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Electronics
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New Horizons and Recent Advances of Power Electronics
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New Horizons and Recent Advances of Power Electronics

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

Deadline for manuscript submissions: 30 June 2025 | Viewed by 7393

Special Issue Editors

Prof. Dr. Salvador Pérez Litrán

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Guest Editor
Department of Electrical and Thermal Engineering, Design and Project, University of Huelva, 21007 Huelva, Spain
Interests: DC–DC converters; DC microgrid; power quality; renewable energy
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Eladio Durán Aranda

E-Mail Website
Guest Editor
Department of Electronic Engineering, University of Huelva, 21007 Huelva, Spain
Interests: electronic embedded systems; DC–DC converters
Special Issues, Collections and Topics in MDPI journals
Dr. Alejandro Pérez Vallés

E-Mail Website
Guest Editor
Department of Electrical and Thermal Engineering, Design and Project, University of Huelva, 21007 Huelva, Spain
Interests: electric power quality; analysis and measurement of power quality in conditions of asymmetry and distortion; design and control of active power conditioners
Dr. José Matas

grade E-Mail Website
Guest Editor
Electric Engineering Department, Barcelona East School of Engineering (EEBE), Polytechnic University of Catalonia (UPC), Barcelona, Spain
Interests: power electronics; power quality; grid monitoring; renewable energy systems; nonlinear control of power electronics and microgrids
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Power electronics have evolved and are fundamental to most industrial applications today. The great advances in this type of technology have given rise to systems that can be used in a wide range of powers where the number of applications is increasing, with the objectives of reducing losses and increasing reliability.

In this context, many researchers are working in power electronics on new proposals for electronic devices, their modeling and analysis, new topologies of converters, proposals for advanced control techniques, the testing and monitoring of systems, and their use in new applications.

This Special Issue is intended to cover a wide range of topics in the field of power electronics, which will be of interest to a broad number of industry professionals and academia involved in research, development, and use. The Special Issue will publish full research, reviews, and highly rated manuscripts addressing the abovementioned topic.

Prof. Dr. Salvador Pérez Litrán
Prof. Dr. Eladio Durán Aranda
Dr. Alejandro Pérez Vallés
Dr. José Matas
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Electronics is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2400 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • power electronics components
  • AC or DC power electronic converters
  • modeling and stability of power electronics
  • multilevel power electronic converters
  • power electronics control
  • power electronics testing and analysis
  • power electronic applications
  • electrical energy conversion systems
  • wireless power transfer
  • motor drives
  • power quality enhancement

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Further information on MDPI's Special Issue polices can be found here.

Published Papers (9 papers)

