Results 41 to 50 of about 5,218,803 (300)

THD Reduction of Inverters in Photovoltaic Power Systems

open access: yesMìkrosistemi, Elektronìka ta Akustika, 2020
Photovoltaic power systems are quite common in modern consumer power systems. Alongside with the power sources, converters for photovoltaic energy systems made their own evolution path that was defined by two main requirements that have to be fulfilled ...
Ihor Serhiiovych Fedin   +2 more
doaj   +1 more source

Why human connection is the true metric of research success

open access: yesFEBS Open Bio, EarlyView.
Human‐centred mentorship can be shaped by mentor attributes, actions, intrinsic drive and career ambition. Drawing on reflections across Singapore and France, as well as workshop insights from FEBS‐IUBMB ENABLE 2024, this article shows that human‐centred mentorship creates the conditions for sustainable growth, well‐being and retention in research ...
Timothy Lin Yun Tan   +3 more
wiley   +1 more source

A 3Ф-3Ф quasi Z-source matrix converter for residential wind energy systems [PDF]

open access: yes, 2012
When compared to the Z-source inverter, the quasi Z-source inverter offers several advantages, including lower component ratings, reduced source stress and switch count, and simpler control strategies.
Ekrem Karaman   +5 more
core   +1 more source

Switched Z-Source/Quasi-Z-Source DC-DC Converters With Reduced Passive Components for Photovoltaic Systems

open access: yesIEEE Access, 2019
In this paper, switched Z-source/quasi-Z-source dc-dc converters (SZSC/SQZSCs) are proposed for the photovoltaic (PV) grid-connected power system, where the high step-up dc-dc converters are required to boost the low voltage to high voltage.
Junfeng Liu   +3 more
doaj   +1 more source

Heterotropic regulation and negative homotropic cooperativity

open access: yesFEBS Open Bio, EarlyView.
We identified a structural module common to some proteins that couple negative cooperativity with heterotropic regulation, two features that rarely coexist. These proteins are ring‐like and present an ordered asymmetry whereby noncontacting subunits are symmetric, and their tertiary structure differs from that of contacting subunits.
Veronica Morea   +5 more
wiley   +1 more source

Input current ripples cancellation in bidirectional switched-inductor quasi-Z-source inverter using coupled inductors [PDF]

open access: yes, 2023
This paper proposes a new topology of switched-inductor quasi-Z-source impedance networks which has a high boost capability and continuous input current with no ripples.
S Asghari-Gorji (13364661)   +1 more
core  

EMI Suppression of High-Frequency Isolated Quasi Z-Source Inverter Based on Multi-Scroll Chaotic PWM Modulation

open access: yesIEEE Access, 2019
The high frequency isolated quasi Z-source inverter is a new type of inverter, which is suitable for photovoltaic generation system because of its high lift to voltage ratio, transient bridge direct access and electrical isolation.With the increase of ...
Yan Chen   +3 more
doaj   +1 more source

Hybrid Source Multi-Port Quasi-Z-Source Converter with Fuzzy-Logic-Based Energy Management

open access: yesEnergies, 2023
In this paper, a fuzzy-logic-based energy management system and a multi-port quasi-z-source converter that utilizes hybrid renewable energy sources are proposed.
Gorkem Say   +2 more
doaj   +1 more source

Intelligent Tutoring Systems for Adult Learning in STEM Disciplines

open access: yesNew Directions for Adult and Continuing Education, EarlyView.
ABSTRACT Intelligent tutoring systems (ITS) are reshaping adult learning in STEM by providing adaptive, data‐driven instruction across classrooms, workplaces, and informal environments. In the context of ITS, this article compares generative AI, which creates personalized explanations and practice materials, with explainable AI, which focuses on ...
Jill Zarestky, Amanda R. Lager Gleason
wiley   +1 more source

Extended family of DC-DC Quasi-Z-Source converters

open access: yesInternational Journal of Electrical and Computer Engineering (IJECE), 2019
The family of DC-DC q-ZSCs is extended from two to three classes and four to six members. All the members were analyzed based on efficient duty ratio range (R<sub>Deff</sub>) and general duty ratio range (R<sub>Dgen</sub>). Findings showed that similar to the traditional buck-boost converter (BBC), each of the topologies is ...
Ado, M., Jusoh, A., Sutikno, T.
openaire   +4 more sources

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