Robust and generic control of full-bridge modular multilevel converter high-voltage DC transmission systems

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Adam, Grain Philip and Davidson, Innocent Ewean (2015) Robust and generic control of full-bridge modular multilevel converter high-voltage DC transmission systems. IEEE Transactions on Power Delivery. ISSN 0885-8977 (https://doi.org/10.1109/TPWRD.2015.2394387)

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Abstract

This paper presents the theoretical basis of the control strategy that allows the cell capacitor voltage regulation of the full-bridge modular multilevel converter (FB-MMC) to be controlled independent of its dc link voltage. The presented control strategy permits operation with reduced dc link voltage during permanent pole-to-ground dc fault, and controlled discharge and recharge of the HVDC links during shutdown and restart following clearance of temporary pole-to-pole dc faults. Additionally, it allows voltage source converter based HVDC links that employ FB-MMC to be operated with both positive and negative dc negative dc link voltages. This feature is well suited for hybrid HVDC networks, where the voltage source converters are operated alongside the line commutating current source converters, without any compromise to the power reversal at any terminals. The usefulness of the presented control strategy is demonstrated on full-scale model of HVDC link that uses FB-MMC with 101 cells per arm, considering the cases of pole-to-ground and pole-to-pole dc faults.

ORCID iDs

Adam, Grain Philip ORCID logoORCID: https://orcid.org/0000-0002-1263-9771 and Davidson, Innocent Ewean;
  • Item type:Article
    ID code:53868
    Dates:
    Date
    Event
    2015
    Published
    6 February 2015
    Published Online
    13 January 2015
    Accepted
    Notes:(c) 2015 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:24 Jul 2015 14:59
    Last modified:16 Dec 2024 08:10
    URI:https://strathprints.strath.ac.uk/id/eprint/53868
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