Strategies Comparison for Voltage Unbalance Mitigation in LV Distribution Networks Using EV Chargers

Nájera Álvarez, Jorge and Rocha Mendonca, Hugo and Castro Fernández, Rosa María de and Rodríguez Arribas, Jaime (2019). Strategies Comparison for Voltage Unbalance Mitigation in LV Distribution Networks Using EV Chargers. "Electronics", v. 8 (n. 3); pp. 289-306. ISSN 2079-9292. https://doi.org/10.3390/electronics8030289.

Description

Title: Strategies Comparison for Voltage Unbalance Mitigation in LV Distribution Networks Using EV Chargers
Author/s:
  • Nájera Álvarez, Jorge
  • Rocha Mendonca, Hugo
  • Castro Fernández, Rosa María de
  • Rodríguez Arribas, Jaime
Item Type: Article
Título de Revista/Publicación: Electronics
Date: 2019
ISSN: 2079-9292
Volume: 8
Subjects:
Freetext Keywords: voltage unbalance; electric vehicles; LV distribution network; decentralized charging control
Faculty: E.T.S.I. Industriales (UPM)
Department: Ingeniería Eléctrica, Electrónica Automática y Física Aplicada
Creative Commons Licenses: Recognition - No derivative works - Non commercial

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Abstract

The increasing penetration of Electric Vehicles (EVs) in LV distribution networks can potentially cause voltage quality issues such as voltage unbalance and under-voltage conditions. According to the EV charger characteristics, some strategies can be adopted to mitigate the aforementioned effects. Smart decentralized charging controls seem to be a more practical solution than centralized controls, since there is no need for communication because they rely only on local measurements. The four most relevant decentralized charging strategies, two for single-phase and two for three-phase EV chargers, have been implemented in a typical three-phase four-wire European LV distribution network. Simulations have been carried out for scenarios with single-phase EV chargers, three-phase EV chargers, and a combination of both. Single-phase controls are aimed at under-voltage regulation, while three-phase controls are focused on mitigating voltage unbalance. Results show that the implementation of a decentralized EV charging control is an adequate solution for Distribution System Operators (DSOs) since it improves the reliability and security of the network. Moreover, even though decentralized charging control does not use any communication, the combination of three-phase and single-phase controls is able to mitigate voltage unbalance while preventing the under-voltage condition.

Funding Projects

TypeCodeAcronymLeaderTitle
Madrid Regional GovernmentS2013/MIT-2713SEGVAUTO-TRIES-CMUnspecifiedSeguridad de los vehículos Automóviles, por un Transporte Inteligente, Eficiente y Seguro

More information

Item ID: 65593
DC Identifier: https://oa.upm.es/65593/
OAI Identifier: oai:oa.upm.es:65593
DOI: 10.3390/electronics8030289
Official URL: https://www.mdpi.com/2079-9292/8/3/289
Deposited by: Memoria Investigacion
Deposited on: 30 Nov 2020 16:50
Last Modified: 30 Nov 2020 16:50
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