Results 91 to 100 of about 4,639 (220)

Zero-Voltage Switching and Natural Voltage Balancing of a 3 kW 1 MHz Input-Series-Output-Parallel GaN LLC Converter

IEEE Open Journal of Power Electronics
Input-Series-Output-Parallel (ISOP) LLC converters have the capability to leverage lower voltage semiconductor devices, thereby enabling applications with higher voltage requirements.
Qingxuan Ma, Qingyun Huang, Alex Q. Huang   +2 more
doaj   +1 more source

Design and analysis for ZVS forward-flyback DC-DC converter

, 2011
This paper presents a ZVS forward-flyback DC-DC converter for photovoltaic applications. The converter operates at boundary mode or discontinuous mode to achieve ZVS.
Shen, John, John Shen, Haibing Hu, Hu, Haibing, Issa Batarseh, Batarseh, Issa, Frank Chen, Khalid Rustom, Rustom, Khalid, Chen, Frank   +9 more
core   +1 more source

Conversores CC-CC com elevada tensão de entrada para fontes auxiliares [PDF]

, 2004
Tese (doutorado) - Universidade Federal de Santa Catarina, Centro Tecnológico. Programa de Pós-Graduação em Engenharia Elétrica.A presente tese mostra o estudo de fontes auxiliares que permitam uma tensão de entrada de 300Vcc até 1200Vcc.
Coelho, Kefas Damazio
core  

Fontes auxiliares de alimentação para conversores de alta potência e elevada tensão no barramento CC [PDF]

, 2003
Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro Tecnológico. Programa de Pós-Graduação em Engenharia Elétrica.Este trabalho apresenta o estudo de uma nova topologia de conversor CC-CC PWM destinado a aplicações com elevada tensão ...
Alves, Ricardo Luiz
core  

A New ZVS Nonisolated Bidirectional DC-DC Converter with Minimal Auxiliary Element [PDF]

Journal of Intelligent Procedures in Electrical Technology, 2013
In this paper, a new nonisolated bidirectional buck–boost dc–dc converter is introduced. The proposed converter can be operated under ZVS condition and fixed switching frequency regardless of the direction of power flow.
Nasrin Asadi Madiseh, Majid Delshad
doaj  

Double-Ended ZVS Half-Bridge Zeta Converter

, 2007
A new double-ended type zero-voltage-switching (ZVS) half-bridge zeta (HBZ) converter employing a double ended rectifier is proposed. The proposed double ended rectifier for HBZ converter provides a bidirectional powering path of the rectifier. Therefore,
Moon, GunWoo, Park, Ki-Bum, Kim, Chong-Eun, Youn, Myung Joong   +3 more
core  

Symmetry and Duality in ZCS and ZVS Quasi-Resonant Buck, Boost, and Buck–Boost DC–DC Converters

Energies
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

Determining matching capacitance for a variable distance WPT system considering ZVS

AIP Advances
Wireless Power Transfer (WPT) systems are widely used today across various applications. Due to their interoperability, there are many instances where the receiver can vary, and consequently, the air gap may differ depending on the application.
Sungjin Lee, Jeonghyeon Cheon, Heegeon Park, Dongwook Kim   +3 more
doaj   +1 more source

Analysis of high-frequency ZVS (zero voltage switched) multiresonant converters

, 2014
The paper presents chosen issues of multiresonant ZVS DC/DC converters for use in transport devices. It provides results of mathematical analysis, simulation and experimental testing of selected multiresonant ZVS DC/DC conversion circuits.
Szychta, L., Szychta, E.
core  

Coupled Inductor Incorporated Boost Half-Bridge Converter With Wide ZVS Operation Range

, 2009
A new boost half-bridge (BHB) converter is presented. It is composed of an additional diode and a coupled winding to the boost inductor of the BHB converter.
Moon, GunWoo, Lee, SS, Rhee, SW
core   +1 more source