Results 101 to 110 of about 14,305 (269)
On the performance of UHV-ICEMS experiments
, 1990 Integral Conversion Electron Mössbauer Spectroscopy (ICEMS) when aimed at the study of clean surfaces in UHV often leads to unfavourable measuring geometry and consequently to long recording times.
Sauer, Ch. +5 more
core +1 more source
Thin Fluoride Insulators for Improved 2D Transistors: From Deposition Methods to Recent Applications
physica status solidi (RRL) – Rapid Research Letters, EarlyView.2D materials hold significant promise for next‐generation electronic and optoelectronic devices, but suitable gate dielectrics are still a challenge. Fluoride insulators, offering inert, dangling‐bond‐free surfaces, have recently emerged as strong candidates. This review covers recent publications on high‐quality fluoride thin‐film deposition and their
Behzad Dadashnia +3 more
wiley +1 more source
Liquid‐Processed 2D Aromatic Amorphous Carbon: Defect Engineering and Universal Transport Scaling
Small, EarlyView.Liquid‐processed graphene oxide (GO) thin films undergo a controllable crystalline–to–amorphous transition driven by thermal quenching. By kinetically tuning oxygen‐driven defect formation during reduction, scalable 2D aromatic amorphous carbon phases are stabilized, directly linking nanoscale disorder and defect topology to electronic transport ...
Fabiola Liscio +22 more
wiley +1 more source
, 2011 This document includes the optimization of substation connector geometries and protections for ± 800 kV DC and 1200 kV AC transmission systems. Connectors were obtained from SBI Connectors catalog using current geometries and materials. Parametric simulations have been carried out to determine the electric field on connectors surface as ...
Hernández Guiteras, Joan +1 more
openaire +1 more source
High Voltage, EarlyView.ABSTRACT Currently, limited research exists on the structural response and protection methods of the converter transformer tank for ± 800 kV ultra‐high voltage direct current transmission project to high energy arc faults. This research investigates the dynamic response and the vulnerable areas of the ultra‐high voltage converter transformer under the ...
Ke Wang +5 more
wiley +1 more source
High Voltage, EarlyView.ABSTRACT Radio interference (RI) is a critical factor in the design of extra‐high voltage (EHV) transmission lines at high altitudes. To address the insufficient field data of RI on high‐altitude transmission lines, the lack of adequate validation for existing RI prediction methods, and the difficulty in assessing RI levels under various meteorological
Yemao Zhang +6 more
wiley +1 more source
Fabrication et caractérisation de nano-rubans de graphène par gravure électronique directe
, 2012 Le graphène est l'un des candidats les plus prometteurs pour la fabrication des futurs dispositifs électroniques. Ses remarquables propriétés électroniques découlent de sa structure atomique et sont caractérisés par un gaz bidimensionnel d'électrons à l ...
Linas, Sébastien
core
Dynamic Behaviour of Bubbles in Oil Under Electrothermal Ageing
High Voltage, EarlyView.ABSTRACT During long‐term operation of converter transformers, the internal oil–pressboard insulation undergoes irreversible degradation. Partial discharge in the weakened insulation will cause the formation of a large number of bubbles in the insulating oil.
Hongbin Wu +7 more
wiley +1 more source
, 2008 The main focus of the thesis is on the actuator, which is used for nanopositioning of laser beam in-site AFM (Atomic Force Microscopy). The appropriate shape of supply pulse and frequencies were searched and optimized.
Pavelec, Jiří
core
Influence of Arc Faults on Pressure Production Characteristics in AC Turret of UHV Transformers
High Voltage, EarlyView.ABSTRACT The overpressure caused by arc fault in the oil tank can lead to a transformer explosion. Since the AC turret of transformers serves to connect the transformer windings with the AC busbar, the arc current can be extremely high if an earth fault arc occurs leading to potentially hazardous pressure.
Yuhang Li +4 more
wiley +1 more source