A review on fractional order (FO) controllers’ optimization for load frequency stabilization in power networks

Abdul Latif, S. M.Suhail Hussain, Dulal Chandra Das, Taha Selim Ustun, Atif Iqbal

    Research output: Contribution to journalReview articlepeer-review

    52 Scopus citations

    Abstract

    Keeping generation and demand balance is a fundamental requirement in power networks. It maintains frequency of the system within permissible limits. For microgrids, this balance is important to keep tie-line power below a certain threshold. Managing load frequency deviations is indispensable for microgrids and can be managed by coordinating generators, loads as well as other components such as energy storage devices and electric vehicles. Therefore, Load Frequency Stabilization (LFS) research has gained a lot of traction in this field. Building on the importance of this concept, this paper constructs different fractional order (FO) control stratagems which have been applied in different frequency response models. In order to achieve the targeted assignment, the impact of incremental control action of different FO controllers along with the system constraints has been considered for better system dynamics. Moreover, the current research work illustrates the structural control operation with transfer function analysis of different FO controllers considered for multiple single/multi-area power network. To optimally tune the existing FO controller parameters, application of several optimization techniques corresponding to the frequency regulation issues have been undertaken. Furthermore, a visualization of complete utilization of classified FO controllers and their corresponding optimization techniques have been analyzed. In order to make the performance elegant, a review has been performed on application of different existing error functions (J) and some recently developed modified error functions. Finally, the performance of modified J considering different FO controllers have been depicted.

    Original languageBritish English
    Pages (from-to)4009-4021
    Number of pages13
    JournalEnergy Reports
    Volume7
    DOIs
    StatePublished - Nov 2021

    Keywords

    • Cascaded FO controller
    • Fractional order (FO) controller
    • Load frequency stabilization (LFS)
    • Optimization technique
    • Single/multi-area distributed power network

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