Dynamic Active Power Control with Improved Undead-Band Droop for HVDC Grids

T.K. Vrana, Lorenzo Zeni, O.B. Fosso

    Research output: Contribution to conferencePaperResearchpeer-review

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    Abstract

    The earlier developed control method using a piecewise linear droop curve, with different droop values for the different segments, has now been optimised for dynamic performance. Non-linearities at the junctions of two linear droop sections have been adressed. Also non-linearity of power based DC voltage control has been adressed. Dynamic instability due to high control gains has been treated and a new improved control structure has been proposed. The concepts have been validated with RMS simulation with the DIgSILENT PowerFactory software on the CIGRE B4 DC grid test system.
    Original languageEnglish
    Publication date2012
    Number of pages6
    Publication statusPublished - 2012
    Event10th International Conference on AC and DC Power Transmission - The Holiday Inn Birmingham City, Birmingham, United Kingdom
    Duration: 4 Dec 20126 Dec 2012

    Conference

    Conference10th International Conference on AC and DC Power Transmission
    LocationThe Holiday Inn Birmingham City
    Country/TerritoryUnited Kingdom
    CityBirmingham
    Period04/12/201206/12/2012

    Keywords

    • HVDC
    • Power Converter
    • Active Power Control
    • Droop Control
    • Meshed DC Grid

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