Results 31 to 40 of about 53,281 (221)

Análise Comparativa Entre O Controle Direto E Indireto De Injeção De Corrente Em Um D-statcom

Eletrônica de Potência, 2006
O D-STATCOM (Distribution Static Synchronous Compensator) é em sua essência uma fonte de tensão ac onde a magnitude, o ângulo de fase e a freqüência da tensão de saída podem ser controlados.
Antonio Carlos Borre, Amaury Simões Xavier, Flávio Gonçalves da Cruz Ribeiro, Mauricio Aredes   +3 more
doaj   +1 more source

Elective Tracheal Intubation With the VieScope—A Prospective Randomized Non-inferiority Pilot Study (VieScOP-Trial)

Frontiers in Medicine, 2022
BackgroundTracheal intubation is commonly performed after direct laryngoscopy using Macintosh laryngoscopes (MacL), but visualization of the larynx may be inadequate.
Martin Petzoldt, Yasmin Engels, Zohal Popal, Pischtaz A. Tariparast, Phillip B. Sasu, Andrés Brockmann, Mark A. Punke, Jörn Grensemann   +7 more
doaj   +1 more source

Topology assessment for 3 + 3 terminal offshore DC grid considering DC fault management [PDF]

, 2014
Peer ...
Jovcic, Dragan, Nguefeu, S., Taherbaneh, Mohsen, Taisne, J.P.   +3 more
core   +1 more source

Sub-THz Waveguide Spectroscopy of Coating Materials for Particle Accelerators

Condensed Matter, 2020
The electromagnetic characterisation of different materials for the inner wall coating of beam pipes is a long-standing problem in accelerator physics, regardless the purpose they are used for, since their presence may affect in an unpredictable way the ...
Andrea Passarelli, Can Koral, Maria Rosaria Masullo, Wilhelmus Vollenberg, Lucia Lain Amador, Antonello Andreone   +5 more
doaj   +1 more source

Active distribution power system with multi-terminal DC links [PDF]

, 2015
A fast power restoration operational scheme and relevant stabilizing control is proposed for active distribution power systems with multi-terminal DC network in replacement of the conventional normal open switches. A 9-feeder benchmark distribution power
Chen, Dong, Xu, Lie, Zhang, Wendian
core   +2 more sources

Design and implementation of an Inverse Neural Network Controller applied To VSC Converter for active and reactive Power Flow, based on regions of work

Revista Facultad de Ingeniería Universidad de Antioquia, 2014
Los Convertidores de Fuente de Tensión (VSC) son usualmente usados con inversores o convertidores en sistemas de transmisión de Alta Tensión de Corriente Continua (HVDC).
José Guillermo Guarnizo Marin, Nelson Díaz Aldana, César Trujillo Rodríguez   +2 more
doaj   +3 more sources

Multi-terminal HVDC grids with inertia mimicry capability [PDF]

, 2016
The high-voltage multi-terminal dc (MTDC) systems are foreseen to experience an important development in the next years. Currently, they have appeared to be a prevailing technical and economical solution for harvesting offshore wind energy. In this study,
Gharehpetian, Gevorg B., Luna Alloza, Álvaro, Rodríguez Cortés, Pedro, Rouzbehi, Kumars, Zhang, Weiyi   +4 more
core   +2 more sources

Coupling Influence on the dq Impedance Stability Analysis for the Three-Phase Grid-Connected Inverter

Energies, 2019
The dq impedance stability analysis for a grid-connected current-control inverter is based on the impedance ratio matrix. However, the coupled matrix brings difficulties in deriving its eigenvalues for the analysis based on the general Nyquist criterion.
Chuanyue Li, Taoufik Qoria, Frederic Colas, Jun Liang, Wenlong Ming, Francois Gruson, Xavier Guillaud   +6 more
doaj   +1 more source

Mechanism analysis and mitigation strategies for oscillatory instability of synchronous generators affected by voltage source converters

IET Generation, Transmission & Distribution, 2022
The electric power systems are experiencing a transformation to be characterized by power electronic devices, for example, voltage source converters (VSCs).
Yicheng Xue, Guoteng Wang, Zheren Zhang, Zheng Xu   +3 more
doaj   +1 more source

Available and novel plant-based carbon dots derived from Vaccaria Semen carbonisata alleviates liver fibrosis

Frontiers in Molecular Biosciences, 2023
Background: Liver fibrosis represents an intermediate stage in the progression of liver disease, and as of now, there exists no established clinical therapy for effective antifibrotic treatment.Purpose: Our aim is to explore the impact of Carbon dots ...
Yafang Zhao, Ertong Dai, Liyang Dong, Jinye Yuan, Yusheng Zhao, Tong Wu, Ruolan Kong, Menghan Li, Shuxian Wang, Long Zhou, Yingxin Yang, Hui Kong, Yan Zhao, Huihua Qu   +13 more
doaj   +1 more source