Results 71 to 80 of about 37,830 (274)

Fuzzy Controller with Shunt Active Power Filter in Reducing THD for Three Phase System

International Transactions on Electrical Engineering and Computer Science
In recent years, power electronics devices have advanced and are now employed in a variety of applications. Furthermore, this gadget produced an issue with power quality in the electrical system.
K. Hemasri, Ch. Srinivasa Kumar
doaj   +3 more sources

Hybrid optimization shunt active power filter based on radar power system

Measurement + Control, 2023
The problem of load nonlinearity is exposed as more and more load types are introduced into the radar power system. The nonlinear load is easy to produce large harmonic current, but at the same time it seriously threatens the normal and safe operation of
Yuetong Wang, Congcong Li, Siqi Li, Dalian Wang, Tingli Cheng, Zhiwei Chen, Yingying Zhang   +6 more
doaj   +1 more source

Comparison of different optimization criteria for optimal sizing of hybrid active power filters parameters [PDF]

, 2014
Praise Worthy Prize granted a permission for Brunel University London to archive this article in BURA.Harmonic distortion in power systems has increased considerably due to the increasing use of nonlinear loads in industrial firms and elsewhere.
Elmathana, KTM, Zobaa, AF
core   +1 more source

SIL Modeling of Shunt Harmonics Active Filter

, 2020
The evolution in semiconducting devices has introduced flexible control on a system but it has also penetrated harmonics in the grid, which results in extra electrical stress and load. Limiting the presence of harmonics in the grid and low power factor maintained by consumers has become of utmost priority to the power system analyst.
Dhiman, Shweta, Gupta, A., Chandle, J.
openaire   +2 more sources

Self‐Assembled Monolayers in p–i–n Perovskite Solar Cells: Molecular Design, Interfacial Engineering, and Machine Learning–Accelerated Material Discovery

Advanced Materials, EarlyView.
This review highlights the role of self‐assembled monolayers (SAMs) in perovskite solar cells, covering molecular engineering, multifunctional interface regulation, machine learning (ML) accelerated discovery, advanced device architectures, and pathways toward scalable fabrication and commercialization for high‐efficiency and stable single‐junction and
Asmat Ullah, Ying Luo, Stefaan De Wolf
wiley   +1 more source

Harmonic current extraction of shunt active power filter based on prediction current technique - Hysteresis PWM [PDF]

, 2013
Due to the wide spread of power electronics equipment in modern electrical systems, the increase of the harmonics disturbance in the ac mains currents has became a major concern due to the adverse effects on all analysis and simulation using MATLAB ...
Abou Elzahab, EE, Mamdouh, MM, Mansour, AM, Nashed, MNF, Zobaa, AF   +4 more
core  

Optimal sizing of C-type passive filters under non-sinusoidal conditions [PDF]

, 2014
In the literature, much attention has been focused on power system harmonics. One of its important effects is degradation of the load power factor. In this article, a C-type filter is used for reducing harmonic distortion, improving system performance ...
Dugan R. C., Garza F. D., IEEE Standard 18-2002, IEEE Standard 519–1992, Raymond C.   +4 more
core   +2 more sources

An Enhanced Shunt Active Filter Based on Synchronverter Concept

IEEE Journal of Emerging and Selected Topics in Power Electronics, 2022
This article proposes a shunt active filter (SAF) operating as a Synchronverter to enhance its performance, including the virtual inertia functionality. The SAF behaves as a voltage source with a low-impedance path for harmonic contents. Synchronverter behavior is used together with selective filtering through proportional-resonant controllers to ...
Bruno Wanderley Franca, Mauricio Aredes, Leonardo F. da Silva, Gustavo F. Gontijo, Thiago C. Tricarico, Johnny Posada   +5 more
openaire   +4 more sources

Beyond Earth: Resilience of Quasi‐2D Perovskite Solar Cells in Space

Advanced Materials, EarlyView.
In the article (DOI: 10.1002/adma.202520433), Christoph Putz and co‐workers demonstrate rigid quasi‐2D perovskite solar cells operating in low Earth orbit, delivering stable power for more than 100 days under real‐space conditions. In‐orbit performance is correlated with extensive ground‐based thermal and proton‐irradiation studies on rigid and ...
Christoph Putz, Lukas E. Lehner, Stepan Demchyshyn, Bekele Hailegnaw, Phillip Jahelka, Magdalena Breitwieser, Sercan Özen, Andrea Denker, Jürgen Bundesmann, Alina Hanna Dittwald, Dilara Karabulut, Philipp Tockhorn, Steve Albrecht, Felix Lang, Markus C. Scharber, Michael D. Kelzenberg, Harry A. Atwater, Martin Kaltenbrunner   +17 more
wiley   +1 more source

A Clinical Feasibility Study of Spinal Evoked Compound Action Potential Estimation Methods

Neuromodulation: Technology at the Neural Interface, EarlyView., 2021
Abstract Objectives Spinal cord stimulation (SCS) is a treatment for chronic neuropathic pain. Recently, SCS has been enhanced further with evoked compound action potential (ECAP) sensing. Characteristics of the ECAP, if appropriately isolated from concurrent stimulation artifact (SA), may be used to control, and aid in the programming of, SCS systems.
Krishnan Chakravarthy, James FitzGerald, Andrew Will, Karen Trutnau, Robert Corey, David Dinsmoor, Leonid Litvak   +6 more
wiley   +1 more source