Future stability challenges for the UK network with high wind penetration levels: IET Generation, Transmission and Distribution

J. Xia, A. Dyśko, J. O'Reilly

    Research output: Contribution to journalArticlepeer-review

    24 Scopus citations


    Offshore wind plant will play an increasingly important role in future decades if ever-stringent requirements of energy security and low carbon emissions are to be met. Although some analyses of the DFIG impact on system stability have previously been reported, none are based on a large network representing a real system, or the large network is simply not publicly available. This paper describes one such suitable equivalent dynamic model for stability studies based on the UK transmission system. The methodology for appropriate control system design and adjustment of the parameters under different dispatch conditions is presented. Two important aspects contributing to future system stability are studied in detail, namely maximum value of the rate of change of frequency and transient stability. Following National Grid future energy scenarios, a number of detailed case studies are presented to quantify the impact of key influencing factors including the size of the largest generating unit for n-1 contingency, amount of primary system response, and frequency dependency of load. The study concludes that none of the individual factors can provide a complete solution and that careful cost benefit analysis is needed to determine the proper mix of services and reinforcements needed in the future. © The Institution of Engineering and Technology 2015.
    Original languageBritish English
    Pages (from-to)1160-1167
    Number of pages8
    JournalIET Gener. Transm. Distrib.
    Issue number11
    StatePublished - 2015


    • Cost benefit analysis
    • Energy security
    • Offshore oil well production
    • Complete solutions
    • Frequency dependencies
    • Individual factors
    • Key influencing factors
    • Low-carbon emissions
    • Rate of change of frequencies
    • Stringent requirement
    • Transmission systems
    • System stability


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