Battery-Conscious, Economic, and Prioritization-Based Electric Vehicle Residential Scheduling

Jordan P. Sausen, Alzenira R. Abaide, Juan C. Vasquez and Josep M. Guerrero
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Jordan P. Sausen: Center of Excellence in Energy and Power Systems, Federal University of Santa Maria, Santa Maria 97105-900, Brazil
Alzenira R. Abaide: Center of Excellence in Energy and Power Systems, Federal University of Santa Maria, Santa Maria 97105-900, Brazil
Juan C. Vasquez: Center for Research on Microgrids, Aalborg Universitet, 9000 Aalborg, Denmark
Josep M. Guerrero: Center for Research on Microgrids, Aalborg Universitet, 9000 Aalborg, Denmark

Energies, 2022, vol. 15, issue 10, 1-18

Abstract: Advances in communication technologies and protocols among vehicles, charging stations, and controllers have enabled the application of scheduling techniques to prioritize EV fleet charging. From the perspective of users, residential EV charging must particularly address cost-effective solutions to use energy more efficiently and preserve the lifetime of the battery—the most expensive element of an EV. Considering this matter, this research addresses a residential EV charging scheduling model including battery degradation aspects when discharging. Due to the non-linear characteristics of charging and battery degradation, we consider a mixed integer non-linearly constrained formulation with the aim of scheduling the charging and discharging of EVs to satisfy the following goals: prioritizing charging, reducing charging costs and battery degradation, and limiting the power demand requested to the distribution transformer. The results shows that, when EVs are discharged before charging up within a specific state-of-charge range, degradation can be reduced by 5.3%. All charging requests are completed before the next-day departure time, with 16.35% cost reduction achieved by scheduling charging during lower tariff prices, in addition to prevention of overloading of the distribution transformer.

Keywords: electric vehicles; battery degradation; charging scheduling; optimization; transformer loading (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2022
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