Electric Power Systems and Renewable Energy Sources

A special issue of Electronics (ISSN 2079-9292). This special issue belongs to the section "Power Electronics".

Deadline for manuscript submissions: closed (15 January 2026) | Viewed by 2778

Special Issue Editors


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Guest Editor
Grupo de Sistemas Electrónicos Industriales, Departamento de Ingeniería Electrónica, Universitat Politècnica de València, Camino de Vera s/n, 46022 Valencia, Spain
Interests: power electronics; renewable energy; energy conversion
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Guest Editor
Grupo de Sistemas Electrónicos Industriales, Departamento de Ingeniería Electrónica, Universitat Politècnica de València, Camino de Vera s/n, 46022 Valencia, Spain
Interests: power electronics; renewable energy; energy conversion

Special Issue Information

Dear Colleagues,

Renewable energy is rapidly developing and evolving in tandem with advances in electronic power systems. New topologies, novel control techniques, control algorithms, and emerging semiconductor technologies all represent essential topics in the renewable energy processing industry. Potential benefits in terms of cost, efficiency, simplicity, stability, robustness, and standardization are all key factors to consider with regard to energy systems.

In modern energy conversion, topologies and algorithms are critical, so we welcome the submission of papers presenting advances in these topics for this Special Issue.

Potential topics include, but are not limited to, the following:

  • Converter topologies for renewable energy processing;
  • Communication technologies for energy resource management;
  • Advanced control techniques;
  • Control algorithms to provide stability and robustness in microgrids;
  • The management of energy storage systems;
  • The intelligent management of renewable energy resources, such as photovoltaics or wind.

Dr. Ivan Patrao
Dr. Raúl González-Medina
Guest Editors

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Keywords

  • energy conversion
  • power converters
  • renewable energy

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Published Papers (2 papers)

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Research

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21 pages, 6455 KB  
Article
Design and Implementation of a Three-Phase Buck-Boost Split-Source Inverter (BSSI)
by Yasameen Sh. Abdulhussein and Ayhan Gün
Electronics 2026, 15(4), 808; https://doi.org/10.3390/electronics15040808 - 13 Feb 2026
Viewed by 140
Abstract
The integration of renewable energy sources, including photovoltaic (PV) and fuel cell (FC) systems, into AC grids has attracted immense research interest in recent times. Furthermore, incorporating these renewable sources of energy into medium-voltage grids is garnering increased attention because of the obvious [...] Read more.
The integration of renewable energy sources, including photovoltaic (PV) and fuel cell (FC) systems, into AC grids has attracted immense research interest in recent times. Furthermore, incorporating these renewable sources of energy into medium-voltage grids is garnering increased attention because of the obvious benefits of medium-voltage integration at elevated power levels. Photovoltaic applications entail the arrangement of solar panels capable of outputting voltages up to 1.5 kV; nonetheless, fuel cells display restricted output voltage, with a maximum market range of 400 to 700 V. Hence, the efficient integration of renewable energy sources into low-voltage or medium-voltage grids demands the utilization of a step-up direct current (DC–DC) inverter and a converter for connection to the alternating current (AC) grid, in which an efficient step-up converter is critical for the medium-voltage grid. Therefore, this study presents a three-phase buck-boost split-source inverter (BSSI) that resolves the constrained output voltage of the fuel cells. This study focuses on modifying the configuration of a conventional three-phase split-source inverter (SSI) circuit by adding a few components while maintaining the inverter’s modulation. This novel circuit design enables the reduction in voltage strains on the inverter switch components and improves DC-link use in relation to a traditional SSI configuration. For an 800 bus, maximal voltage stress on the primary inverter switches is lowered when compared with the standard SSI that delivers entire DC-bus voltage to switches. A rectifier-based model is employed to simulate the behavior of a renewable energy source. Combining these advantages with the conventional modulation of the inverter offers a more effective design. The buck-boost split-source inverter (BSSI) was analyzed using three distinct modulation techniques: the sinusoidal pulse-width modulation scheme (SPWM), the third-harmonic injected pulse-width modulation (THPWM) scheme, and space vector modulation (SVM). The proposed analysis was validated through MATLAB-SIMULINK and practical outcomes on a 5.0 kW model. The practical and SIMULINK data were found to be closely aligned with the analysis. The circuit developed in this study also ensures efficient DC-to-AC conversion, specifically with regard to low-voltage sources, like fuel cells or photovoltaic (PV) systems. Full article
(This article belongs to the Special Issue Electric Power Systems and Renewable Energy Sources)
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Review

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29 pages, 2673 KB  
Review
Pulse-Width Modulation Approaches for Efficient Harmonic Suppression
by Wojciech Wojtkowski and Rafał Kociszewski
Electronics 2025, 14(13), 2651; https://doi.org/10.3390/electronics14132651 - 30 Jun 2025
Cited by 2 | Viewed by 2179
Abstract
Pulse-width modulation (PWM) and pulse-density modulation (PDM) are widely used in applications where electrical energy is delivered in a pulsed manner. Typical examples include LED (light-emitting diode) control, DC motor control, switched-mode power supplies (SMPS), and electric heating control. However, the pulsed operation [...] Read more.
Pulse-width modulation (PWM) and pulse-density modulation (PDM) are widely used in applications where electrical energy is delivered in a pulsed manner. Typical examples include LED (light-emitting diode) control, DC motor control, switched-mode power supplies (SMPS), and electric heating control. However, the pulsed operation of power switches is often associated with significant electromagnetic interference (EMI). As an alternative, stochastic pulse-density modulation (SPDM), also referred to as stochastic signal density modulation (SSDM), can be considered. This technique distributes the energy of generated harmonics over a broader frequency spectrum, thereby reducing the amplitude of individual frequency components. As a result, unwanted frequencies become easier to filter out, mitigating EMI more effectively. Full article
(This article belongs to the Special Issue Electric Power Systems and Renewable Energy Sources)
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