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Power Electronic Devices and Components
Scopus
ISSN 2772-3704 · Elsevier · 131 artikel di indeks
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Artikel Jurnal
Review of gate driver integrated gate-oxide health monitoring for SiC MOSFETs: Methods, challenges, and perspectives
The reliability issue of gate oxide of silicon carbide (SiC) metal-oxide-semiconductor field-effect transistor (MOSFET) is still a bottleneck for its wide spread in high-efficiency, high-temperature, and high-frequency power electronics applications, especially where system reliability is critical…
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Artikel Jurnal
Simulation and experimental analysis of layout-dependent thermal performance of PCB-embedded resistive heating elements
This study examines advanced thermal management strategies for printed circuit boards (PCBs) with embedded heating elements, focusing on minimizing heat propagation toward temperature-sensitive components. The research investigates how design and material modifications influence thermal containment…
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Artikel Jurnal
Stacked high voltage aluminum polymer capacitor without separator, realization and evaluation at 450V
This work presents a high voltage polymer aluminum electrolytic capacitor design without a paper separator, realized with PEDOT:PSS as electrolyte and evaluated up to 450V. Comparative testing against a conventional separator-based prototype shows significant ESR benefits at high frequencies, while…
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Artikel Jurnal
Planning urban EV charging stations with GIS based multi-criteria decision making
With the accelerating adoption of electric vehicles (EV), strategic planning of charging infrastructure has become a critical component of sustainable urban mobility. The current EV charging points can be inadequately equipped to meet the rapidly increasing battery charging demand of EVs…
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Artikel Jurnal
Three-Phase Active Split-Source Inverter with step-up/step-down DC bus voltage capabilities for traction application
This paper proposes a new single-stage DC-AC inverter with both step-up and step-down DC bus voltage capability. In a two-level inverter, low-speed operating points result in low modulation index values and poor efficiency. The proposed topology introduces a step-down mode, allowing the motor to be…
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Artikel Jurnal
Limitations of current-optimal Dual Active Bridge modulation strategies
In this article a novel frequency domain-based numerical optimization algorithm is developed to calculate multi-variable PWM control strategies for the Dual Active Bridge that optimize the RMS current circulating in the linkage inductor. The algorithm is adaptable to the number of harmonics for…
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Artikel Jurnal
Modeling of nanocrystalline common-mode chokes with custom shape by simulation-based extraction of electromagnetic material properties
Knowing the complex relative permeability and permittivity of a ferrite or nanocrystalline core material is crucial to predict the insertion impedance of common-mode chokes. In practice, however, the material properties are often not known across the full desired frequency range. Additionally…
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Artikel Jurnal
Magnetic field measurement for contactless current sensing in power electronic converters
Current sensing plays an important role in power electronics, for both protection and control of power electronic converters. This paper proposes an approach for detecting short-circuit (SC) events through the measurement of the magnetic field radiated by power converters. Two magnetic field sensor…
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Artikel Jurnal
Sensorless IPMSM drive with open-loop model-based parameter identification and Hessian-tuned estimator gains
This article presents a position-sensorless Interior Permanent Magnet Synchronous Machine (IPMSM) drive scheme that incorporates an open-loop stator current predictor to identify electrical parameters and improve observer performance. Unlike classical observers, the proposed open-loop, full-order…
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Artikel Jurnal
Investigation on the short-circuit behavior of HV-SiC-MOSFETs in quasi series connection
This paper investigates the short-circuit behavior of SiC MOSFETs in a quasi series connection, a scenario that can be found in more complex topologies, but also in simple two-level phase legs. Besides a theoretical analysis, short-circuit tests for such scenarios are carried out with…
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Artikel Jurnal
An improved balanced cascaded buck–boost converter topology for a wide input voltage range and reduced conducted interference
This paper discusses an advanced version of the balanced cascaded buck–boost converter, which achieves a better voltage balancing of the converter with respect to ground. This leads to a broadly improved input and output common mode behavior of the non-isolated topology compared to the unbalanced…
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Artikel Jurnal
A digital twin for predicting the solder degradation lifetime of a GaN eHEMT integrated power module under power cycling conditions
Novel packaging designs eliminate bond wires in GaN eHEMTs power modules for high-frequency applications, making solders another critical packaging failure point due to thermomechanical fatigue. This study presents a digital twin (DT) to predict the power module lifetime by considering solder…
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Artikel Jurnal
Real-time power loss optimized operation of a solid state transformer by utilizing the common-mode voltage
This article presents a general methodology and a real-time capable, analytically solvable model for minimizing the total power losses of a modular Solid-State Transformer (SST). The approach leverages the inherent Degree of Freedom (DoF) offered by the common-mode (CM) voltage ucm in three-phase…
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Artikel Jurnal
Gigahertz, low-cost current shunt with retrofitting capability for characterization of fast-switching GaN devices
A low-cost current shunt based on a flexible polyimide printed circuit board (PCB) design is proposed in this article. With its low insertion inductance in the range of 300pH and bandwidth in excess of 1GHz, the design is well suited for characterization of very fast GaN devices. The thin…
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Artikel Jurnal
Multi-objective GPR-based design optimization of high frequency transformers
FEA-based design optimization of high frequency transformers (HTSs) are by far more accurate but they come at huge computational cost. This paper presents a Gaussian Process Regression-based multiobjective design optimization technique for HFTs. The GPR model is formulated mathematically and…
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Artikel Jurnal
Failure modes and remedies of a solid-state low voltage DC circuit breaker through 3,000,000＋ operation cycles
This paper reports and analyzes the failure modes of a 1.2 kV low voltage (LV) solid-state dc circuit breaker (DCCB) over 3,000,000＋ opening operations. The motivation of this work is to study the assembly and component reliability of such a DCCB with real-world operational stress. To achieve the…
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Artikel Jurnal
Systematic investigation on the effects of tracks’ mutual coupling on a GaN-based three-level bridge leg
An investigation of the mutual coupling among key switching paths in a three-level bridge leg based on GaN switches is presented in this paper. The used methodology relied on Ansys extensive numerical simulations based on the real printed circuit board (PCB) geometry. Results showed that the…
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Artikel Jurnal
Investigation of SiC MOSFET’s current hump mechanism induced by false turn-on of the high-side body diode
SiC MOSFETs have been widely used in high-frequency applications due to their high-speed switching characteristics. However, as the switching speed increases, the di/dt of the device also increases, which is highly influenced by the parasitic inductance created by the wire bonding and the package…
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Artikel Jurnal
Microstructure-based fatigue analysis of SiC power module with sintered silver die attach
Sintered silver offers excellent performance for die attach materials in power modules, but internal defects such as pores in sintered silver can deteriorate the mechanical behavior and overall lifetime of power modules. This work establishes a porous microstructure model of die attach sintered…
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Artikel Jurnal
Embedded spectroscopy: Potentialities and constraints for onboard battery diagnostics
This paper introduces an on-board, low-cost Electrochemical Impedance Spectroscopy technique for battery diagnostics, utilizing numerical simulations and experimental results. EIS, commonly used in laboratories to assess charge transfer and diffusion in electrochemical cells, is ideal for…