Power Quality Analysis for Light-Duty Electric Vehicles: A Case Study in Malta

Kris Scicluna (), Brian Azzopardi and Kurt Spiteri
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Kris Scicluna: Institute of Engineering & Transport, Malta College of Arts, Science and Technology, PLA 9032 Paola, Malta
Brian Azzopardi: Institute of Engineering & Transport, Malta College of Arts, Science and Technology, PLA 9032 Paola, Malta
Kurt Spiteri: Institute of Engineering & Transport, Malta College of Arts, Science and Technology, PLA 9032 Paola, Malta

Energies, 2023, vol. 16, issue 15, 1-13

Abstract: This paper presents a power quality analysis for multiple electric vehicle charging stations of the AC-Level 2 type in a real-life case study. The data was collected with a power quality analyzer that measured the main distribution system feeding nine 7 kW charging stations in a commercial site with light-duty vehicles in Malta, Europe. The relevance of this study to the specific case of Malta is accentuated by the topological challenges of the country; high density of road vehicles, with 18,000 vehicles for each square kilometer; and ambitious targets of reaching carbon neutrality by 2050. Data were collected over six days on an actual charging system with real-life charging patterns. Various results are presented in this paper, including three-phase system voltages and currents, individual harmonic voltage and current components, total harmonic distortion and total current demand distortion. These measurements were compared with standardized thresholds for low-voltage equipment used in public spaces, mainly as stated in IEEE 519-2014.

Keywords: electric vehicle; charging; power quality; harmonic analysis; Type 2 chargers; total harmonic distortion (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2023
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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