Results 31 to 40 of about 4,497 (155)

A PWM current source-based DC transmission system for multiple wind turbine interfacing [PDF]

, 2014
A pulsewidth modulation (PWM) current source wind energy conversion system based on a parallel configuration for high voltage direct current application is proposed.
Ahmed, Khaled Hani, Williams, Barry W., Xia, Yuanye   +2 more
core   +1 more source

Imaging and Linking Spatial Magnetic Nanoparticle Distribution to Microbead Torques Using Soft X‐Ray Laminography

Advanced Physics Research, EarlyView.
Nanoscale 3D imaging of superparamagnetic microbeads via soft X‐ray laminography reveals the structural origin of the observed torques in cell movement experiments. These microbeads are found to have an uneven distribution of magnetic magnetite nanoparticles.
Findan Block, Finn Klingbeil, Dennis Seidler, Christine Arndt, Sandra Sindt, Katharina Witte, Benjamin Watts, Jörg Raabe, Christine Selhuber‐Unkel, Jeffrey McCord   +9 more
wiley   +1 more source

A Model-based Predictive Current Controller for a Back-to-Back Connected Multilevel Converter Aerospace Starter-Generator [PDF]

, 2016
The application of predictive current control to a multilevel converter is explored for application in an aerospace starter-generator system to investigate how such as system may be used to limit the harmonic distortion in the starter-generator’s ...
Foster, M.P., Stone, D., Williams, R.
core   +1 more source

High Thermoelectric Performance Achieved by Manipulating the Band Structure and Lattice Dislocations in n‐Type Ge/Pb/Br Codoped Polycrystalline SnSe

Carbon Energy, EarlyView.
Pb/Ge/Br codoping in n‐type polycrystalline SnSe induces band convergence and high‐density dislocations, yielding a high power factor of 7.47 μW cm−1 K−2 and ultralow lattice thermal conductivity. Consequently, a peak ZT of 1.6 is achieved, overcoming the traditional performance limitations of n‐type SnSe.
Pubao Peng, Yang Geng, Jiajun Nan, Song Li, Dewei Zhang, Qing Lin, Yaru Gong, Guodong Tang   +7 more
wiley   +1 more source

New control algorithm for single-phase series active power filter [PDF]

, 2015
This paper presents a single-phase Series Active Power Filter (Series APF) for mitigation of the load voltage harmonic content, while maintaining the voltage on the DC side regulated without the support of a voltage source.
Afonso, João L., Freitas, Manuel S., Pinto, J. G., Teixeira, Nuno F.   +3 more
core   +1 more source

From Ship to Shore: A Review of Vessel‐To‐Grid Bidirectional Charging for Sustainable Maritime Transport

EcoEnergy, EarlyView.
As maritime transport electrifies, bidirectional charging (V2G) offers a dual‐purpose solution for energy resilience and economic viability. This work identifies key technological advancements and lifecycle challenges utilizing practical case studies to demonstrate how V2G systems can drive decarbonization and grid stability in the marine sector ...
Jonathan Bloor, Tamer Kamel, Sarah Fear, Lee J. Durndell   +3 more
wiley   +1 more source

Gas analyzer for bi-gaseous mixtures Patent [PDF]

, 1967
Gas analyzer for bi-gaseous mixtures suitable for use in test ...
Melfi, L. T., Jr., Wood, G. M., Jr., Yeager, P. R.   +2 more
core   +1 more source

A BIST solution for frequency domain characterization of analog circuits [PDF]

, 2010
This work presents an efficient implementation of a BIST solution for frequency characterization of analog systems. It allows a complete characterization in terms of magnitude and phase, including also harmonic distortion and offset measurements.
Barragán Asián, Manuel José, Rueda Rueda, Adoración, Vázquez García de la Vega, Diego   +2 more
core   +1 more source

DFT Insight Into Physical Properties of Halide Ions Replacements in Oxo‐Selenate Halide Compounds for Photovoltaic Application

Energy Science &Engineering, EarlyView.
Using density functional theory (CASTEP, GGA–PBE), the structural, electronic, optical, and mechanical properties of YSeO₃X (X = F, Cl, Br, and I) compounds are systematically investigated. The materials have exhibited structural stability, tunable band gaps, strong optical absorption, anisotropic ductile behavior, and promising potential for ...
Nawishta Jabeen, Ahmad Hussain, Ali Yaqoob, Omer Musa, Aseel Smerat, Joy Djuansjah   +5 more
wiley   +1 more source

Robust Control Using a Matrix Converter to Enhance Wind Turbine Systems

Energy Science &Engineering, EarlyView.
This study uses a more efficient and effective solution to improve the operational performance of a wind turbine‐based power system. This system uses a doubly fed induction generator and relies on a matrix converter and fractional‐order proportional–integral controller.
Sihem Ghoudelbourk, Habib Benbouhenni, Adil Yahdou, Zakaria Mohamed Salem Elbarary, Nicu Bizon   +4 more
wiley   +1 more source