Design and Development of Three-Phase Two-Level Unidirectional Rectifiers for EV Chargers Using SVPWM and a Voltage-Oriented Controller
Received: 26 June 2025 | Revised: 7 August 2025 and 22 August 2025 | Accepted: 26 August 2025 | Online: 6 October 2025
Corresponding author: Worawat Sa-ngiamvibool
Abstract
The rapid increase in Electric Vehicles (EVs) and the subsequent rise in demand for fast charging infrastructure has emphasized the need for high-performance, efficient rectifiers that adhere to the Power Quality (PQ) standards. This study's primary objective is to design and develop Three-Phase, Two-Level, Unidirectional Rectifiers (3P-2L-URs) for 800V EV chargers. These rectifiers are available in Wye, Delta, and Bridge topologies. To enhance the input PQ and assess the output performance, a control strategy that integrates Voltage-Oriented Control (VOC)-based decoupled controllers with Space Vector Pulse Width Modulation (SVPWM) is proposed. Analytical expressions were used for three-phase modulation signals for each topology and the switching control was designed to minimize the switching losses using a five-segment switching sequence technique. MATLAB/Simulink was deployed to verify the performance of each topology. All topologies met the IEEE 519 and IEC 61000-3 standards, attaining sinusoidal input currents with Total Harmonic Distortion (THD) below 5% and Power Factors (PF) above 99.90%. The Three-Phase, Two-Level, Wye-type, Unidirectional Rectifier (3P-2L-Wye-UR) exhibited the greatest output performance with the lowest voltage and current ripples, making it the most promising solution for high-efficiency EV fast charging applications.
Keywords:
three-phase rectifier, SVPWM, voltage-oriented control, electric vehicle charger, power qualityDownloads
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Copyright (c) 2025 Ongard Tubburee, Chonlatee Photong, Niwat Angkawisittpan, Kanyarat Ek-iam, Worawat Sa-ngiamvibool

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