Results 31 to 40 of about 3,150 (195)
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
A simple large-signal nonlinear modeling approach for fast simulation of zero-current-switch quasi-resonant converters [PDF]
Author name used in this publication: Frank H.
Leung, FHF, Tam, PKS, Wong, LK
core +1 more source
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
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
doaj +1 more source
This paper presents a two-stage DC/DC converter with high efficiency utilized in an electronic power conditioner (EPC), which is widely applicable in satellite communications, etc.
Wei Zheng +6 more
doaj +1 more source
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
doaj +1 more source
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
doaj +1 more source
Constant-frequency multi-resonant converter-fed DC motor drives [PDF]
Low-inductance dc motors with high power density and low rotor inertia are becoming more attractive, particularly for servo applications. In order to maintain their current ripples within acceptable levels, power converters need to operate at high ...
Chan, CC, Chau, KT, Ching, TW
core +1 more source
Soft-switching vector control for resonant snubber based inverters [PDF]
This paper gives a new classification of soft-switching inverters according to the principle of operation. After discussing the soft-switching phenomena in hard-switching inverters, the concept of soft-switching vector (SSV) is introduced.
Chart, CC, Chau, KT, Yao, Jianming
core +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

