Results 41 to 50 of about 36,625 (231)

Design and implementation of 30kW 200/900V LCL modular multilevel based DC/DC converter for high power applications [PDF]

open access: yes, 2016
This paper presents the design, development and testing of a 30kW, 200V/900V modular multilevel converter (MMC) based DC/DC converter prototype. An internal LCL circuit is used to provide voltage stepping and fault tolerance property.
Aboushady, A.   +3 more
core   +2 more sources

A Hybrid EV Charging Architecture Integrating DC Fast Charging and Wireless Power Transfer

open access: yesEnergy Science &Engineering, EarlyView.
A hybrid EV charging architecture combining DC fast charging and wireless power transfer is proposed. The system achieves high efficiency, grid compliance, and reliable bidirectional operation, offering a scalable solution that enhances user convenience while paving the way for smarter, future‐ready EV charging infrastructure.
Ali Almaktoof   +3 more
wiley   +1 more source

Fault Detection and Classification in Five‐Level Reduced Device Count Multilevel Inverter Using Fuzzy Logic System

open access: yesEnergy Science &Engineering, EarlyView.
A fuzzy logic–based diagnostic framework for a reduced device count multilevel inverter to accurately detect and classify open‐circuit faults. ABSTRACT The reliable performance of multilevel inverters (MLIs) is critical to the advancement of power electronic systems used in renewable energy conversion, microgrid operation, and electric vehicle ...
Niraj Kumar Dewangan   +4 more
wiley   +1 more source

Comparative Study on Application of Hybrid SiC IGBT Device and Si IGBT Device in Rail Transit

open access: yes机车电传动, 2020
Hybrid SiC IGBT uses SiC Schottky diode to replace the anti-parallel diode in traditional IGBT devices, which can reduce the diode reverse recovery loss and IGBT turn-on loss.
Wei TIAN   +6 more
doaj  

Lifetime Evaluation of Traction Converter IGBT Based on Operating Conditions and Component Aging

open access: yesKongzhi Yu Xinxi Jishu, 2022
IGBT's lifetime is greatly influenced by the operation conditions of train and the current aging degree of IGBT. However, the influences of train operation conditions and current life of an IGBT on the life assessment are normally not considered.
LI Dong   +5 more
doaj   +1 more source

Mechanical stress induced by electromagnetic forces on wire bonds of high power modules [PDF]

open access: yes, 2012
This paper concerns the analytical determination and experimental characterization of electromagnetic forces exerted on high power IGBT wire ...
Diénot, Jean-Marc   +3 more
core   +1 more source

Alone Self-Excited Induction Generators [PDF]

open access: yes, 2016
In recent years, some converter structures and analyzing methods for the voltage regulation of stand-alone self-excited induction generators (SEIGs) have been introduced.
Doser, TL, Kesler, S
core   +2 more sources

Automated quality assurance of HDR brachytherapy: Evaluation of Dwell‐position accuracy and Dwell‐time linearity via image processing of radiochromic films

open access: yesPrecision Radiation Oncology, EarlyView.
This study develops a method combining radiochromic film and image processing to assess HDR brachytherapy source accuracy and linearity, achieving high precision and efficiency . Abstract Purpose To develop and validate a fully automated quality assurance method for high‐dose rate (HDR) brachytherapy, enabling the precise evaluation of source dwell ...
Qingqing Yuan   +4 more
wiley   +1 more source

A New SiC Planar-Gate IGBT for Injection Enhancement Effect and Low Oxide Field

open access: yesEnergies, 2020
A new silicon carbide (SiC) planar-gate insulated-gate bipolar transistor (IGBT) is proposed and comprehensively investigated in this paper. Compared to the traditional SiC planar-gate IGBT, the new IGBT boasts a much stronger injection enhancement ...
Meng Zhang   +4 more
doaj   +1 more source

Probabilistic approaches and reliability design of power modules [PDF]

open access: yesInternational Journal for Simulation and Multidisciplinary Design Optimization, 2008
The weak point for the standard power IGBT modules in terms of reliability is thermal fatigue in solder joints due to the thermal stress induced by constitutive materials with different coefficients of thermal expansion (CTE). So far, many researches are
Micol A.   +4 more
doaj   +1 more source

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