Results 21 to 30 of about 241 (98)
A Comprehensive Analysis of Losses and Efficiency in a Buck ZCS Quasi-Resonant DC/DC Converter
As power electronics continue to advance, the demand for highly efficient and low-loss DC/DC converters has grown significantly. This article comprehensively analyses ZCS quasi-resonant switch cell losses and efficiency in buck L-type zero-current ...
Nikolay Hinov, Tsvetana Grigorova
doaj +1 more source
A novel Pulse-Width-Modulation (PWM) quasi-resonant active-clamp phase-shifted full-bridge converter is presented and analyzed in this paper. In the proposed topology, an active-clamp switch and a clamp capacitor that resonates with the leakage ...
Duong Tran, Nam Vu, Woojin Choi
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Symmetry and Duality in ZCS and ZVS Quasi-Resonant Buck, Boost, and Buck–Boost DC–DC Converters
Quasi-resonant (QR) DC–DC converters with PWM control achieve soft switching by shaping the commutation transient through a local resonant process. This paper proposes a symmetry-based unified perspective on classical QR converters by interpreting zero ...
Nikolay Hinov
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Investigation of Novel Transformerless Converters for DC Microgrid: Design and Analysis [PDF]
This paper proposes two new soft-switching transformerless converters with high voltage conversion ratio. These proposed converters achieve soft-switching each with a single auxiliary resonant cell.
Pravat Biswal +2 more
doaj
Implementation scheme of full-bridge boost converter with ZVZCS based on PWM and phase-shift control
The full-bridge boost (FB-Boost) converter combines the characteristics of both stepup and step-down conversion, low conduction losses, electrical isolation, and soft switching, mak ing it suitable for applications requiring a wide voltage range, high ...
ZHANG Tuanshan, SHI Zhehan, CAO Xiaodong
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Recent Advances in Metal‐Organic Framework Photo‐Electrocatalysts for the Synthesis of Ammonia
This diagram illustrates the role of Metal‐Organic Frameworks (MOFs) in the photocatalytic and electrocatalytic synthesis of ammonia, highlighting their potential as efficient catalysts for sustainable nitrogen fixation under light irradiation and electrode excitation.
Jingjing Wang +9 more
wiley +1 more source
ZVS–ZCS-Supported Control for V2G Wireless Charging
The growing integration of Electric Vehicles (EVs) into the power grid has highlighted the need for efficient and flexible charging solutions, particularly through Vehicle-to-Grid (V2G) technology.
Inmaculada Casaucao +2 more
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Retificadores de alto fator de potência com comutação suave e baixas perdas de condução
Este artigo apresenta um estudo sobre retificadores monofásicos de alto fator de potência com comutação suave e baixas perdas de condução. As baixas perdas de condução são obtidas através da utilização de um conversor único, ao invés da configuração ...
Alexandre Ferrari de Souza, Ivo Barbi
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This graphical abstract illustrates the evolution of wireless electric vehicle charging from unidirectional wireless power transfer to bidirectional wireless power transfer (BWPT) and toward future intelligent, autonomous wireless energy systems.
P. V. Elumalai +6 more
wiley +1 more source
As maritime transport electrifies, bidirectional charging (V2G) offers a dual‐purpose solution for energy resilience and economic viability. This work identifies key technological advancements and lifecycle challenges utilizing practical case studies to demonstrate how V2G systems can drive decarbonization and grid stability in the marine sector ...
Jonathan Bloor +3 more
wiley +1 more source

