Insights on the provision of frequency support by wind power and the impact on energy systems

Attya, A. B. and Dominguez-Garcia, J.L. (2017) Insights on the provision of frequency support by wind power and the impact on energy systems. IEEE Transactions on Sustainable Energy. ISSN 1949-3037 (https://doi.org/10.1109/TSTE.2017.2759503)

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Abstract

This paper implements and compares between the key concepts to enable wind power short-term frequency support from electrical and mechanical loads perspectives. Pitch de-loading, kinetic energy extraction and wind turbine (WTG) over-speeding are investigated, where each concept is integrated as a supplementary controller to the conventional controls of WTG. Different patterns of wind speed are examined, step-change and real intermittent of high resolution. The examined aggregated synchronous area has a relatively high wind penetration with frequency support. The overall dynamic inertia of the system is assessed to analyze the impact of the integrated support methods and their key parameters. The coordination between synchronous areas and wind farms, which are interconnected through a multi-terminal high voltage direct current network (MT-HVDC) is examined. A definition of the virtual inertia of MT-HVDC grid is proposed. Results show that pitch de-loading secures support reserve most of the time, and kinetic energy extraction provides sustainable support for a short time, while accelerative de-loading could reach a compromise. The three methods are adaptable with the MT-HVDC holistic frequency support controller, with a small advantage of kinetic energy extraction on the virtual inertia of the MT-HVDC. Matlab/Simulink® is the simulation environment.

ORCID iDs

Attya, A. B. ORCID logoORCID: https://orcid.org/0000-0001-9869-0852 and Dominguez-Garcia, J.L.;
  • Item type:Article
    ID code:62346
    Dates:
    Date
    Event
    5 October 2017
    Published
    30 September 2017
    Accepted
    Notes:(c) 2017 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:14 Nov 2017 12:27
    Last modified:11 Nov 2024 11:50
    Related URLs:
    URI:https://strathprints.strath.ac.uk/id/eprint/62346
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