Results 41 to 50 of about 1,334,479 (354)

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

, 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., Couto, Emílio F., Martins, Júlio S.   +2 more
core   +1 more source

Active power filters — Recent advances

Sadhana, 1997
Power electronic loads inject harmonic currents into the utility causing overheating of power transformers and neutral wires, the power system, unpredictable performance of protection systems etc. In addition, electric resonances in such loads can also cause other undesirable phenomena like voltage fluctuations, ratio frequency interference (RFI) etc ...
Ned Mohan, Girish R Kamath
openaire   +2 more sources

Sliding Mode Control Based Shunt Active Power Filter [PDF]

Problems of the Regional Energetics, 2018
Currentlytheshuntactivepowerfilter(APF)isaneffectivemeansofreducinginactivecomponentsofthepowerconsumedfromthenetwork.Atthesametime,theshuntAPFbeinganonlinearelementisitselfasourceofhigherharmonics,thesuppressionofwhichisimposedontheinterfacefilter ...
SkuriatinY.V., BelousovA.V., DenysevychN.A.   +2 more
doaj   +1 more source

A hybrid fuzzy sliding-mode control for a three-phase shunt active power filter [PDF]

, 2017
This document is the Accepted Manuscript version of the following article: Mohamed Abdeldjabbar Kouadria, Tayeb Allaoui, and Mouloud Denai, ‘A hybrid fuzzy sliding-mode control for a three-phase shunt active power filter’, Energy Systems, Vol. 8 (2): 297-
B Singh, H Akagi, H Lee, Lu Wei, Mohamed Abdeldjabbar Kouadria, Mouloud Denai, O Vodyakho, P Thirumoorthi, QP Ha, S Saad, SB Choi, SK Jain, SW Kim, Tayeb Allaoui, Tosaporn Narongrita, VSC Raviraj, XH Yu   +16 more
core   +2 more sources

Peptide‐based ligand antagonists block a Vibrio cholerae adhesin

FEBS Letters, EarlyView.
The structure of a peptide‐binding domain of the Vibrio cholerae adhesin FrhA was solved by X‐ray crystallography, revealing how the inhibitory peptide AGYTD binds tightly at its Ca2+‐coordinated pocket. Structure‐guided design incorporating D‐amino acids enhanced binding affinity, providing a foundation for developing anti‐adhesion therapeutics ...
Mingyu Wang, Grace Du, Charity Yongo‐Luwawa, Angelina Lu, Brett Kinrade, Kim Munro, Karl E. Klose, William D. Lubell, Peter Davies, Shuaiqi Guo   +9 more
wiley   +1 more source

Active filter to improve the energetic efficiency in electric installations. [PDF]

, 2009
The Department of Electrical Engineering of the University Carlos III of Madrid has developed a prototype of active filter to compensate the disturbances that a nonlinear load produces.
Amarís Duarte, Hortensia Elena, Robles Muñoz, Guillermo   +1 more
core   +1 more source

SiC multilayer photonic structures with self optical bias amplification [PDF]

, 2012
Characteristics of tunable wavelength pi'n/pin filters based on a-SiC:H multilayered stacked cells are studied both experimental and theoretically. Results show that the device combines the demultiplexing operation with the simultaneous photodetection ...
Barata, Manuel, Fantoni, Alessandro, Louro, Paula, Vaz da Silva, V, Vieira, Manuel Augusto, Vieira, Manuela   +5 more
core   +2 more sources

Real‐time assay of ribonucleotide reductase activity with a fluorescent RNA aptamer

FEBS Letters, EarlyView.
Ribonucleotide reductases (RNR) synthesize DNA building blocks de novo, making them crucial in DNA replication and drug targeting. FLARE introduces the first single‐tube real‐time coupled RNR assay, which enables isothermal tracking of RNR activity at nanomolar enzyme levels and allows the reconstruction of allosteric regulatory patterns and rapid ...
Jacopo De Capitani, Noemi E. Nwosu, Viktoria Gocke, Müge Kasanmascheff, Hannes Mutschler   +4 more
wiley   +1 more source

A Hybrid Active Filter Using the Backstepping Controller for Harmonic Current Compensation [PDF]

, 2019
This document presents a new hybrid combination of filters using passive and active elements because of the generalization in the use of non-linear loads that generate harmonics directly affecting the symmetry of energy transmission systems that ...
Ababssi, Najib, Daou, Nora, Djeghader, Yacine, Gil Montoya, Francisco   +3 more
core   +1 more source

Current-source shunt active power filter with periodic-sampling modulation technique [PDF]

, 2012
In this paper are presented experimental and simulation results of a developed Current-Source Three-Phase Shunt Active Power Filter compensating the currents of a non-linear load. The Shunt Active Power Filter controller, described in detail
Afonso, João L., Exposto, Bruno Fernandes, Gonçalves, Henrique, Monteiro, Vítor Duarte Fernandes, Pedrosa, Delfim Duarte Rolo, Pinto, J. G.   +5 more
core   +1 more source