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Research

11 pages, 4152 KiB  
Article
A 5-Transistor CMOS Voltage Reference with Double Supply-Regulation
by Minji Jung, Kyeongmin Min, Hyunwoo Son and Youngwoo Ji
Electronics 2025, 14(3), 588; https://doi.org/10.3390/electronics14030588 - 1 Feb 2025
Viewed by 269
Abstract
This paper presents an ultra-low-power CMOS voltage reference designed and verified in an 180 nm standard CMOS technology. To achieve DC and AC supply sensitivity under 0.01%/V and −100 dB, it employs a single transistor and two 2-T cores to improve supply immunity [...] Read more.
This paper presents an ultra-low-power CMOS voltage reference designed and verified in an 180 nm standard CMOS technology. To achieve DC and AC supply sensitivity under 0.01%/V and −100 dB, it employs a single transistor and two 2-T cores to improve supply immunity with minimal overhead, adding only one drain-to-source voltage for the total supply voltage. The proposed design achieves a line sensitivity of 0.0027%/V in a supply voltage range of 0.5 V to 2 V and consumes 630 pW with a supply voltage of 0.5 V. The simulated temperature coefficient is 12 ppm/°C in a temperature range of −40 °C to 150 °C, and the simulated power supply rejection ratio is −100.5 dB at 100 Hz without requiring any output decoupling capacitor. Full article
(This article belongs to the Special Issue New Horizons and Recent Advances of Power Electronics)
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17 pages, 1064 KiB  
Article
A PFC Control Management to Improve the Efficiency of DC-DC Converters
by Fabio Cacciotto, Salvatore Torrisi, Giovanni Aiello and Santi Agatino Rizzo
Electronics 2025, 14(3), 538; https://doi.org/10.3390/electronics14030538 - 28 Jan 2025
Viewed by 465
Abstract
This paper presents a novel technique for controlling the Power Factor Correction (PFC) of a two-stage converter. The proposed solution operates the PFC in a special intermittent mode at a medium or light load. As a result, the flyback converter stage can be [...] Read more.
This paper presents a novel technique for controlling the Power Factor Correction (PFC) of a two-stage converter. The proposed solution operates the PFC in a special intermittent mode at a medium or light load. As a result, the flyback converter stage can be optimized to operate within a tight input voltage range, thus obtaining better efficiency and more compactness compared to a traditionally controlled two-stage converter. Circuit models of the converter have been developed to test the goodness of the proposed solution. Full article
(This article belongs to the Special Issue New Horizons and Recent Advances of Power Electronics)
23 pages, 6918 KiB  
Article
A Study of 500 W/250 mm Inductive Power Transfer System for Television Appliance
by Sang-Hoon Hwang, Junchen Xie, Seungjin Jo, Gang-Yoon Lee and Dong-Hee Kim
Electronics 2025, 14(2), 270; https://doi.org/10.3390/electronics14020270 - 10 Jan 2025
Viewed by 459
Abstract
This study presents the design, analysis, and experimental validation of a 500 W inductive power transfer (IPT) system with a transmission distance of 250 mm for television applications. The proposed system incorporates an innovative wireless pad design featuring a four-teeth magnetic structure and [...] Read more.
This study presents the design, analysis, and experimental validation of a 500 W inductive power transfer (IPT) system with a transmission distance of 250 mm for television applications. The proposed system incorporates an innovative wireless pad design featuring a four-teeth magnetic structure and an LCC-S compensation topology to optimize coupling coefficients, reduce copper losses, and improve overall efficiency. The system’s robustness under misalignment and load fluctuations was validated, with experimental results confirming over 80% efficiency for optimal configurations. The findings also highlight the sensitivity of the system to switching frequency variations, emphasizing the need to maintain resonance conditions for maximum power transfer. Compared to existing designs, the proposed system demonstrates superior performance in long-distance wireless power transfer, making it a promising solution for high-power applications in home appliances. Full article
(This article belongs to the Special Issue New Horizons and Recent Advances of Power Electronics)
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22 pages, 5934 KiB  
Article
Estimation of the Immunity of an AC/DC Converter of an LED Lamp to a Standardized Electromagnetic Surge
by Wiesław Sabat, Dariusz Klepacki, Kazimierz Kamuda, Kazimierz Kuryło and Piotr Jankowski-Mihułowicz
Electronics 2024, 13(23), 4607; https://doi.org/10.3390/electronics13234607 - 22 Nov 2024
Cited by 1 | Viewed by 558
Abstract
The method for estimating the immunity of an AC/DC converter built in a commercial LED lamp to a 1.2/50 µs (8/20 µs) surge has been presented in this paper. A lamp with a direct drive LED inverter was selected to present the methodology [...] Read more.
The method for estimating the immunity of an AC/DC converter built in a commercial LED lamp to a 1.2/50 µs (8/20 µs) surge has been presented in this paper. A lamp with a direct drive LED inverter was selected to present the methodology for determining the coefficient of immunity of the test object to a standardized type of surge. The choice of this configuration was important for the testing process and presentation of the methodology to estimate the immunity coefficient of the tested system. In this work, the methodology for determining the deterministic immunity factor of the model inverter to a normalized type of disturbance was presented. Considerations were carried out for a 1.2/50 µs (8/20 µs) surge in accordance with the recommendations of the EN 61000-4-5:2014 standard. This conventional surge is used in laboratory practice to test the immunity of electronic and electrical systems and devices to disturbances that can be generated in the power grid during switching processes, short circuits, and direct and indirect lightning. In the first stage of testing on test benches, the intensity of damage to the integral components of a model inverter was examined with increasing levels of disturbance. Statistical measures characterizing their impact resistance were determined for each of the elements tested. Knowing their values, the value of this coefficient was finally determined for the lamp selected for testing, and the mechanism of its damage was analyzed. Full article
