Cited by 83Electric Vehicles and InfrastructureSmart Grid Energy ManagementOptimal Power Flow Distribution

Probabilistic Modeling of Electric Vehicle Charging Pattern Associated with Residential Load for Voltage Unbalance Assessment

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Ul-Haq, Azhar, Azhar, Marium, Mahmoud, Yousef, Perwaiz, Aqib, Al-Ammar, Essam·2017·Energies

Abstract

It has been recognized that an increased penetration of electric vehicles (EVs) may potentially alter load profile in a distribution network. As EVs are regarded as a diversely distributed load so a deterministic method, to predict EV charging load, may not account for all possible factors that could affect the power system. Thus, a stochastic approach is applied that takes into account various realistic factors such as EV battery capacity, state of charge (SOC), driving habit/need, i.e., involving type and purpose of trip, plug-in time, mileage, recharging frequency per day, charging power rate and dynamic EV charging price under controlled and uncontrolled charging schemes. A probabilistic model of EVs charging pattern associated with residential load profile is developed. The probabilistic model gives an activity based residential load profile and EV charging pattern over a period of 24 h. Then, the model output is used to assess the power quality index such as voltage unbalance factor under different electric vehicle penetration levels at different nodes of the system. An uneven EV charging scenario is identified that could cause the voltage unbalance to exceed its permissible limit.

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Authors
Ul-Haq, A., Azhar, M., Mahmoud, Y., Perwaiz, A., & Al-Ammar, E.
Affiliations
  • National University of Sciences and Technology (PK)
  • Lahore College for Women University (PK)
  • Worcester Polytechnic Institute (US)
  • Department of Electrical Engineering, King Saud University, Riyadh 12372, Saudi Arabia
Corresponding author
Ul-Haq, Azhar
Venue
Energies
Publisher
MDPI AG
Published
2017-09-07
Volume
10
Issue
9
Pages
1351
ISSN
1996-1073 (ISSN-L)
OpenAlex
W2753450224
Cited by
83
References
38
Citations by year
2026: 4 · 2025: 7 · 2024: 6 · 2023: 12 · 2022: 20 · 2021: 5 · 2020: 13 · 2019: 6 · 2018: 10
FWCI
3.30
Type
journal article
Language
en
Open access
Locations
  • Energies (publishedVersion, cc-by)
  • RePEc: Research Papers in Economics (submittedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
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, charging behavior, household load profiles, voltage unbalance, stochastic modeling, stochastic load modeling, EV penetration, power quality, state of charge, distribution networks

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