A Survey of Algorithms for Distributed Charging Control of Electric Vehicles in Smart Grid

Nanduni I. Nimalsiri*, Chathurika P. Mediwaththe, Elizabeth L. Ratnam, Marnie Shaw, David B. Smith, Saman K. Halgamuge

*Corresponding author for this work

    Research output: Contribution to journalArticlepeer-review

    139 Citations (Scopus)

    Abstract

    Electric vehicles (EVs) are an eco-friendly alternative to vehicles with internal combustion engines. Despite their environmental benefits, the massive electricity demand imposed by the anticipated proliferation of EVs could jeopardize the secure and economic operation of the power grid. Hence, proper strategies for charging coordination will be indispensable to the future power grid. Coordinated EV charging schemes can be implemented as centralized, decentralized, and hierarchical systems, with the last two, referred to as distributed charging control systems. This paper reviews the recent literature of distributed charging control schemes, where the computations are distributed across multiple EVs and/or aggregators. First, we categorize optimization problems for EV charging in terms of operational aspects and cost aspects. Then under each category, we provide a comprehensive discussion on algorithms for distributed EV charge scheduling, considering the perspectives of the grid operator, the aggregator, and the EV user. We also discuss how certain algorithms proposed in the literature cope with various uncertainties inherent to distributed EV charging control problems. Finally, we outline several research directions that require further attention.

    Original languageEnglish
    Article number8855113
    Pages (from-to)4497-4515
    Number of pages19
    JournalIEEE Transactions on Intelligent Transportation Systems
    Volume21
    Issue number11
    DOIs
    Publication statusPublished - Nov 2020

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