Results 101 to 110 of about 43,696 (308)

Propagation of Partial Discharge Pulses in Winding

Advances in Electrical and Electronic Engineering, 2004
A lot of measurements of the attenuation of partial discharge pulses on the model of winding was realized in the HighVoltage Laboratory of the Czech Technical University in Prague.
Karel Zalis
doaj  

Comparison of contact measurement and free-space radiation measurement of partial discharge signals [PDF]

, 2015
Two partial discharge (PD) measurement techniques, a contact measurement technique (similar to the IEC 60270 standard measurement) and a free-space radiation (FSR) measurement technique, are compared for the case of a floating electrode PD source.
Jaber, Adel, Atkinson, Robert, Glover, I. A., M F Q Vieira, R Atkinson, Vieira, M F Q, Upton, D., B Saeed, Vieira, M.F.Q., I A Glover, Khan, Umar; id_orcid, Zhang, Y., Vieira, M. F Q, Y Zhang, Mohamad, Hamd, P Lazaridis, M Judd, Khan, Umar, Lazaridis, Pavlos, Atkinson, R., Vieira, M. F. Q., Glover, I.A., U Khan, Jaber, A., A Jaber, Judd, M., Zhang, Y, Judd, M, Lazaridis, P., H Ahmed, Mather, P., Ahmed, H., Upton, David, Saeed, B., Glover, Ian, P Mather, D Upton, Mather, Peter, Khan, U.   +38 more
core   +1 more source

β‐Catenin/c‐Myc Axis Modulates Autophagy Response to Different Ammonia Concentrations

Advanced Biology, Volume 9, Issue 3, March 2025.
Ammonia, detoxified by the liver into urea and glutamine, impacts autophagy differently at varying levels. Low ammonia activates autophagy via c‐Myc and β‐catenin, while high levels suppress it. Using Huh7 cells and Spf‐ash mice, c‐Myc's role in cytoprotective autophagy is revealed, offering insights into hyperammonemia and potential therapeutic ...
S. Sergio, B. Spedicato, G. Corallo, A. Inguscio, M. Greco, D. Musarò, D. Vergara, A. F. Muro, G. De Sabbata, L. R. Soria, N. Brunetti Pierri, M. Maffia   +11 more
wiley   +1 more source

Study of surface discharge behaviour at the oil-pressboard interface

, 2013
This thesis is concerned with the surface discharge behaviour at the oil-pressboard interface. For large transformers this is classified as a serious failure mode because it can lead to catastrophic failure under normal AC voltage operating conditions ...
Zainuddin, H
core  

Thermodynamic Pathways of Nonequilibrium Solidification in Wire‐Arc Additive Manufacturing Fe‐Based Multicomponent Alloy Structures

Advanced Engineering Materials, EarlyView.
Geometry‐driven thermal behavior in wire‐arc additive manufacturing (WAAM) influences microstructural evolution during nonequilibrium solidification of a chemically complex Fe–Cr–Nb–W–Mo–C nanocomposite system. By comparing different deposits configurations, distinct entropy–cooling rate correlations, segregation, and carbide evolution are revealed ...
Blanca Palacios, Anthony Gonzalez, Aleksander Aleman, Tyler Dolmetsch, Tanaji Paul, Arvind Agarwal   +5 more
wiley   +1 more source

Condition Monitoring of Power Cables

, 2007
A National Grid funded research project at Southampton has investigated possible methodologies for data acquisition, transmission and processing that will facilitate on-line continuous monitoring of partial discharges in high voltage polymeric cable ...
Swaffield, D J, Hao, L, Swingler, S G, Lewin, P L   +3 more
core  

Tailored Hierarchical Porous Copper Architectures via Three Dimensional Printing and Pressure‐less Sintering for Next‐Generation Lithium‐Metal Batteries

Advanced Engineering Materials, EarlyView.
A hierarchical porous copper current collector is fabricated via three‐dimensional printing combined with pressureless sintering to stabilize lithium metal anodes. The interconnected architecture lowers local current density, guides uniform Li deposition within pores, and suppresses dendrite growth.
Alok Kumar Mishra, Mukul Shukla
wiley   +1 more source

A novel calibration method for PD measurement in power cables and joints using capacitive couplers

, 2004
Partial discharge (PD) measurements are universally accepted as a technique giving some indication of the state of the insulation in high voltage apparatus.
Xu, Y, Zhong, L, Chen, G
core  

Low‐Angle Grain Boundaries and Re‐Segregation in Single‐Crystalline Ni‐Base Superalloys

Advanced Engineering Materials, EarlyView.
This work demonstrates that Re‐segregation at low‐angle grain boundaries (LAGBs) in Ni‐base superalloys is influenced by misorientation angle. Advanced microscopy and atom probe tomography reveal that higher misorientation angles increases Re‐segregation.
Alireza B. Parsa, Aparna Saksena, Alesander Kostka, Pascal Thome, Felicitas Scholz, Alexandre Mussi, Christoph Somsen, Baptiste Gault, Jan Frenzel, Gunther Eggeler   +9 more
wiley   +1 more source

Partial discharge behaviour analysis of silicon nitride ceramics

Power Electronic Devices and Components
Silicon nitride ceramic, one of the most promising power electronics carrier board materials, is examined non-destructively by means of partial discharge measurement.
Johannes Drechsel, Henry Barth, Lars Rebenklau   +2 more
doaj   +1 more source