Frequency domain based control design for an HVdc converter connected to a weak AC network: IEEE Transactions on Power Delivery

J. O'Reilly, A.R. Wood, C.M. Osauskas

    Research output: Contribution to journalArticlepeer-review

    24 Scopus citations

    Abstract

    A small-signal frequency domain model of an HVdc system connected to a weak ac network is used for an operating point-based rectifier direct current control design. The frequency response of the open-loop system is systematically shaped, clearly showing the controller design tradeoffs involved in achieving the objectives of damped system oscillations and disturbance rejection. The performance of the controller is verified by time-domain simulation of the CIGRE Benchmark HVdc test system. This validates the use of small-signal frequency response models for HVdc system control analysis and design. The further developments necessary for a practical controller for large signal excursions are discussed.
    Original languageBritish English
    Pages (from-to)1028-1033
    Number of pages6
    JournalIEEE Trans Power Delivery
    Volume18
    Issue number3
    DOIs
    StatePublished - 2003

    Keywords

    • Control
    • FACTS
    • Frequency domain
    • HVdc
    • Control equipment
    • Electric converters
    • Frequency domain analysis
    • Frequency response
    • Signal excursions
    • HVDC power transmission

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