<abstract xmlns="http://www.w3.org/1999/xhtml">

<p>Voltage unbalance and voltage variations are common issues in low voltage distribution networks caused by unbalanced connection of single-phase loads and electric vehicles (EVs) among phases. Part of the real low voltage grid in Bosnia and Herzegovina, in the vicinity of the town of Tešanj, was analysed. The impact on single-phase consumer and single-phase EVs penetration was analysed. The grid was modelled using DIgSILENT PowerFactory software. Three cases of the distribution of consumers by phases were analysed. Each of the three cases is expanded with four scenarios depending on the penetration of EV into the grid. Results showed that none of the twelve scenarios remained within the permissible limits of −10% voltage variation limit of EN 50160 for phase A. Seven of the twelve scenarios exceeded voltage unbalance limits +2% according to EN 50160.</p>
</abstract>

Voltage unbalance and voltage variations are common issues in low voltage distribution networks caused by unbalanced connection of single-phase loads and electric vehicles (EVs) among phases. Part of the real low voltage grid in Bosnia and Herzegovina, in the vicinity of the town of Tešanj, was analysed. The impact on single-phase consumer and single-phase EVs penetration was analysed. The grid was modelled using DIgSILENT PowerFactory software. Three cases of the distribution of consumers by phases were analysed. Each of the three cases is expanded with four scenarios depending on the penetration of EV into the grid. Results showed that none of the twelve scenarios remained within the permissible limits of −10% voltage variation limit of EN 50160 for phase A. Seven of the twelve scenarios exceeded voltage unbalance limits +2% according to EN 50160.

Analysis of the Impact of Unbalanced Connection of Consumers and Electric Vehicles on Voltage Variation and Voltage Unbalance

B&H Electrical Engineering

This work is licensed under the Creative Commons Attribution 4.0 International License.

Voltage unbalance and voltage variations are common issues in low voltage distribution networks caused by unbalanced connection of single-phase loads and...

Analysis of the Impact of Unbalanced Connection of Consumers and Electric Vehicles on Voltage Variation and Voltage Unbalance

Article Category: Original scientific paper

Published Online: Jun 22, 2024

Page range: 1 - 11

Received: Jan 10, 2024

Accepted: May 27, 2024

DOI: https://doi.org/10.2478/bhee-2024-0001

Keywords
electric vehicle, voltage unbalance, consumer, voltage, phase

© 2024 Jasmina Bešić et al., published by Sciendo

This work is licensed under the Creative Commons Attribution 4.0 International License.

Analysis of the Impact of Unbalanced Connection of Consumers and Electric Vehicles on Voltage Variation and Voltage Unbalance

Article Category: Original scientific paper

Published Online: Jun 22, 2024

Page range: 1 - 11

Received: Jan 10, 2024

Accepted: May 27, 2024

DOI: https://doi.org/10.2478/bhee-2024-0001

Keywordselectric vehicle, voltage unbalance, consumer, voltage, phase

© 2024 Jasmina Bešić et al., published by Sciendo

This work is licensed under the Creative Commons Attribution 4.0 International License.

Keywords
electric vehicle, voltage unbalance, consumer, voltage, phase