Development of Smart Charging Scheduling and Power Management Strategy of a PV-ESS based Scalable EV Charging Station

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Abstract

This paper describes smart power management and charging scheduling strategy for a multiple port electric vehicle (EV) charging station, connected to battery storage systems and renewable energy sources. The charging station can charge different types of EVs, like electric scooters and passenger cars at different power levels. The energy management optimizes the usage of the power sources to fulfill the charging demand by analyzing the overall load demand, the electricity tariff, and the information provided by the EV user. The station's control system is set up to satisfy the charging demand primarily with a solar photovoltaic (PV) array and an energy storage system (ESS) as a battery. In the case of PV power generation and battery power shortage, it draws power from the grid to fulfill the charging demand. Additionally, a charging scheduling strategy is described in this paper in which the charging current setpoint for each charger is estimated by an optimization process in the local charger controller. The overall system management and charging scheduling are simulated and verified in the MATLAB/Simulink environment.
Original languageEnglish
Pages (from-to)1240-1247
Number of pages8
JournalTransportation Research Procedia
Volume72
Issue number2023
DOIs
Publication statusPublished - 2023
EventTRA - Transport Research Arena Conference Lisbon 2022 - Lisbon Congress Center, Lisbon, Portugal
Duration: 14 Nov 202217 Nov 2022
https://traconference.eu/

Bibliographical note

Funding Information:
This work was supported by the Horizon 2020 Programme of the European Commission under grant agreement no. 875131 (eCharge4Driver project). We, as authors, also acknowledge Flanders Make for the support to our research group.

Publisher Copyright:
© 2023 The Authors. Published by ELSEVIER B.V. This is an open access article under the CC BY-NC-ND license (https://creativecommons.org/licenses/by-nc-nd/4.0)

Keywords

  • electric vehicle (EV)
  • power management
  • smart charging scheduling
  • modular
  • scalable
  • PV
  • ESS

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