IEEE open journal of power electronics最新文献

High-Power, High-Repetition Short-Pulse Laser Driver Using Direct-Drive D-Mode GaN HEMT

IF 5

IEEE open journal of power electronics Pub Date : 2025-03-11 DOI: 10.1109/OJPEL.2025.3550034

Ching-Yao Liu;Chun-Hsiung Lin;Hao-Chung Kuo;Yu-Heng Hong;Edward-Yi Chang;Wei-Hua Chieng

{"title":"High-Power, High-Repetition Short-Pulse Laser Driver Using Direct-Drive D-Mode GaN HEMT","authors":"Ching-Yao Liu;Chun-Hsiung Lin;Hao-Chung Kuo;Yu-Heng Hong;Edward-Yi Chang;Wei-Hua Chieng","doi":"10.1109/OJPEL.2025.3550034","DOIUrl":"https://doi.org/10.1109/OJPEL.2025.3550034","url":null,"abstract":"This paper proposes a short-pulse laser driver using direct-drive depletion-mode gallium nitride high-electron-mobility-transistor (DDD GaN HEMT) device. Known for its low on-resistance, high switching performance, normally-off operation, and reliability, DDD GaN devices are becoming popular in power applications. In this work, an in-house D-mode GaN HEMT with a blocking voltage of 200 V and on-resistance of 18 mΩ is used in a short-pulse laser driver for the optical phased array (OPA) applications. To achieve higher spatial resolution, the laser repetition rate must be in the tens of MHz range. Therefore, the dynamic behavior of device is first characterized by the double-pulse test. Additionally, the push-pull based laser driver actively controls the load capacitor charging time and the laser pulse width, thereby ensuring stable operation at high repetition rates. The output characteristics of switch-controlled (SC) short-pulse laser driver are simplified to switch turn-on time, stray inductance, and the input voltage. Finally, the experimental results achieved a short pulse width of less than 5 ns, high repetition rate of 50 MHz, propagation delay of less than 1.5 ns and peak power of 175 W, meeting the requirements for the specified object detection application.","PeriodicalId":93182,"journal":{"name":"IEEE open journal of power electronics","volume":"6 ","pages":"474-484"},"PeriodicalIF":5.0,"publicationDate":"2025-03-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=10921718","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143748929","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Combined Frequency Control From Trains Thermal Inertia: An Assessment of Frequency Controllers Interaction

IF 5

IEEE open journal of power electronics Pub Date : 2025-03-03 DOI: 10.1109/OJPEL.2025.3547097

Jesús Araúz;Friedrich Wiegel;Simon Waczowicz;Veit Hagenmeyer;Sergio Martinez

{"title":"Combined Frequency Control From Trains Thermal Inertia: An Assessment of Frequency Controllers Interaction","authors":"Jesús Araúz;Friedrich Wiegel;Simon Waczowicz;Veit Hagenmeyer;Sergio Martinez","doi":"10.1109/OJPEL.2025.3547097","DOIUrl":"https://doi.org/10.1109/OJPEL.2025.3547097","url":null,"abstract":"The increasing introduction of power electronics into electric power systems requires more effort to maintain the stability, reliability, and security of grids. Among these, the frequency stability is worsened by the displacement of conventional generators. Demand response has been considered as an alternative to ensure grid stability. The present work proposes a combined frequency control for railway systems to support grid ancillary services without risking the circulation of trains and the comfort of passengers. In contrast to current demand response algorithms, it provides primary and secondary frequency control, and virtual inertia. In addition, due to the rising dynamics complexity in grids, this work presents a performance-based methodology to assess the interaction among frequency controllers without needing detailed models. Simulation and experimental case studies are presented to exemplify and validate the proposed method. The results demonstrate the effectiveness of the methodology in allowing a fast and low-complexity assessment. In addition, the benefits of the proposed control are demonstrated by several performance metrics. The coherence between simulation and experimental results validates the reliability and implementability of the proposed method in a real microgrid.","PeriodicalId":93182,"journal":{"name":"IEEE open journal of power electronics","volume":"6 ","pages":"464-473"},"PeriodicalIF":5.0,"publicationDate":"2025-03-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=10908639","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143698175","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

A Direct Torque Control Scheme With Integrated Commutation Torque Ripple Reduction for BLDC Motor Drives With Open-End Windings

IF 5

IEEE open journal of power electronics Pub Date : 2025-02-25 DOI: 10.1109/OJPEL.2025.3545738

