Results 11 to 20 of about 2,352,776 (263)

Three-Phase Single-Stage Photovoltaic System With Synchronverter Control: Power System Simulation Studies

open access: yesIEEE Access, 2022
The performance of a grid forming inverter integrating solar PV/Wind farms with the grid is currently a topic of wide interest. Synchronverter control is one of the well-known grid forming converter techniques. Evaluation of synchronverter control in the
Ajinkya J. Sonawane, Amod C. Umarikar
doaj   +1 more source

Partition of Proteins in a Three‐Phase System [PDF]

open access: yesEuropean Journal of Biochemistry, 1974
A system consisting of three liquid phases has been used for partition of proteins. It is composed of water and three high‐molecular compounds: dextran, Ficoll and poly(ethyleneglycol) the latter partly converted into a derivative. All the three phases have a high water content, 71–79%, and dissolve proteins.
A, Hartman   +2 more
openaire   +2 more sources

Muscle: A Three Phase System [PDF]

open access: yesThe Journal of General Physiology, 1959
The partition of sulfate, Ca++, and Mg++ across the membrane of the sartorius muscle has been studied, and the effect of various concentrations of these ions in the Ringer solution on the cellular level of Na+, K+, and Cl- has been determined. The level of the three divalent ions in toad plasma and muscle in vivo has been assayed. Muscle
R. Frater, Shirley E. Simon, F. H. Shaw
openaire   +3 more sources

Progressive Antithrombin: A Three-Phase System [PDF]

open access: yesBlood, 1966
Abstract 1. Data are presented which demonstrate that progressive antithrombin activity results from the interaction of three factors: antithrombin, an antithrombin inhibitor, and a platelet factor. In plasma, the antithrombin is held inactive by combination with inhibitor so that no free antithrombic activity is present.
H H, Henstell, M, Kligerman
openaire   +2 more sources

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

Three-Phase to Single-Phase Generation System Based on Doubly-Fed Induction Generator

open access: yesEletrônica de Potência, 2020
This paper presents a three-phase to singlephase six-leg converter for a wind energy conversion system based on Doubly-Fed Induction Generator (DFIG).
Filipe V. Rocha   +4 more
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

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

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

Mathematical Modelling of Transient Processes in a Three Phase Electric Power System for a Single Phase Short-Circuit

open access: yesEnergies, 2022
Field approaches are employed to develop a mathematical model of a power network section. The facility consists of two electric power subsystems described with ordinary differential equations and presented as concentrated parameter systems connected with
Andriy Chaban   +3 more
doaj   +1 more source

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