Novel fault location in MTDC grids with non-homogeneous transmission lines utilizing distributed current sensing technology

Tzelepis, Dimitrios and Fusiek, Grzegorz and Dyśko, Adam and Niewczas, Pawel and Booth, Campbell and Dong, Xinzhou (2017) Novel fault location in MTDC grids with non-homogeneous transmission lines utilizing distributed current sensing technology. IEEE Transactions on Smart Grid. ISSN 1949-3053 (https://doi.org/10.1109/TSG.2017.2764025)

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Abstract

This paper presents a new method for locating faults in multi-terminal direct current (MTDC) networks incorporating hybrid transmission media (HTMs), including segments of underground cables (UGCs) and overhead lines (OHLs). The proposed travelling wave (TW) type method uses continuous wavelet transform (CWT) applied to a series of line current measurements obtained from a network of distributed optical sensors. The technical feasibility of optically-based DC current measurement is evaluated through laboratory experiments using Fiber-Bragg Grating (FBG) sensors and other commercially available equipment. Simulation-based analysis has been used to assess the proposed technique under a variety of fault types and locations within an MTDC network. The proposed fault location scheme has been found to successfully identify the faulted segment of the transmission media as well as accurately estimating the fault position within the faulted segment. Systematic evaluation of the method is presented considering a wide range of fault resistances, mother wavelets, scaling factors and noisy inputs. Additionally, the principle of the proposed fault location scheme has been practically validated by applying a series of laboratory test sets.

ORCID iDs

Tzelepis, Dimitrios ORCID logoORCID: https://orcid.org/0000-0003-4263-7299, Fusiek, Grzegorz ORCID logoORCID: https://orcid.org/0000-0002-3361-7803, Dyśko, Adam ORCID logoORCID: https://orcid.org/0000-0002-3658-7566, Niewczas, Pawel ORCID logoORCID: https://orcid.org/0000-0003-3291-1725, Booth, Campbell ORCID logoORCID: https://orcid.org/0000-0003-3869-4477 and Dong, Xinzhou;
  • Item type:Article
    ID code:62048
    Dates:
    Date
    Event
    17 October 2017
    Published
    17 October 2017
    Published Online
    13 October 2017
    Accepted
    Notes:(c) 2017 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other users, 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 components 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:16 Oct 2017 09:26
    Last modified:11 Nov 2024 11:48
    Related URLs:
    URI:https://strathprints.strath.ac.uk/id/eprint/62048
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