Incentive-based coordinated charging control of plug-in electric vehicles at the distribution-transformer level

R.M. Hermans, M.R. Almassalkhi, I.A. Hiskens

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

50 Citations (Scopus)


Distribution utilities are becoming increasingly aware that their networks may struggle to accommodate large numbers of plug-in electric vehicles (PEVs). In particular, uncoordinated overnight charging is expected to be problematic, as the corresponding aggregated power demand exceeds the capacity of most distribution substation transformers. In this paper, a dynamical model of PEVs served by a single temperature-constrained substation transformer is presented and a centralized scheduling scheme is formulated to coordinate charging of a heterogeneous PEV fleet. We employ the dual-ascent method to derive an iterative, incentive-based and non-centralized implementation of the PEV charging algorithm, which is optimal upon convergence. Then, the distributed open-loop problem is embedded in a predictive control scheme to introduce robustness against disturbances. Simulations of an overnight charging scenario illustrate the effectiveness of the so-obtained incentive-based coordinated PEV control scheme in terms of performance and enforcing the transformer's thermal constraint.
Original languageEnglish
Title of host publicationProceedings of the American Control Conference (ACC 2012), 27-29 June 2012, Montreal, Canada
Place of PublicationPiscataway
PublisherInstitute of Electrical and Electronics Engineers
Publication statusPublished - 2012
Event2012 American Control Conference, ACC 2012 - Fairmont Queen Elizabeth, Montreal, Canada
Duration: 27 Jun 201229 Jun 2012


Conference2012 American Control Conference, ACC 2012
Abbreviated titleACC 2012
Internet address


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