Hari Krishna U;Rajeevan P P

引用次数: 0

A Soft-Switched High-Conversion-Ratio Quasi-Resonant Flying Capacitor DC–DC Converter

IF 5

IEEE open journal of power electronics Pub Date : 2025-02-24 DOI: 10.1109/OJPEL.2025.3544908

Basil G. Eleftheriades;Aleksandar Prodić

{"title":"A Soft-Switched High-Conversion-Ratio Quasi-Resonant Flying Capacitor DC–DC Converter","authors":"Basil G. Eleftheriades;Aleksandar Prodić","doi":"10.1109/OJPEL.2025.3544908","DOIUrl":"https://doi.org/10.1109/OJPEL.2025.3544908","url":null,"abstract":"This article presents a new flying capacitor-based quasi-resonant DC-DC converter topology for high step-down, low-power applications, ranging from fractions of a watt to tens of watts. The converter has a structure similar to that of a conventional three-level flying capacitor buck, but it operates in a fundamentally different manner, offering a favorable trade-off for many targeted applications. By allowing a small flying capacitor to fully charge and discharge between 0 and <inline-formula> <tex-math>$V_{in}$</tex-math></inline-formula>, using a unique switching scheme, switching losses are drastically reduced at the expense of requiring transistors rated for the full input voltage. The converter can operate in both discontinuous conduction mode (DCM) and continuous conduction mode (CCM). In DCM, soft switching is achieved on all edges, independent of operating conditions, while in CCM, soft switching occurs on most edges. The capacitor charging process causes the converter to draw a fixed amount of energy per switching cycle, resulting in a unified small-signal model and a transfer function with a <inline-formula> <tex-math>$Q_{o}$</tex-math></inline-formula> factor limited to <inline-formula> <tex-math>$1/sqrt{2}$</tex-math></inline-formula>, simplifying voltage-mode compensator design compared to standard buck solutions. The effectiveness of the introduced solution is verified through simulations and experimental prototypes, processing up to 50 W of power with varying inductor values. These prototypes were designed to explore trade-offs for different applications while maintaining a low converter volume and high power processing efficiency. Experimental results for a 48 V-to-1 V/4 A converter demonstrate peak efficiencies of 81.74% at 3 W, 87.36% for 48 V-to-2 V/10 A at 6.4 W, 89.87% for 48 V-to-3.3 V/10 A at 10.6 W, and 91.33% for 48 V-to-5 V/10 A at 16 W.","PeriodicalId":93182,"journal":{"name":"IEEE open journal of power electronics","volume":"6 ","pages":"432-448"},"PeriodicalIF":5.0,"publicationDate":"2025-02-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=10900407","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143627850","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

A Simple Carrier-Based Neutral Point Voltage Control Strategy for NPC Three-Level Inverters

IF 5

IEEE open journal of power electronics Pub Date : 2025-02-18 DOI: 10.1109/OJPEL.2025.3543247

S. Foti;C. Nevoloso;H. H. Khan;A. O. Di Tommaso;A. Testa;R. Miceli

{"title":"A Simple Carrier-Based Neutral Point Voltage Control Strategy for NPC Three-Level Inverters","authors":"S. Foti;C. Nevoloso;H. H. Khan;A. O. Di Tommaso;A. Testa;R. Miceli","doi":"10.1109/OJPEL.2025.3543247","DOIUrl":"https://doi.org/10.1109/OJPEL.2025.3543247","url":null,"abstract":"This paper proposes a simple mixed-carrier-based PWM strategy driven through a hysteresis control to address the issues related to voltage imbalances and low-frequency oscillation in the DC-link capacitors voltage. The goal of this approach is to avoid extra power losses, power quality issues and reduced lifespan of capacitors by exploiting the features of conventional dual-carrier PWM strategies. This technique offers a remarkably low computational burden, outstanding performance in terms of power quality and losses, and it does not require additional power circuits. The proposed approach is first introduced theoretically, then its performance is exhaustively assessed through simulations and experimental tests by demonstrating a significant reduction of capacitor sizing. Additionally, an experimental performance comparison analysis is performed with a conventional three-level PWM strategy. Finally, to prove its merits with respect to other carrier-based PWM strategies proposed in the literature, a comparison in terms of current and voltage transducers, control algorithm complexity, computational cost and total harmonic distortion is provided.","PeriodicalId":93182,"journal":{"name":"IEEE open journal of power electronics","volume":"6 ","pages":"416-431"},"PeriodicalIF":5.0,"publicationDate":"2025-02-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=10891821","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143563976","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Impedance-Based Stability Analysis of a Low-Inertia AC Grid Connected to a DC Grid by a VSC With Virtual Inertia Controllers

