Results 31 to 40 of about 31,723,300 (294)

Mathematical Foundations for Balancing Single-Phase Residential Microgrids Connected to a Three-Phase Distribution System

open access: yesIEEE Access, 2022
With the increased installation of single-phase rooftop PV systems, in-house battery storage units, and high-power plug-in loads (i.e., EVs) at single-phase residential sites, it is prevalent that an increasing number of residential distribution systems ...
Syed A. Raza, Jin Jiang
doaj   +1 more source

Hardware for classification of power quality problems in three phase system using Microcontroller

open access: yesCogent Engineering, 2017
Power quality is a growing concern as the number of electric sensitive loads is increasing day by day in all fields. Poor power quality is badly affecting sensitive loads causing instability, malfunctioning, loss of data and great loss of economy.
S. Asha Kiranmai, A. Jaya Laxmi
doaj   +1 more source

Real-Time Three-Phase Dynamic Full ACPF Distribution System Model

open access: yesYanbu Journal of Engineering and Science, 2022
Power flow is the backbone for power system operation and control. Power system balancing, where supply of energy has to equal demand all time, is a very important operation constraint for electric power systems.
Sultan Hakmi Jr.
doaj   +1 more source

Improving Inverter Output Current Controller Under Unbalanced Conditions by Using Virtual Impedance

open access: yesIEEE Access, 2021
Nowadays, three-phase inverters have been commonly used in power systems, especially in renewable energy and motor drives applications. In many applications, the inverter has to generate balanced sinusoidal three-phase currents even though it is ...
Lukas Antonio Budiwicaksana   +4 more
doaj   +1 more source

Adaptive nonlinear control of single-phase to three-phase UPS system

open access: yesMATEC Web of Conferences, 2014
This work deals with the problems of uninterruptible power supplies (UPS) based on the single-phase to three-phase converters built in two stages: an input bridge rectifier and an output three phase inverter.
Kissaoui M.   +4 more
doaj   +1 more source

Power Management in Three-Phase Grid-Integrated PV System with Hybrid Energy Storage System

open access: yesEnergies, 2023
The management of energy in distribution networks has been gathering attention in recent years. The simultaneous control of generation and demand is crucial for achieving energy savings and can further lower energy pricing.
Chinmaya Jagdev Jena, Pravat Kumar Ray
doaj   +1 more source

The International Study of Asthma and Allergies in Childhood (ISAAC) Phase Three: A global synthesis [PDF]

open access: yes, 2013
This ISAAC Phase Three synthesis provides summarised information on the main findings of the study, regional tables and figures related to the prevalence and severity of current symptoms of asthma, rhinoconjunctivitis and eczema in the main regions of ...
Keil, U   +7 more
core   +1 more source

Fast and robust three-dimensional best path phase unwrapping algorithm [PDF]

open access: yes, 2007
What we believe to be a novel three-dimensional (3D) phase unwrapping algorithm is proposed to unwrap 3D wrapped-phase volumes. It depends on a quality map to unwrap the most reliable voxels first and the least reliable voxels last.
Moore, Christopher J.   +5 more
core   +1 more source

Multi-phase System Supplied by SVM VSI: A New Fast Algorithm to Compute Duty Cycles [PDF]

open access: yes, 2004
La version éditeur de cette article est disponible à l'adresse suivante : http://www.epe-association.org/epe/index.phpMany authors proposed SVM VSI applied to multi-phase ...
HAUTIER, Jean-Paul   +2 more
core   +1 more source

European Standard Clinical Practice Guideline and EXPeRT Recommendations for the Diagnosis and Management of Gastroenteropancreatic Neuroendocrine Neoplasms in Children and Adolescents

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Pediatric gastroenteropancreatic neuroendocrine neoplasms (GEP‐NENs) are extremely rare and clinically heterogeneous. Management has largely been extrapolated from adult practice. This European Standard Clinical Practice Guideline (ESCP), developed by the EXPeRT network in collaboration with adult NEN experts, provides (adult) evidence ...
Michaela Kuhlen   +23 more
wiley   +1 more source

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