A comparison of damping techniques for the soft-stop of ultra-fast linear actuators for HVDC breaker applications

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    Abstract

    This paper assesses the advantages, drawbacks and overall suitability of different soft-stop techniques to provide smooth deceleration of ultra-fast linear actuators used in hybrid HVDC breaker designs, with the help of FEA simulations. The paper compares active and passive damping techniques in terms of efficacy, energy consumption and interference with the ultra-fast operation needed from the actuator. The possibility of combining active and passive damping techniques is discussed.
    Original languageEnglish
    Title of host publicationThe 9th International Conference on Power Electronics, Machines and Drives
    PublisherInstitution of Engineering and Technology
    Pages1-6
    Number of pages6
    Publication statusPublished - 17 Apr 2018
    EventThe 9th International Conference on Power Electronics, Machines and Drives - Liverpool ACC, Liverpool, United Kingdom
    Duration: 17 Apr 201819 Apr 2018
    Conference number: 9th

    Conference

    ConferenceThe 9th International Conference on Power Electronics, Machines and Drives
    Abbreviated titlePEMD 2018
    Country/TerritoryUnited Kingdom
    CityLiverpool
    Period17/04/1819/04/18

    Keywords

    • Ultra-fast linear actuators
    • Thomson coil
    • moving coil
    • Lorentz force
    • hybrid HVDC breakers

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