Results 111 to 120 of about 193,903 (304)

Time domain analysis of switching transient fields in high voltage substations

, 2009
Switching operations of circuit breakers and disconnect switches generate transient currents propagating along the substation busbars. At the moment of switching, the busbars temporarily acts as antennae radiating transient electromagnetic fields within ...
Siew, W.H., Musa, B.U., Judd, M.D.
core  

Active vibration isolation using an electrical damper or an electrical dynamic absorber

, 2008
This paper describes a theoretical and experimental study to show how an electrical damper or an electrical dynamic absorber, implemented using an electromagnetic actuator and an accelerometer, can control vibration transmission through a vibration ...
Pietrzko, S., Brennan, M.J., Kim, Sang-Myeong   +2 more
core   +1 more source

Estimarea impactului factorilor de influenţă asupra fiabilităţii reţelelor electrice

Agricultural Science, 2014
Currently, in electrical networks take place a large number of planned and unplanned disconnections, which interrupt the power supply and affect consumers causing economic damages.
POPESCU Victor
doaj  

Predictive Torque Control of Permanent Magnet Motor for New-Energy Vehicles Under Low-Carrier-Ratio Conditions

World Electric Vehicle Journal
The model predictive-torque-control strategy of a permanent magnet synchronous motor (PMSM) has many advantages such as a fast dynamic response and the ease of implementation.
Zhiqiang Wang, Zhichen Lin, Xuefeng Jin, Yan Yan   +3 more
doaj   +1 more source

Visual Monitoring Technology for Substation Vulnerable High-Voltage Electrical Equipment Based on ISSA-LSTM Deep Learning Model Coupling Video Overlay Algorithm. [PDF]

Comput Intell Neurosci, 2022
Wang S, Ding X, Tan Q.
europepmc   +1 more source

Microstructure, Thermal Transport, and Dry‐Sliding Tribology of Powder‐Metallurgy Al7075 Composites Reinforced With Sol–Gel‐Derived ZnO–rGO Hybrid Nanoparticles

Advanced Engineering Materials, EarlyView.
Sol–gel‐derived ZnO–rGO hybrid nanoparticles enable Al7075 powder‐metallurgy composites to achieve concurrent gains in hardness and thermal conductivity while markedly lowering friction and wear. The hybrid architecture couples ZnO‐based load support with rGO‐assisted lamellar sliding and heat spreading, revealing a promising route toward lightweight ...
Bunyamin Aksakal, Cevher Kursat Macit, Merve Ayık, Hakan Tutumlu   +3 more
wiley   +1 more source

Equipment health monitoring (EHM) algorithm for electrical devices

, 2019
This dissertation report proposes a new scheme for fault detection and prognosis in electrical devices with intelligent data analysis method. In the background of industrial 4.0, AI and IoT technology, an industrial revolution was coming all over the ...
Xie, Yihang
core  

Numerical Analysis, Experimental Validation, and Application of DC Interruption With Parallel Vacuum Interrupters

International Transactions on Electrical Energy Systems
Large-capacity high voltage direct current circuit breakers (HVDC CBs) are critical equipment for achieving reliable operation of future multiterminal HVDC systems.
Siyuan Liu, Yifan Chen, Jinchao Chen, Mengze Yu, Zhiyuan Liu, Yingsan Geng   +5 more
doaj   +1 more source

Nucleic acid extraction without electrical equipment via magnetic nanoparticles in Pasteur pipettes for pathogen detection. [PDF]

Anal Biochem, 2021
Kang J, Li Y, Zhao Y, Wang Y, Ma C, Shi C.   +5 more
europepmc   +1 more source

Electrified Damage in Motion Systems

Advanced Engineering Materials, EarlyView.
The electrified damage in motion systems is a fundamental framework presenting the degradation pathway arising from the coupling of electrical energy transport with mechanical contact and interfacial chemistry. The framework positions electrified damage as a distinct degradation regime with unique characteristic surface morphologies and failures of ...
M. Humaun Kabir, Angelina Nguyen, Hong Liang   +2 more
wiley   +1 more source