Results 31 to 40 of about 658,855 (214)

A New Double-Switch SEPIC-Buck Topology for Renewable Energy Applications

open access: yesEnergies
In addition to their conventional use in electric motor drives, DC-DC converters have a variety of other uses, such as energy storage, energy conversion, cyber security systems, uninterruptible power supplies, and renewable energy systems.
Walid Emar   +4 more
semanticscholar   +1 more source

High-Efficiency Stacked Half-Bridge Sigma Topology for Wide Input Range and High Step-Down Application

open access: yesIEEE Open Journal of Power Electronics
In wide input range and high step-down application, conventional Sigma converter suffers from the problem of small duty cycle and low efficiency of the internal Buck converter.
Zhoulong Wang, Li Zhang
doaj   +1 more source

Constant current and ripple control of LED driver without electrolytic capacitor

open access: yesDianzi Jishu Yingyong, 2018
When the traditional unloaded boost-buck LED driver power supply has a high power factor, it will produce significant low-frequency ripple current. Based on the buck-boost topology, this paper presents an innovative LED drive power technology.
Chen Chunkai, Li Yinlong
doaj   +1 more source

Multiphase Interleaved Converter Based on Cascaded Non-Inverting Buck-Boost Converter

open access: yesIEEE Access, 2022
This paper introduces an interleaved buck-boost converter with reduced power electronics devices count in comparison with the conventional topology. The proposed converter consists of a single buck converter followed by $n$ parallel interleaved boost ...
Bader N. Alajmi   +3 more
doaj   +1 more source

A Three-Level Modular DC/DC Converter Applied in High Voltage DC Grid

open access: yesIEEE Access, 2018
Modular dc/dc converter (MDCC) based on cascaded submodules (SMs) has been an attractive converter topology for the interconnection of high voltage dc (HVDC) grids for its low cost and high efficiency; however, the quite large filter inductor implemented
Hongcheng You, Xu Cai
doaj   +1 more source

A cascaded three‐level buck‐LLC DC/DC converter with high power density for high‐frequency applications

open access: yesIET Power Electronics, 2023
In distributed generation systems, converters play a vital role and DC/DC converter technology is constantly being promoted with the increasing demand for electrical equipment in various industries.
Baojian Ji   +3 more
doaj   +1 more source

Topological Properties of International Commodity Market: How Uncertainty Affects the Linkages?

open access: yesAgribusiness, EarlyView.
ABSTRACT The study aims to explore the network topology of the international commodity market by examining the interconnections among 21 commodity futures across various categories, including energy, precious and industrial metals, and agriculture. We analyze the market structure of these commodity futures under both low and high uncertainty conditions
Ibrahim Yagli, Bayram Deviren
wiley   +1 more source

Comprehensive review of nonisolated bridgeless power factor converter topologies

open access: yesIET Circuits, Devices and Systems, 2021
The intention of this study is to provide a critical review of single‐phase nonisolated bridgeless power factor converter topologies, which will be useful for novice researchers in the power electronics field.
Ankit Kumar Singh   +3 more
doaj   +1 more source

Active Equalization of Lithium-Ion Battery Based on Reconfigurable Topology

open access: yesApplied Sciences, 2023
The equalization technique is a key technique in the secondary utilization of retired batteries. In this paper, a double-layer equalization method is proposed, which combines the reconfigurable topology with the converter active equalization method.
Yanbo Li, Pu Yin, Junshuo Chen
semanticscholar   +1 more source

How cold is too cold? A theoretical analysis of the optimal trigger for index insurance for frost damage to crops

open access: yesAmerican Journal of Agricultural Economics, EarlyView.
Abstract Crop insurance is undoubtedly an extremely valuable element in protecting agricultural businesses, but in many cases standard indemnity‐based products have had very low uptake due to high transaction costs elevating premiums to unaffordable levels.
Amogh Prakasha Kumar   +2 more
wiley   +1 more source

Home - About - Disclaimer - Privacy