Cited by 1,268Electric Vehicles and InfrastructureSmart Grid Energy ManagementOptimal Power Flow Distribution

Modeling of Load Demand Due to EV Battery Charging in Distribution Systems

Qian, Kejun, Zhou, Chengke, Allan, Malcolm, Yuan, Yue·2011·IEEE Transactions on Power Systems

Abstract

This paper presents a methodology for modeling and analyzing the load demand in a distribution system due to electric vehicle (EV) battery charging. Following a brief introduction to the common types of EV batteries and their charging characteristics, an analytical solution for predicting the EV charging load is developed. The method is stochastically formulated so as to account for the stochastic nature of the start time of individual battery charging and the initial battery state-of-charge. A comparative study is carried out by simulating four EV charging scenarios, i.e., uncontrolled domestic charging, uncontrolled off-peak domestic charging, “smart” domestic charging and uncontrolled public charging-commuters capable of recharging at the workplace. The proposed four EVs charging scenarios take into account the expected future changes to the electricity tariffs in the electricity market place and appropriate regulation of EVs battery charging loads. A typical U.K. distribution system is adopted as an example. The time-series data of EV charging loads is taken from two commercially available EV batteries: lead-acid and lithium-ion. Results show that a 10% market penetration of EVs in the studied system would result in an increase in daily peak demand by up to 17.9%, while a 20% level of EV penetration would lead to a 35.8% increase in peak load, for the scenario of uncontrolled domestic charging-the “worst-case” scenario.

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Crossref · 10.1109/tpwrs.2010.2057456

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Authors
Qian, K., Zhou, C., Allan, M., & Yuan, Y.
Affiliations
  • Glasgow Caledonian University (GB)
  • Hohai University (CN)
Venue
IEEE Transactions on Power Systems
Published
2011-05
Volume
26
Issue
2
Pages
802-810
ISSN
  • 0885-8950 (ISSN-L)
  • 1558-0679
OpenAlex
W2114461427
Cited by
1,268
References
1
Citations by year
2026: 41 · 2025: 71 · 2024: 84 · 2023: 92 · 2022: 95 · 2021: 102 · 2020: 96 · 2019: 85 · 2018: 98 · 2017: 94 · 2016: 99 · 2015: 86 · 2014: 87 · 2013: 59 · 2012: 66
FWCI
34.81
Type
journal article
Language
en
Open access
closed
Locations
  • IEEE Transactions on Power Systems (publishedVersion)
  • ResearchOnline (Glasgow Caledonian University) (acceptedVersion)
Topics
  • Physical Sciences › Engineering › Electrical and Electronic Engineering › Electric Vehicles and Infrastructure
  • Physical Sciences › Engineering › Electrical and Electronic Engineering › Smart Grid Energy Management
  • Physical Sciences › Engineering › Electrical and Electronic Engineering › Optimal Power Flow Distribution
Keywords
electric vehicle charging, distribution systems, peak load, EV penetration, stochastic load modeling, state of charge, smart charging, off-peak charging, workplace charging, lead-acid batteries, lithium-ion batteries, electricity tariffs, load demand prediction

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