(This article belongs to the Special Issue New Horizons and Recent Advances of Power Electronics)
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12 pages, 5731 KiB  
Article
A Programmable Gate Driver Module-Based Multistage Voltage Regulation SiC MOSFET Switching Strategy
by Jixiang Tan, Zhongfu Zhou and Gongjie Zou
Electronics 2024, 13(22), 4379; https://doi.org/10.3390/electronics13224379 - 8 Nov 2024
Viewed by 815
Abstract
Silicon carbide (SiC) metal-oxide semiconductor field-effect transistors (MOSFETs), as a new material, have the advantages of low drain-source resistance, high thermal conductivity, low leakage current, and high switching frequency compared with silicon (Si)-based MOSFETs. Therefore, in many industrial applications, Si MOSFETs have been [...] Read more.
Silicon carbide (SiC) metal-oxide semiconductor field-effect transistors (MOSFETs), as a new material, have the advantages of low drain-source resistance, high thermal conductivity, low leakage current, and high switching frequency compared with silicon (Si)-based MOSFETs. Therefore, in many industrial applications, Si MOSFETs have been replaced by SiC MOSFETs. However, as the switching speed increases exponentially, some problems are amplified, the most serious of which is the overshoot of current and voltage. The increase in voltage and current slope caused by high switching speeds inevitably leads to overshoot, oscillations, and additional losses in the circuit. This paper focusses on the actual performance of the optimised switching strategy (OSS) in circuit testing and combines the existing simulation results to verify the practicability of OSS. In this paper, the optimised switching strategy is introduced first, and then, the LTspice model of SiC MOSFET is established in detail and verifies the feasibility of the OSS through half-bridge circuit simulation. Finally, the test platform is built using a programmable gate drive module (2ASC-12A1HP). Through a 400 V/30 A double-pulse test, the practicality of the OSS is verified. The experiments show that the OSS can greatly improve the switching performance of SiC MOSFETs. Full article
(This article belongs to the Special Issue New Horizons and Recent Advances of Power Electronics)
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26 pages, 5070 KiB  
Article
Two-Stage Distributed Robust Optimization Scheduling Considering Demand Response and Direct Purchase of Electricity by Large Consumers
by Zhaorui Yang, Yu He, Jing Zhang, Zijian Zhang, Jie Luo, Guomin Gan, Jie Xiang and Yang Zou
Electronics 2024, 13(18), 3685; https://doi.org/10.3390/electronics13183685 - 17 Sep 2024
Viewed by 922
Abstract
The integration of large-scale wind power into power systems has exacerbated the challenges associated with peak load regulation. Concurrently, the ongoing advancement of electricity marketization reforms highlights the need to assess the impact of direct electricity procurement by large consumers on enhancing the [...] Read more.
The integration of large-scale wind power into power systems has exacerbated the challenges associated with peak load regulation. Concurrently, the ongoing advancement of electricity marketization reforms highlights the need to assess the impact of direct electricity procurement by large consumers on enhancing the flexibility of power systems. In this context, this paper introduces a Distributed Robust Optimal Scheduling (DROS) model, which addresses the uncertainties of wind power generation and direct electricity purchases by large consumers. Firstly, to mitigate the effects of wind power uncertainty on the power system, a first-order Markov chain model with interval characteristics is introduced. This approach effectively captures the temporal and variability aspects of wind power prediction errors. Secondly, building upon the day-ahead scenarios generated by the Markov chain, the model then formulates a data-driven optimization framework that spans from day-ahead to intra-day scheduling. In the day-ahead phase, the model leverages the price elasticity of the demand matrix to guide consumer behavior, with the primary objective of maximizing the total revenue of the wind farm. A robust scheduling strategy is developed, yielding an hourly scheduling plan for the day-ahead phase. This plan dynamically adjusts tariffs in the intra-day phase based on deviations in wind power output, thereby encouraging flexible user responses to the inherent uncertainty in wind power generation. Ultimately, the efficacy of the proposed DROS method is validated through extensive numerical simulations, demonstrating its potential to enhance the robustness and flexibility of power systems in the presence of significant wind power integration and market-driven direct electricity purchases. Full article
(This article belongs to the Special Issue New Horizons and Recent Advances of Power Electronics)
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13 pages, 12402 KiB  
Article
Enhanced Coil Design for Inductive Power-Transfer-Based Power Supply in Medium-Voltage Direct Current Sensors
by Seungjin Jo, Dong-Hee Kim and Jung-Hoon Ahn
Electronics 2024, 13(17), 3573; https://doi.org/10.3390/electronics13173573 - 9 Sep 2024
Viewed by 964
Abstract
This paper presents an integrated coil design method for inductive power-transfer (IPT) systems. Because a medium-voltage direct current (MVDC) distribution network transmits power at relatively high voltages (typically in the tens of kV), accurate fault diagnosis using high-performance sensors is crucial to improve [...] Read more.
