Results 21 to 30 of about 1,456,033 (337)

High Step-Up Interleaved DC/DC Converter Using VM Cell for PV Applications [PDF]

open access: yesIranian Journal of Electrical and Electronic Engineering, 2022
This work proposes a high step-up interleaved dc/dc topology utilizing a VM (voltage multiplier) cell suitable for PV applications. The VM cells D/C (Diode/Cap.) are cascaded among the phases to approach a high voltage gain.
Amir Gallaj   +2 more
doaj  

A Hybridization of Cuk and Boost Converter Using Single Switch with Higher Voltage Gain Compatibility

open access: yesEnergies, 2020
In the current era, the desire for high boost DC-to-DC converter development has increased. Notably, there has been voltage gain improvement without adding extra power switches, and a large number of passive components have advanced. Magnetically coupled
M. Karthikeyan   +6 more
doaj   +1 more source

Design of low stress and high efficiency asymmetric half-bridge converter

open access: yesDianzi Jishu Yingyong, 2018
Asymmetrical half bridge converter has problems that wide power output efficiency is not ideal, the voltage and current stress is large, and rectifier diode has voltage ringing problem. So a low stress and high efficiency asymmetric half-bridge converter
Yao Yueqin, Lu Zhengkai
doaj   +1 more source

Fine tuning the electro-mechanical response of dielectric elastomers [PDF]

open access: yes, 2018
We propose a protocol to model accurately the electromechanical behavior of dielectric elastomer membranes using experimental data of stress-stretch and voltage-stretch tests.
Destrade, Michel   +2 more
core   +2 more sources

A Four-Phase High Voltage Conversion Ratio Bidirectional DC-DC Converter for Battery Applications

open access: yesEnergies, 2015
This study presents a four-phase interleaved high voltage conversion ratio bidirectional DC-DC converter circuit based on coupled inductors and switched capacitors, which can eliminate the defects of conventional high voltage conversion ratio ...
Li-Kun Xue   +4 more
doaj   +1 more source

Power loss investigation in HVDC for cascaded H-bridge multilevel inverters (CHB-MLI) [PDF]

open access: yes, 2015
In the last decade, the use of voltage-source multilevel inverters in industrial and utility power applications has been increased significantly mainly due to the many advantages of multilevel inverters, compared to conventional two level inverters ...
Alamri, B, Darwish, M
core   +1 more source

Precise modelling of switching and conduction losses in cascaded h-bridge multilevel inverters [PDF]

open access: yes, 2014
Nowadays, voltage source multilevel inverters are being used extensively in industry due to its many advantages, compared to conventional two level inverters, such as higher output voltage at low switching frequency, low voltage stress(dv/dt), lower ...
Alamri, B, Darwish, M
core   +1 more source

Improved Quasi-Z-Source High Step-Up DC–DC Converter Based on Voltage-Doubler Topology

open access: yesSensors, 2022
The step-up DC–DC converter is widely used for applications such as IoT sensor nodes, energy harvesting, and photovoltaic (PV) systems. In this article, a new topological quasi-Z-source (QZ) high step-up DC–DC converter for the PV system is proposed. The
Toru Sai   +2 more
doaj   +1 more source

The 'gated-diode' configuration in MOSFET's, a sensitive tool for characterizing hot-carrier degradation [PDF]

open access: yes, 1995
This paper describes a new measurement technique, the forward gated-diode current characterized at low drain voltages to be applied in MOSFET's for investigating hot-carrier stress-induced defects at high spatial resolution.
Asenov, A.   +4 more
core   +1 more source

Single‐switch coupled‐inductors‐based high step‐up converter with reduced voltage stress

open access: yesIET Power Electronics, 2023
This paper proposes a non‐isolated DC‐DC high step‐up converter. To achieve a high voltage conversion ratio and overcome the problems related to near unity duty‐cycle of the conventional boost converter in high step‐up applications, coupled‐inductors ...
Siamak Khalili   +3 more
doaj   +1 more source

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