Results 11 to 20 of about 31,150 (250)

Trends in active power line conditioners [PDF]

open access: yes, 1994
Active power line conditioners, which are classified into shunt and series ones, have been studied with the focus on their practical installation in industrial power systems.
Akagi, Hirofumi
core   +1 more source

Research of double closed-loop control strategy for shunt active power filter

open access: yesGong-kuang zidonghua, 2013
The paper analyzed implementation principle of double closed-loop control strategy for shunt active power filter. In view of problems that PI control cannot track AC signal without static error and repetitive control has slow dynamic response speed, the ...
REN Zi-hui   +3 more
doaj   +1 more source

Performance improvement of shunt active power filter based on indirect control with a new robust phase-locked loop

open access: yesElectrical engineering & Electromechanics, 2022
Introduction. Since the development of the first active power filter (APF) in 1976, many efforts have been focused on improving the performances of the APF control as the number of different nonlinear loads has continued to increase.
A. Chemidi   +2 more
doaj   +1 more source

An Improved Fuzzy Controlled Back-to-Back Electric Spring Using Hybrid Structure of ES-1 and Shunt-APF to Improve Power Quality in Microgrids [PDF]

open access: yesInternational Journal of Industrial Electronics, Control and Optimization, 2022
Electric spring (ES) is a new technology that can be used for fast demand-side management to balance the power between generation and consumption in smart grids.
Hamed Sadeghi, Hamid Reza Mohammadi
doaj   +1 more source

Performance evaluation of Adaptive Tabu search and Genetic Algorithm optimized shunt active power filter using neural network control for aircraft power utility of 400 Hz

open access: yesJournal of Electrical Systems and Information Technology, 2018
This paper proposes a novel artificial neural network (ANN) control based shunt active power filter (APF) applied in aircraft power utility of 400 Hz. The model of shunt active power filter has been optimized using Adaptive Tabu search (ATS) algorithm ...
Saifullah Khalid
doaj   +1 more source

Sliding Mode Control Based Shunt Active Power Filter [PDF]

open access: yesProblems of the Regional Energetics, 2018
Currentlytheshuntactivepowerfilter(APF)isaneffectivemeansofreducinginactivecomponentsofthepowerconsumedfromthenetwork.Atthesametime,theshuntAPFbeinganonlinearelementisitselfasourceofhigherharmonics,thesuppressionofwhichisimposedontheinterfacefilter ...
SkuriatinY.V.   +2 more
doaj   +1 more source

Control strategy and site selection of a shunt active filter for damping of harmonic propagation in power distribution systems [PDF]

open access: yes, 1997
This paper deals with a shunt active filter which will be installed by an electric utility, putting much emphasis on the control strategy and the best point of installation of the shunt active filter on a feeder in a power distribution system.
Akagi, Hirofumi
core   +1 more source

Control Strategy of 1 kV Hybrid Active Power Filter for Mining Applications

open access: yesEnergies, 2021
The paper presents a shunt hybrid active power filter for 1 kV mining applications in configuration with a single-tuned passive filter. The focus is on the method of controlling the filter, with particular emphasis on the influence of network voltage ...
Dawid Buła   +5 more
doaj   +1 more source

Simulation results of a shunt active power filter with control based on p-q theory [PDF]

open access: yes, 2003
The present paper describes a shunt active power filter with a control system based on the p-q theory, and studies its performance through simulation results obtained with different types of loads.
Afonso, João L.   +2 more
core   +1 more source

ALK1 controls hepatic vessel formation, angiodiversity, and angiocrine functions in hereditary hemorrhagic telangiectasia of the liver

open access: yesHepatology, EarlyView., 2022
Hepatic endothelial Alk1 signaling protects from development of vascular malformations while maintaining organ‐specific endothelial differentiation and angiocrine portmanteau of the names Wingless and Int‐1 signaling. Abstract Background and Aims In hereditary hemorrhagic telangiectasia (HHT), severe liver vascular malformations are associated with ...
Christian David Schmid   +20 more
wiley   +1 more source

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