Results 21 to 30 of about 462,156 (302)

Emulating bearing faults : a novel approach [PDF]

, 2016
The relation between evolving mechanical faults in rotating electrical machines and their reflection in the machines’ electrical parameters still requires a lot of research. This implies serious obstructions in the evolution of e.g.
Corne, Bram, Desmet, Jan, Knockaert, Jos
core   +2 more sources

Investigation the dielectric strength and mechanical features of nitrile butadiene rubber enhanced by different nanoparticles

Egyptian Journal of Petroleum, 2023
To investigate the dielectric strength and mechanical features of modified nitrile butadiene rubber (NBR), titanium dioxide (TiO2) and magnesium oxide (MgO) nanoparticles have been used.
El-Sayed M. El-Refaie, L.S. Nasrat, M. Kh. Mohamed, I.A. Ibrahim   +3 more
doaj   +1 more source

High-speed electrical machines: technologies, trends and developments [PDF]

, 2014
This paper reviews the current technologies used in high speed electrical machines, through an extensive survey of different topologies developed and built in industry as well as in academia for several applications.
Boglietti, Aldo, Brown, Neil, Cavagnino, Andrea, Gerada, C., Gerada, David, Mebarki, Abdelslam   +5 more
core   +1 more source

Semi-physical demagnetization model for the temperature dependency of permanent magnets in electrical machines

AIP Advances, 2023
Losses during the operation of electrical machines heat up permanent magnets which in turn changes their demagnetization behavior. An elevation of permanent magnet’s temperature usually correlates to a decreasing remanence and coercivity.
Alexander Kern, Nora Leuning, Kay Hameyer   +2 more
doaj   +1 more source

Stator iron loss of tubular permanent-magnet machines [PDF]

, 2005
While methods of determining the iron loss in rotating permanent-magnet (PM) machines have been investigated extensively, the study of iron loss in linear machines is relatively poorly documented.
Amara, Y., Howe, D., Wang, J.B.
core   +1 more source

Automatic speed controller of a DC motor using Arduino and Variable Frequency Drive techniques [PDF]

E3S Web of Conferences
The programmed speed control of a DC engine is basic in numerous mechanical applications, where exact control of engine speed is required. In this paper, we propose a arrangement for programmed speed control of a DC engine utilizing an Arduino ...
Ibrahim Mayyadah Sahib, Kaittan Ali Sachit, Abdullah Ali Najim, Ali Mohammed Hasan   +3 more
doaj   +1 more source

An economic study concerning the cost reduction of the covered transmission conductors based on different optimization techniques

Results in Engineering, 2021
This research provides an innovative analysis for the economics of the medium voltage transmission lines that used Covered Conductors (CCs). This research concentrates on the effect of numerical methodologies based on Genetic Algorithm (GA), Grey Wolf ...
M. Talaat, Zeinab El-Shaarawy, M. Tayseer, A. El-Zein   +3 more
doaj   +1 more source

Development and application of energy-efficient medical beds based on IoT for patient monitoring [PDF]

E3S Web of Conferences
Later logical accomplishments and mechanical progresses have brought forward a gigantic show of modern or overhauled restorative gadgets, empowered with highly evolved embedded-control capacities and interactivity.
Kaittan Ali Sachit, Al-Nuaimi Ibrahim Ismael Ibrahim, Abdullah Ali Najim, Ali Mohammed Hasan   +3 more
doaj   +1 more source

Consolidation of LVFRT capabilities of microgrids using energy storage devices

Scientific Reports, 2023
The performance and dependability of distribution networks may be enhanced by the incorporation of microgrids (MGs). However, it is necessary to enhance low voltage fault-ride-through (LVFRT), which has the capacity to prevent abrupt grid disconnections ...
Aya M. Moheb, Enas A. El-Hay, Attia A. El-Fergany   +2 more
doaj   +1 more source

Analytical Model of Magnet Eddy-Current Volume Losses in Multi-phase PM Machines with Concentrated Winding [PDF]

, 2012
Thanks to IEEE. The original PDF of the article can be found at: http://ieeexplore.ieee.org/xpl/login.jsp?tp=&arnumber=6342330&url=http%3A%2F%2Fieeexplore.ieee.org%2Fxpls%2Fabs_all.jsp%3Farnumber%3D6342330 MHYGALE, project managed by VALEO-EEMthis ...
ASLAN, Bassel, LEGRANGER, Jerome, SEMAIL, Eric   +2 more
core   +4 more sources