An Optimal Coordinated Method for EVs Participating in Frequency Regulation under Different Power System Operation States

Canbing Li, Long Zeng, Bin Zhou*, Xubin Liu, Qiuwei Wu, Di Zhang, Sheng Huang

*Corresponding author for this work

    Research output: Contribution to journalJournal articleResearchpeer-review

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    Abstract

    This paper proposes an optimal coordinated method for electric vehicles (EVs) participating in frequency regula-tion (FR) under different power system operation states (PSOSs). In the proposed methodology, the FR power of EVs and generators is coordinated with different optimization objectives for power system secure and economic operations. When a power system operates in normal state, the minimum FR cost is used as an optimization objective considering the battery degradation cost. In the abnormal state, the minimum frequency restoring time is considered in the optimization objective. Based on the optimized results in different scenarios, the output power coordinated control rule between EVs and generators is drawn. Simulations on an interconnected two-area power system have validated the superiority of the proposed optimized coordinated control strategy.
    Original languageEnglish
    JournalIEEE Access
    Volume6
    Pages (from-to)62756-62765
    Number of pages9
    ISSN2169-3536
    DOIs
    Publication statusPublished - 2018

    Keywords

    • Electric vehicles
    • Frequency regulation
    • Operation state
    • Coordinated control
    • Vehicle-to-grid

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