Results 61 to 70 of about 10,125,610 (244)

On performance evaluation of high‐power, high‐bandwidth current measurement technologies for SiC switching devices

IET Power Electronics
Silicon carbide (SiC) power metal‐oxide‐semiconductor field‐effect transistors (MOSFETs) switch at an unprecedented speed, even at high currents. For accurate dynamic characterization, current sensors must measure high currents at a high bandwidth ...
Daniel A. Philipps, Dimosthenis Peftitsis   +1 more
doaj   +1 more source

Air‐Pressure–Actuated Vibroacoustic Metamaterial With Tunable Bandgap: Design, Modeling, and Characterization

Advanced Engineering Materials, EarlyView.
This article presents the design, modeling, and characterization of air‐pressure–actuated programmable vibroacoustic metamaterials (PVAMM). The study focuses on leveraging air pressure to dynamically tune resonance frequencies for effective noise attenuation.
William Kaal, Michael M. Becker, Sarah C. L. Fischer   +2 more
wiley   +1 more source

Story of a great Australian industry / Australian General Electric Limited.

, 1937
Cover title.; Added title pages: The manufacturing activities of Australian General Electric Limited. With camera and pen through a great Australian industry.; Electronic reproduction. Canberra, A.C.T.
Australian General Electric Ltd.
core  

Field Report from Collaborative Research Center 1625: Heterogeneous Research Data Management Using Ontology Representations

Advanced Engineering Materials, EarlyView.
A unified research data management framework for heterogeneous materials data is presented. The system integrates multimodal datasets using ontologies and knowledge graphs, enabling interoperability and FAIR (findable, accessible, interoperable, reusable) data principles. By linking data across scales and workflows, it supports reproducible, Artifitial
Doaa Mohamed, Samuel García Vázquez, Behnam Mardani, Victor Dudarev, Alfred Ludwig, Maribel Acosta, Markus Stricker   +6 more
wiley   +1 more source

Space charge determination in HVDC power cable and its influence on electric field

, 2010
Considerable amount of transmission and distribution of electricity is carried out by power cable. At present, most high voltage direct current (HVDC) installation uses traditional (oil-impregnated paper insulation and oil-filled-types) cables which pose
Choo, Chin Tze
core   +1 more source

Series arc‐fault diagnosis using convolutional neural network via generalized S‐transform and power spectral density

IET Generation, Transmission & Distribution
It is difficult to identify an arc fault accurately when the loads on the user side are more complicated, which hinders the development of low‐voltage monitoring and pre‐warning inspection.
Penghe Zhang, Yiwei Qin
doaj   +1 more source

Simulation of the Influence of DC Electric Field Generators with Space Charges on Electric Field Calibration

Energies
To improve the measurement accuracy of direct current (DC) electric field measurement devices in ion flow fields, it is necessary to consider the impact of space charges on the calibration of DC electric field measurements.
Wei Song, Manling Dong, Xiaokuo Kou, Jiatao Zhang, Chaofeng Zhang, Weifeng Xin, Zeyan Shi, Yanzhao Wang   +7 more
doaj   +1 more source

Development of a Wireless Sensor Network for Distributed Measurement of Total Electric Field under HVDC Transmission Lines

International Journal of Distributed Sensor Networks, 2014
A wireless sensor network-based distributed measurement system is designed for collecting and monitoring the electric field under the high voltage direct current (HVDC) transmission lines.
Yong Cui, Jianxun Lv, Haiwen Yuan, Luxing Zhao, Yingyi Liu, Hao Yang   +5 more
doaj   +1 more source

THE DESIGN OF DISPLAY DIGITAL DATA INTERFACE CLAMP-METER COMPLEMENTED BY SENSOR GMR (GIANT MAGNETORESISTANCE)

Spektra: Jurnal Fisika dan Aplikasinya, 2020
This article discusses the design of a robust data interface system that displays an electric current using the GMR sensor. Robust measurement of electrical current to detect magnetic fields contained in the current-carrying wire.
Yulkifli Yulkifli, Fitri Afriani, Yohandri Yohandri, Ramli Ramli   +3 more
doaj   +1 more source

Affecting the Properties of Copper–Graphene Electroconductive Composite by Severe Plastic Deformation

Advanced Engineering Materials, EarlyView.
Copper‐based composites enhanced with carbon feature convenient mechanical properties and favorable electric conductivity. Processing via deformation and thermomechanical treatments can introduce advantageous microstructures further enhancing their performance. Herein, copper–graphene powder‐based composites are directly consolidated via rotary swaging
Radim Kocich, Lenka Kunčická, Pavel Czernek, Zifan Wang   +3 more
wiley   +1 more source