This paper presents an integrated coil design method for inductive power-transfer (IPT) systems. Because a medium-voltage direct current (MVDC) distribution network transmits power at relatively high voltages (typically in the tens of kV), accurate fault diagnosis using high-performance sensors is crucial to improve the safety of MVDC distribution networks. With the increasing power consumption of high-performance sensors, conventional power supplies using optical converters with 5 W-class output characteristics face limitations in achieving the rated output power. Therefore, this paper proposes a safe and reliable power supply method using the principle of IPT to securely maintain the insulation distance between the distribution network and the current sensor-supply line. A 100 W prototype IPT system is investigated, and its feasibility is validated by comparing its performance with conventional optical converters. Full article
(This article belongs to the Special Issue New Horizons and Recent Advances of Power Electronics)
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16 pages, 5297 KiB  
Article
Isolated Gate Driver for Medium Voltage Applications Using a Single Structure
by Dante Miraglia, Carlos Aguilar and Jaime Arau
Electronics 2024, 13(17), 3368; https://doi.org/10.3390/electronics13173368 - 24 Aug 2024
Viewed by 977
Abstract
According to the International Electrotechnical Commission, medium voltage ranges from 1 kV to 36 kV. In this voltage range, the field of power electronics has been focusing on developing power converters with high efficiency. Converters for such applications include solid-state transformers, energy storage [...] Read more.
According to the International Electrotechnical Commission, medium voltage ranges from 1 kV to 36 kV. In this voltage range, the field of power electronics has been focusing on developing power converters with high efficiency. Converters for such applications include solid-state transformers, energy storage systems for vehicle charging, electric aircraft, etc. Power ranges could reach tens to hundreds of kilowatts at relatively high frequency (10–50 kHz). Currently, there are no high-frequency power semiconductors capable of switching these voltage levels. Instead of using a single power switch, a string of power switches is used. The upper switches in the string require special attention because they need the highest isolation capabilities and a floating control signal and power supply for the gate driver. Many techniques have been proposed to accomplish this, but they commonly use separate circuits for the control signal and the power supply, increasing the cost, size, and complexity of the gate driver. This paper presents a gate driver for medium voltage with high-voltage isolation capabilities in a single structure for the control signal and the power supply. The proposed gate driver uses a resonant converter that transmits power within the gate driver information. A demodulator separates the gate driver information from the power signal, obtaining the power supply and the control signal for the switch. The paper includes simulation and experimental results that demonstrate the viability of the proposal. The experimental results show the principal features of the gate driver, achieving improvements in complexity, isolation capabilities, and both rise and fall times for large input capacitances of power semiconductor switches. The proposed gate driver presents a rise time of 44 ns and a fall time of 46 ns for the gate input capacitance of currently available SiC MOSFETs. The isolation barrier uses a 25 mm air gap, achieving an isolation capability of approximately 68.2 kV, which exceeds the requirements for MV applications. Full article
(This article belongs to the Special Issue New Horizons and Recent Advances of Power Electronics)
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24 pages, 3349 KiB  
Article
Adaptive QSMO-Based Sensorless Drive for IPM Motor with NN-Based Transient Position Error Compensation
by Linfeng Sun, Jiawei Guo, Xiongwen Jiang, Takahiro Kawaguchi, Seiji Hashimoto and Wei Jiang
Electronics 2024, 13(15), 3085; https://doi.org/10.3390/electronics13153085 - 4 Aug 2024
Viewed by 1136
Abstract
In commercial electrical equipment, the popular sensorless drive scheme for the interior permanent magnet synchronous motor, based on the quasi-sliding mode observer (QSMO) and phase-locked loop (PLL), still faces challenges such as position errors and limited applicability across a wide speed range. To [...] Read more.
In commercial electrical equipment, the popular sensorless drive scheme for the interior permanent magnet synchronous motor, based on the quasi-sliding mode observer (QSMO) and phase-locked loop (PLL), still faces challenges such as position errors and limited applicability across a wide speed range. To address these problems, this paper analyzes the frequency domain model of the QSMO. A QSMO-based parameter adaptation method is proposed to adjust the boundary layer and widen the speed operating range, considering the QSMO bandwidth. A QSMO-based phase lag compensation method is proposed to mitigate steady-state position errors, considering the QSMO phase lag. Then, the PLL model is analyzed to select the estimated speed difference for transient position error compensation. Specifically, a transient position error compensator based on a feedback time delay neural network (FB-TDNN) is proposed. Based on the back propagation learning algorithm, the specific structure and optimal parameters of the FB-TDNN are determined during the offline training process. The proposed parameter adaptation method and two position error compensation methods were validated through simulations in simulated wide-speed operation scenarios, including sudden speed changes. Overall, the proposed scheme fully mitigates steady-state position errors, substantially mitigates transient position errors, and exhibits good stability across a wide speed range. Full article
(This article belongs to the Special Issue New Horizons and Recent Advances of Power Electronics)
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