Results 81 to 90 of about 10,351 (307)

An Efficient Method Based on the Electromagnetic Time Reversal to Locate Faults in Power Networks [PDF]

, 2014
This paper presents a new method based on the electromagnetic time-reversal (EMTR) theory for locating faults in power networks. The applicability of the EMTR technique to locate faults is first discussed.
Reza Razzaghi, Gaspard Lugrin, Farhad Rachidi, Rachidi-Haeri, Farhad, Lugrin, Gaspard, Mahmoudimanesh, Hossein, Rachidi, Farhad, Carlos Romero, Manesh, Hossein, Mario Paolone, Hossein Mahmoudimanesh, Romero, Carlos, Paolone, Mario, Razzaghi, Reza   +13 more
core   +1 more source

Current Status and Challenges in Data Collection for Aerospace Coatings Deposited by Plasma Spraying

Advanced Engineering Materials, EarlyView.
An innovative approach has been integrated into the GRENAT project to optimize plasma spraying and coating performance. Raw materials are accelerated and melted in the plasma generated by torches, creating coatings. Monitoring sensors collect process data which are combined with ex situ characterization data.
Lila Randriamananjara, Vincent Rat, Quentin Dubreuil, Patrice Valorge, Simon Goutier, Alain Denoirjean, Olivier Messe, Céline Ruelle, Jean‐Philippe Poli   +8 more
wiley   +1 more source

Evaluating Fault Dynamics and Transient Responses in Extra-High-Voltage Transmission Networks

Journal of Electrical and Computer Engineering
Transient overvoltage and overcurrent in extra-high-voltage networks can have a significant impact on system design and operation. This work investigates various types of faults in the high-voltage transmission network of practical power system, 400 kV ...
Mohammed El-Shahat, Khaled Alawasa
doaj   +1 more source

Fault Detection and Classification of Power Plant Using Neural Networks

Tikrit Journal of Engineering Sciences
This study focuses on the root causes of power station problems that result in system shutdown. A power plant may experience many types of faults, some of which include, for example, line-to-line, double-line-to-ground, and single-line-to-ground ...
Rawaa J. Hussein, Khalaf S. Gaeid, Amin Al-Habaibeh   +2 more
doaj   +1 more source

Arcing High Impedance Fault Detection Using Real Coded Genetic Algorithm

, 2007
Safety and reliability are two of the most important aspects of electric power supply systems. Sensitivity and robustness to detect and isolate faults can influence the safety and reliability of such systems.
Zamanan, N., Sykulski, J.K., Al-Othman, A.K.   +2 more
core  

Cathodic Cage Plasma Deposition of Nanostructured Cu–Fe–Se Coatings on Poly(methyl Methacrylate)

Advanced Engineering Materials, EarlyView.
Nanostructured Cu–Fe–Se coatings are deposited on PMMA by a modified cathodic cage plasma process, enabling low‐temperature deposition on polymer substrates. A transition from discontinuous to compact morphology is observed with temperature, with optimal properties at 200°C, where improved CuFeSe2‐type bonding, lowest sheet resistance, and favorable ...
V. S. S. Sobrinho, M. Naeem, T. H. C. Costa, M. S. Libório, J. C. A. Queiroz, C. B. B. Luna, R. R. M. Sousa, P. S. Vieira, E. M. Araújo   +8 more
wiley   +1 more source

HSPAN-GNN-based fault detection for power transmission lines

EURASIP Journal on Advances in Signal Processing
Abstract To supply uninterrupted electric power is extremely crucial for the economy and daily life. The traditional manual inspection method for power transmission line fault detection has many disadvantages. Although deep learning has been applied in power transmission line detection, existing schemes have deficiencies in complex ...
Ximing Zhang, Zhiming Wang, Huan Xu, Liang Zhao, Yupeng Wei, Jiguang Zhao, Bing Tian, Na Zhang   +7 more
openaire   +1 more source

Observer-based Fault Detection and Diagnosis for Mechanical Transmission Systems with Sensorless Variable Speed Drives

, 2015
Observer based approaches are commonly embedded in sensorless variable speed drives for the purpose of speed control. It estimates system variables to produce errors or residual signals in conjunction with corresponding measurements. The residual signals
Gu, Fengshou, Ball, Andrew, Zhang, R., Abusaad, Samieh   +3 more
core  

An Experimental High‐Throughput Approach for the Screening of Hard Magnet Materials

Advanced Engineering Materials, EarlyView.
An entire workflow for the high‐throughput characterization and analysis of compositionally graded magnetic films is presented. Characterization protocols, data management tools and data analysis approaches are illustrated with test case Sm(Fe, V)12 based films.
William Rigaut, Pierre Le Berre, Hamdi Jaballah, Lukas Fink, Victor Poline, Richard Haettel, Stéphane Grenier, Gilbert Chahine, Ewen Bellec, Guillaume Buatier, Wilfried Hortschitz, Santa Pile, Thomas Schrefl, Nils Blanc, Yuan Hong, Thibaut Devillers, Nora M. Dempsey   +16 more
wiley   +1 more source

Analysis and Performance Evaluation of CLCC Applications in Key Power Transmission Channels

Energies
The YZ-ZJ DC transmission project addresses significant power transmission challenges in a specific region’s power grid, which faces unique pressures due to overlapping “growth” and “transition” periods in energy demand.
Kang Liu, Baohong Li, Qin Jiang
doaj   +1 more source