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Advanced Power Converters for Electric Vehicle Charging and Medium-Voltage Applications

A special issue of Energies (ISSN 1996-1073). This special issue belongs to the section "E: Electric Vehicles".

Deadline for manuscript submissions: 10 June 2026 | Viewed by 3124

Special Issue Editor


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Guest Editor
Department of Electronic and Electrical Engineering, Swansea University, Swansea, UK
Interests: power electronics; renewable energy systems; power quality and active power filters; energy management; micro/smart-grids

Special Issue Information

Dear Colleagues,

The rapid electrification of transportation and the growing integration of renewable energy sources are driving significant advances in power electronic converters. In particular, electric vehicle (EV) charging infrastructure and medium-voltage (MV) power systems demand highly efficient, compact, and reliable converter technologies. Innovations in wide bandgap semiconductors (e.g., SiC and GaN), advanced control strategies, and grid-interactive functionalities are essential to meet emerging performance, cost, and scalability requirements.

This Special Issue highlights recent advances in power converters for EV charging (onboard/offboard) and medium-voltage applications, including distribution systems, renewables, and industrial drives. Contributions on modelling, control, hardware design, grid compliance, and reliability are welcome, with both theoretical and experimental work encouraged.

Topics of interest include (but are not limited to) the following:

  • High-efficiency and high-power-density EV chargers (AC/DC and DC/DC);
  • Bidirectional converters for vehicle-to-grid (V2G) and grid-to-vehicle (G2V) systems;
  • Multi-level and modular converter topologies for MV applications;
  • Control and modulation techniques for fast charging and MV converters;
  • The integration of wide bandgap devices (SiC and GaN) and hybrid modules;
  • Medium-voltage DC (MVDC) architectures and protection schemes;
  • Grid-forming, grid-following, and fault-tolerant control strategies;
  • Electromagnetic compatibility (EMC) and thermal management in high-power systems;
  • Standards, testing, and compliance for EV charging and MV converters;
  • Hardware-in-the-loop (HIL) testing and digital twin approaches for validation.

Dr. Mohammad Monfared
Guest Editor

Manuscript Submission Information

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Keywords

  • electric vehicle charging
  • bidirectional converters
  • medium-voltage converters
  • wide bandgap semiconductors
  • renewable energy integration
  • smart grid interface

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Published Papers (2 papers)

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Research

19 pages, 3543 KB  
Article
Dynamic Performance Optimization of Sensorless PMSM System with Low Switching Frequency Based on Improved Deadbeat Control PLL
by Fengjiang Wu, Jiaze Pan, Chengjing Yu, Jianyong Su and Guizhong Wang
Energies 2026, 19(7), 1660; https://doi.org/10.3390/en19071660 - 27 Mar 2026
Viewed by 452
Abstract
The dynamic performance of sensorless PMSM control systems at low switching frequency is suboptimal due to issues such as position estimation error with proportional-intregral (PI)-based phase-locked loops (PLLs) and the inaccuracy of the system model. To solve this problem, this article first proposes [...] Read more.
The dynamic performance of sensorless PMSM control systems at low switching frequency is suboptimal due to issues such as position estimation error with proportional-intregral (PI)-based phase-locked loops (PLLs) and the inaccuracy of the system model. To solve this problem, this article first proposes an improved PLL based on a deadbeat controller with a damping factor (DDCPLL). It rapidly converges the estimated rotor position to the actual position during speed transients while ensuring the smoothness of the estimated speed. This approach reduces the number of undetermined coefficients from two in traditional methods to one, simplifying the structure and facilitating implementation. Additionally, to address the current cross-coupling issues in traditional current control strategies at low switching frequencies, a novel controller was directly designed based on the discrete-domain model of the PMSM. Then, by integrating the proposed DDCPLL, a discrete-domain model of the entire positionless control system was established. The parameters of the speed controller are optimized to further enhance the system’s dynamic response performance. Furthermore, the robustness of the system under speed estimation errors and motor parameter variations is analyzed. The results demonstrate that the proposed control system maintains good robustness despite the presence of speed estimation errors and parameter mismatches. The effectiveness and feasibility of the proposed PLL and control strategy are demonstrated by detailed results. Full article
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17 pages, 6420 KB  
Article
Virtual Oscillator Control for Grid-Forming Inverters: Recent Advances, Comparative Evaluation, and Small-Signal Analysis
by Hamed Rezazadeh, Mohammad Monfared, Meghdad Fazeli and Saeed Golestan
Energies 2025, 18(22), 5981; https://doi.org/10.3390/en18225981 - 14 Nov 2025
Cited by 3 | Viewed by 2208
Abstract
The increasing penetration of renewable energy and electric vehicles (EVs) has intensified the need for grid-forming (GFM) inverters capable of supporting frequency and voltage stability. Virtual Oscillator Control (VOC) has recently emerged as a promising time-domain GFM strategy due to its fast dynamics [...] Read more.
The increasing penetration of renewable energy and electric vehicles (EVs) has intensified the need for grid-forming (GFM) inverters capable of supporting frequency and voltage stability. Virtual Oscillator Control (VOC) has recently emerged as a promising time-domain GFM strategy due to its fast dynamics and autonomous synchronisation capability. This paper presents a comprehensive analysis of recent VOC developments, focusing on the Andronov–Hopf Oscillator (AHO) and its variants. A comparative overview of different VOC structures highlights their capabilities in providing essential services such as dispatchability, fault ride-through (FRT), virtual inertia, and damping. A generalised small-signal state-space model is developed to assess the influence of virtual inertia, grid impedance, and control parameters on transient performance, which is essential for optimal parameter design and controller tuning in various applications. Experimental validation using a 2.5 kVA single-phase inverter shows excellent agreement with theoretical predictions. The results confirm that while increased virtual inertia enhances frequency stability, it also introduces oscillations that can be effectively mitigated through damping enhancement. Furthermore, the experiments demonstrate that advanced AHO-based strategies successfully deliver vehicle-to-grid (V2G) and vehicle-to-home (V2H) services, confirming their practical applicability in future EV-integrated and renewable-rich power systems. Full article
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