Results 111 to 120 of about 66,959 (314)

Multiphase induction motor drives - a technology status review [PDF]

open access: yes, 2007
The area of multiphase variable-speed motor drives in general and multiphase induction motor drives in particular has experienced a substantial growth since the beginning of this century.
Abbas   +121 more
core   +1 more source

Post‐COVID Fatigue Is Associated With Reduced Cortical Thickness After Hospitalization

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective Neuropsychiatric symptoms are among the most prevalent sequelae of COVID‐19, particularly among hospitalized patients. Recent research has identified volumetric brain changes associated with COVID‐19. However, it currently remains poorly understood how brain changes relate to post‐COVID fatigue and cognitive deficits.
Tim J. Hartung   +190 more
wiley   +1 more source

Multiphase Parallel Interleaved And Primary-Parallel Secondary-Series Forward Micro-Inverter Comparison. [PDF]

open access: yes, 2014
Using multiphase technique is interesting in PV AC-module application due to light-load efficiency improvement by applying phase shedding, and the possibility of low-profile implementation.
Alou Cervera, Pedro   +3 more
core   +1 more source

Development of a Prediction Model for Progression Risk in High‐Grade Gliomas Based on Habitat Radiomics and Pathomics

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective To investigate the value of constructing models based on habitat radiomics and pathomics for predicting the risk of progression in high‐grade gliomas. Methods This study conducted a retrospective analysis of preoperative magnetic resonance (MR) images and pathological sections from 72 patients diagnosed with high‐grade gliomas (52 ...
Yuchen Zhu   +14 more
wiley   +1 more source

Topology Structures of Transformerless Photovoltaic Inverters

open access: yesKongzhi Yu Xinxi Jishu, 2010
It is analyzed detailedly the mechanism of common mode current for the transformerless photovoltaic inverter system. Different control methods are used to analyze the common mode current of single-phase transformerless full-bridge topology, and a new ...
沈友朋, 宋平岗
doaj  

Experimental implementation controlled SPWM inverter based harmony search algorithm [PDF]

open access: yes, 2017
An optimum PI controller using harmony search optimization algorithm (HS) is utilized in this research for the single-phase bipolar SPWM inverter. The aim of this algorithm is to avoid the conventional trial and error procedure which is usually applied ...
A. F. Yahaya, Jabbar   +4 more
core  

Diffusion Spectrum Imaging Maps Early Axonal Loss and a Unique Progressive Signal in Neuronal Intranuclear Inclusion Disease

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective To delineate specific in vivo white matter pathology in neuronal intranuclear inclusion disease (NIID) using diffusion spectrum imaging (DSI) and define its clinical relevance. Methods DSI was performed on 42 NIID patients and 38 matched controls.
Kaiyan Jiang   +10 more
wiley   +1 more source

ANN Controller Based Single phase Inverter in Smart City

open access: yesInternational Transactions on Electrical Engineering and Computer Science, 2023
Solar-grid integration is a method for incorporating large amounts of photovoltaic (PV) supply to the grid. Advanced inverter technology, smart grids technology, islanding detection technology, solar-grid forecasting technology, grid-plant protection ...
HyunHo Park
doaj  

Eliminating Harmonics in a Five Level Inverter by Optimized Both Switching Angles and Dc Link Voltage

open access: yesTikrit Journal of Engineering Sciences, 2008
This paper presents design and analysis of a single phase multilevel inverter by optimizing both switching angles and DC link voltage of a cascaded inverter.
Abdal K. Mansoor   +2 more
doaj   +1 more source

Solar-Based Boost Differential Single Phase Inverter

open access: yesNigerian Journal of Technology, 2015
This paper depicts about a power conversion circuit of a Pulse-width modulated (PMW) voltage source inverter known as a Solar-based boost differential single phase inverter. The total harmonic distortion of 67.12% found in an open loop Solar-based boost differential inverter is reduced down to 22.37% in closed loop system with the aid of Proportional ...
Eya, CU, Agu, MU
openaire   +3 more sources

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