptive reclosing scheme based on the active pulse injection from the converter associated with the coordination control of hybrid DCCBs. The single-end adaptive reclosing scheme as well as two ends adaptive reclosing scheme dedicated to two-terminal HVDC systems and meshed DC grids are presented respectively. By applying this method, the location of faults can also be achieved in the case of permanent faults. In order to verify the effectiveness of the proposed adaptive reclosing schemes, extensive simulations have been conducted under PSCAD/EMTDC.

ORCID iDs

Yang, Saizhao, Xiang, Wang ORCID logoORCID: https://orcid.org/0000-0002-4619-5849, Lu, Xiaojun, Zuo, Wenping and Wen, Jinyu;
  • Item type:Article
    ID code:70994
    Dates:
    Date
    Event
    19 August 2019
    Published
    19 August 2019
    Published Online
    4 June 2019
    Accepted
    Notes:© 2019 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:18 Dec 2019 16:25
    Last modified:11 Nov 2024 12:33
    URI:https://strathprints.strath.ac.uk/id/eprint/70994
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