Results 51 to 60 of about 4,738 (255)

A New Single-Stage Four-Switch Common-Ground-Type Buck–Boost Inverter

open access: yesEnergies
The output voltages of photovoltaic panels typically fluctuate due to variations in environmental conditions, and therefore the use of a buck–boost inverter is essential. This article presents a novel buck–boost voltage-source inverter topology.
Abd Ullah, Yong-Ho Park, Youn-Ok Choi
doaj   +1 more source

A Novel Modified Space Vector Pulse Width Modulator Based on Artificial Neural Network for Z-Source Inverter [PDF]

open access: yesEngineering and Technology Journal, 2016
This paper proposes a novel modified space vector pulse width modulator based on Artificial Neural Network (ANN).This method overcomes the drawbacks of conventional DSP-based modulator in the z-source inverter.
Majid K. Al-khatat, Lina J. Rashad
doaj   +1 more source

Retificador buck trifásico unidirecional PWM isolado em alta-frequência por único estágio [PDF]

open access: yes, 2012
Tese (doutorado) - Universidade Federal de Santa Catarina, Centro Tecnológico, Programa de Pós-Graduação em Engenharia Elétrica, Florianópolis, 2009Descreve-se uma nova topologia de conversor CA-CC trifásico isolado em alta-frequência por único estágio ...
Greff, Diego Santos
core  

Control of dc capacitor voltages in diode-clamped multilevel inverter using bidirectional buck-boost choppers\ud

open access: yes, 2012
The dc capacitors voltage unbalancing is the main technical drawback of a diode-clamped multilevel inverter (DCMLI), with more than three levels. A voltage-balancing circuit based on buck–boost chopper connected to the dc link of DCMLI is a reliable and ...
Ghosh, A.   +5 more
core   +1 more source

A Novel Single-Stage Common-Ground Transformerless Buck–Boost Inverter

open access: yes, 2022
In this article, a novel single-stage transformerless buck–boost inverter is introduced. The proposed inverter can share a common ground between the DC input side and the grid; this leads to having a zero-leakage current. The proposed inverter also
Young-Cheol Lim   +5 more
core   +1 more source

Does Digital Banking Promote Remittance Receipts? Evidence From Developing Countries

open access: yesInternational Journal of Finance &Economics, EarlyView.
ABSTRACT In the realm of technological advancement, like many sectors, the financial sector swiftly embraced digital transformation to help facilitate financial transactions, especially remittance receipts. The digitalisation of the banking sector has made transfers and access to funds quite easier, faster, and more economical by reducing transaction ...
Syed Ali Abbas   +2 more
wiley   +1 more source

Enhanced Performance Modified Discontinuous PWM Technique for Three-Phase Z-Source Inverter

open access: yesEnergies, 2020
Various industrial applications require a voltage conversion stage from DC to AC. Among them, commercial renewable energy systems (RES) need a voltage buck and/or boost stage for islanded/grid connected operation.
Ahmed A. Hossameldin   +3 more
doaj   +1 more source

Conversores utilizando células de comutação de quatro estados [PDF]

open access: yes, 2008
Tese (doutorado) - Universidade Federal de Santa Catarina, Centro Tecnológico. Programa de Pós-Graduação em Engenharia Elétrica.O presente trabalho versa sobre conversores estáticos baseados em uma célula de comutação de quatro estados.
Peraça, Mauro Tavares
core  

Enhancing Reference Tracking in Induction Motor Drives: A Hybrid Model Predictive Control and Artificial Neural Network Approach

open access: yesInternational Journal of Robust and Nonlinear Control, EarlyView.
ABSTRACT Induction motors (IMs) are widely used in industry for their robustness and cost‐effectiveness, yet their nonlinear and multivariable dynamics pose significant challenges for high‐performance speed control. Model Predictive Control (MPC) is a well‐established solution but suffers from limitations related to model accuracy and parameter ...
Asier del Rio   +4 more
wiley   +1 more source

From Flybys to Sample Return: A Review of Space Probes and Robotic Sampling Technologies for Small Bodies

open access: yesJournal of Field Robotics, EarlyView.
ABSTRACT As a crucial puzzle piece of deep space exploration, exploring small bodies can provide significant scientific insights and valuable mineral resources. Unlike missions to the Moon and Mars, small‐body missions pose distinct technical challenges, including communication delays, weak gravity, and uncertain environments. This paper reviews a full
Xin Zhang   +3 more
wiley   +1 more source

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