IF 5

IEEE open journal of power electronics Pub Date : 2025-02-13 DOI: 10.1109/OJPEL.2025.3541008

Ahmed M.E.I. Mohamad;Hassanien Ramadan A. Mohamed;Yasser Abdel-Rady I. Mohamed

{"title":"Impedance-Based Stability Analysis of a Low-Inertia AC Grid Connected to a DC Grid by a VSC With Virtual Inertia Controllers","authors":"Ahmed M.E.I. Mohamad;Hassanien Ramadan A. Mohamed;Yasser Abdel-Rady I. Mohamed","doi":"10.1109/OJPEL.2025.3541008","DOIUrl":"https://doi.org/10.1109/OJPEL.2025.3541008","url":null,"abstract":"The dynamics and performance of low-inertia ac grids with frequency support (e.g., droop and virtual inertia controls) have been investigated thoroughly. Recently, the dc grid concept has been considered a cost-effective and efficient option in modern power distribution systems, where one of its most valuable applications is to support the frequency and voltage of low-inertia and weak grids. However, the literature does not fully address a comprehensive stability analysis and performance assessment of a low-inertia system supported by a dc grid. Therefore, this paper presents a thorough yet straightforward dc-side impedance-based stability analysis of a low-inertia ac grid connected to a dc grid via a bidirectional voltage-source converter (VSC) equipped with a virtual inertia controller to improve the ac grid frequency behavior. In the proposed virtual inertia control, low-pass and high-pass filter implementations are investigated, and their performance is compared. The dc-side equivalent impedance models are developed for the 1) interlinking VSC combined with its ac grid, considering virtual inertia control and typical ac grid components: synchronous generators (with their turbine, governer, and exciter models), induction motor loads, and static loads, and 2) dc grid considering its practical components: distributed generators, constant-power loads, and resistive loads. Therefore, unlike previous methods, the proposed impedance modeling and stability analysis approach considers the impacts of the ac grid frequency/voltage dynamics and dc grid dynamics on the VSC dc-bus stability. Impedance interactions are characterized and used to assess the overall system dynamics and stability and the impacts of the system and control parameters. The analytical results are validated by detailed offline and real-time simulation studies.","PeriodicalId":93182,"journal":{"name":"IEEE open journal of power electronics","volume":"6 ","pages":"485-503"},"PeriodicalIF":5.0,"publicationDate":"2025-02-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=10884886","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143792867","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Decoupling Current Ripple in PHIL PMSM Emulation Using LCL Filter: A Fundamental Frequency Analysis

IF 5

IEEE open journal of power electronics Pub Date : 2025-02-13 DOI: 10.1109/OJPEL.2025.3541836

Nícolas Baschera;Marco Di Benedetto;Alessandro Lidozzi;Luca Solero;Petar J. Grbović

{"title":"Decoupling Current Ripple in PHIL PMSM Emulation Using LCL Filter: A Fundamental Frequency Analysis","authors":"Nícolas Baschera;Marco Di Benedetto;Alessandro Lidozzi;Luca Solero;Petar J. Grbović","doi":"10.1109/OJPEL.2025.3541836","DOIUrl":"https://doi.org/10.1109/OJPEL.2025.3541836","url":null,"abstract":"The traditional machine test benches are known for their inflexibility, safety concerns, weight, and cost. The adoption of Power Hardware-in-the-Loop (PHIL) has been appearing as an enhanced technique to test and validate control algorithms and hardware of Variable Speed Drives (VSDs) for electrical machines. This paper presents the use of the PHIL for the emulation of a Permanent Magnet Synchronous Machine (PMSM) using an LCL coupling network with voltage control. The principle of operation, modeling and control structures are presented in detail. The presented strategy allows the Electrical Machine Emulator (EME) to decouple the low fundamental frequency of the machine from the high frequency (current ripple) of the Device Under Test (DUT) during its operation. The use of different inductances for the reproduction of a machine with a fixed synchronous inductance is addressed in detail, besides the consequences on the current ripple. The theoretical work is supported and validated through experimental tests using an FPGA-Based Real Time Simulator and dedicated control boards (PED-Board).","PeriodicalId":93182,"journal":{"name":"IEEE open journal of power electronics","volume":"6 ","pages":"401-415"},"PeriodicalIF":5.0,"publicationDate":"2025-02-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=10884891","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143535562","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

