Cited by 17Electric Vehicles and InfrastructureOptimal Power Flow DistributionPower Transformer Diagnostics and Insulation

The DOI matches its Crossref record; 17 of the 17 references it cites were found in a registry or an index.

Impact on Distribution Transformer Life Using Electric Vehicles with Long-Range Battery Capacity

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Abstract

This paper presents a comparative analysis of the effects of short-range and long-range electric vehicles charging on transformer life. Long-range vehicles are expected to become more common in the future. They have higher battery capacity and charge at higher power levels, modifying demand profile. A probabilistic analysis is performed using the Monte Carlo Simulation, evaluating the transformer hottest-spot temperature and the aging acceleration factor. Residential demand is modeled based on real electricity measurements, and EVs’ demand is modeled based on real data collected from a trial project developed in the United Kingdom. Simulations are conducted considering the influence of ambient temperature analyzing summer and winter seasons and several EV penetration levels. Results show the impacts caused by long-range vehicles are more severe because they charge at higher power levels, especially during winter, when residential demand is higher. For penetration level of 50% during summer, the use of long-range EVs brings a minimum equivalent aging factor of 5.2, which means the transformer aged 124.8 h in a cycle of only 24 h, decreasing its lifetime.

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Crossref · 10.3390/en16124810

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Cites

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Research works printed but not linked: 1

  1. (2012). IEEE Guide for Loading Mineral-Oil-Immersed Transformers and Step-Voltage Regulators (Standard No. C57.91-2011).

Metadata

Authors
Barros, A. M. P., Angelim, J. H., & Affonso, C. M.
Affiliations
Universidade Federal do Pará (BR)
Corresponding author
Affonso, Carolina M.
Venue
Energies
Publisher
MDPI AG
Published
2023-06-20
Volume
16
Issue
12
Pages
4810
ISSN
1996-1073 (ISSN-L)
OpenAlex
W4381434613
Cited by
12
References
17
Citations by year
2026: 4 · 2025: 6 · 2024: 2
FWCI
0.89
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)
Funders
PROPESP/UFPA (PAPQ) and CNPQ, Brazil
Topics
  • Physical Sciences › Engineering › Electrical and Electronic Engineering › Electric Vehicles and Infrastructure
  • Physical Sciences › Engineering › Electrical and Electronic Engineering › Optimal Power Flow Distribution
  • Physical Sciences › Engineering › Electrical and Electronic Engineering › Power Transformer Diagnostics and Insulation
Keywords
electric vehicles, distribution transformers, transformer life, transformer aging, hot spot temperature, electric vehicle charging, EV penetration, residential electricity demand, seasonal effects, ambient temperature

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