DC Bus Voltage High-Frequency Disturbances Analysis for DC Microgrids With Long Connections

IF 5

IEEE open journal of power electronics Pub Date : 2025-02-10 DOI: 10.1109/OJPEL.2025.3540347

Debora P. Damasceno;Paolo Sbabo;Mateus P. Dias;José C. U. Peña;Joel Filipe Guerreiro;Paolo Mattavelli;José Antenor Pomilio

{"title":"DC Bus Voltage High-Frequency Disturbances Analysis for DC Microgrids With Long Connections","authors":"Debora P. Damasceno;Paolo Sbabo;Mateus P. Dias;José C. U. Peña;Joel Filipe Guerreiro;Paolo Mattavelli;José Antenor Pomilio","doi":"10.1109/OJPEL.2025.3540347","DOIUrl":"https://doi.org/10.1109/OJPEL.2025.3540347","url":null,"abstract":"This article examines high-frequency disturbances in interconnected converters within dc microgrids, focusing on the effects of electromagnetic interference (EMI) filters and long interconnection cables. Understanding these phenomena is essential for systems with multiple power converters as it facilitates the identification and mitigation of voltage and current oscillations. The study investigates the beating effect in dc microgrids, providing an analytical derivation of the oscillation amplitudes at the beat frequency. It also explores how interactions between long cables inductive impedance and EMI filter capacitors can influence the system performance, distinguishing it from previous works. The study examines a dc microgrid consisting of two connected cascaded buck converters. Two scenarios are analyzed: one considers no filters between the two converters, while the other includes a low-pass filter (LPF), an EMI filter, and a cable feeder between them. The proposed theoretical models are validated using a 2 kW experimental prototype comprising two interconnected buck converters. In addition, the paper presents various strategies to mitigate the beating effect in dc microgrids, discussing their effectiveness and the associated implementation challenges.","PeriodicalId":93182,"journal":{"name":"IEEE open journal of power electronics","volume":"6 ","pages":"371-382"},"PeriodicalIF":5.0,"publicationDate":"2025-02-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=10878503","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143480795","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Parasitic Capacitances in Magnetic Components: Overview and Perspectives

IF 5

IEEE open journal of power electronics Pub Date : 2025-02-10 DOI: 10.1109/OJPEL.2025.3540079

Shaokang Luan;Hongbo Zhao

引用次数: 0

An Accurate SiC MOSFET Transient Modeling Method for the FPGA-Based Real-Time Simulation of Power Electronic Converters

IF 5

IEEE open journal of power electronics Pub Date : 2025-02-07 DOI: 10.1109/OJPEL.2025.3538881

Shinan Wang;Xizheng Guo;Yueqing Chen;Zonghui Sun;Xiaojie You

{"title":"An Accurate SiC MOSFET Transient Modeling Method for the FPGA-Based Real-Time Simulation of Power Electronic Converters","authors":"Shinan Wang;Xizheng Guo;Yueqing Chen;Zonghui Sun;Xiaojie You","doi":"10.1109/OJPEL.2025.3538881","DOIUrl":"https://doi.org/10.1109/OJPEL.2025.3538881","url":null,"abstract":"This article proposes a silicon carbide (SiC) MOSFET transient model on the field programmable gate array (FPGA), which is suitable for the real-time simulation (RTS) of power electronic converters. The model describes the transient process with state equations, which is segmented by the time-scale, and achieves accurate simulation results with small time-step. Compared with the existing research that simplifies SiC MOSFET model in the RTS implementation process, the proposed modeling method not only considers the hard-switching process caused by insufficient deadtime, and the special switching mode that the channel turn-off precedes the antiparallel diode turn-on in opposite device, but also fits the nonlinear characteristics of the SiC MOSFET through look-up tables (LUTs). In addtion, the parallel solution structure of the FPGA-based RTS model is completed through hardware optimization design scheme. Combined with circuit decoupling technology, the model can be solved by the Backward Euler (BE) discretization method with time-step of 10 ns. Subsequently, the effectiveness and accuracy of the modeling method are validated by the simulation and hardware experiments.","PeriodicalId":93182,"journal":{"name":"IEEE open journal of power electronics","volume":"6 ","pages":"344-353"},"PeriodicalIF":5.0,"publicationDate":"2025-02-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=10877787","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143480799","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0