Results 31 to 40 of about 6,045,136 (309)

A Passive Battery Management System for Lead-Acid battery [PDF]

EPJ Web of Conferences
One of the dangerous issues that can appear when working with batteries is the imbalance of the cell. To overcome this problem, the battery management systems (BMS) can provide balancing by extracting or adding charge according to the needs.
Pop Adrian Augustin, Inte Razvan, Oprea Claudiu, Ruba Mircea   +3 more
doaj   +3 more sources

Computation of Optimal Current References for Flux-weakening of Multi-Phase Synchronous Machines [PDF]

, 2012
Multi-phase synchronous machines are more and more used in specific applications where high power density, low bus voltage, wide speed range and fault-tolerant capabilities are required. Due to the high number of degrees of freedom, multi-phase machines
Bassel Aslan, LU, Li, ASLAN, Bassel, Paul Sandulescu, Eric Semail, SANDULESCU, Paul, MEINGUET, Fabien, Li Lu, KESTELYN, Xavier, F. Meinguet, Luc Kobylanski, SEMAIL, Eric, KOBYLANSKI, Luc, Xavier Kestelyn   +13 more
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

Analytical and circuital modeling of commutation transients in phase-split synchronous motors supplied by multiple load commutated inverters

, 2008
Phase-split synchronous motors supplied by multiple three-phase Load Commutated Inverters are of importance in high power applications. A criticality of such systems is the possibility that commutations within different stator windings may overlap ...
Simone Castellan, TESSAROLO, ALBERTO, CASTELLAN, Simone, Alberto Tessarolo   +3 more
core   +1 more source

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

Ceramic-like Composite Systems for Winding Insulation of Electrical Machines [PDF]

, 2020
Insulating sheets, impregnants and encapsulation materials commonly used for winding insulation offer low thermal conductivities. This leads to an increased heating of the winding of electrical machines and to the existence of hotspots.
Schuhman, Thomas, Buddenbohm, Markus, Mathias Lindner, Cebulski, Bernd, Schubert, Ralph, Jeannette Kuhn, Jakob Jung, Thomas Schuhmann, Markus Beyreuther, Schuhmann, Thomas, Schuffenhauer, Uwe, Uwe Schuffenhauer, Miersch, Sören, Jung, Jakob, Bernd Cebulski, Ralph Schubert, Markus Buddenbohm, Lindner, Mathias, Beyreuther, Markus, Kuhn, Jeannette, Soren Miersch   +20 more
core   +1 more source

Comparative Study of Induction Motor De-Rating Factors [PDF]

The Egyptian International Journal of Engineering Sciences and Technology, 2017
Induction motors are the commonly used motors in power industries, due to its lowprice, maintenance and easy to control, it consumes about 40% of the electricalenergy all over the world.
H Abdo, N Elsonbaty, F Abdel-Kader, M Enanya   +3 more
doaj   +1 more source

An Advanced Control Performance of a Sophisticated Stand-Alone Wind-Driven DFIG System

International Transactions on Electrical Energy Systems, 2023
To supply resident loads far from the grid, a stand-alone wind system with a small-scale wind turbine and battery storage can be used. The traditional configuration of the system has a permanent-magnet synchronous generator (PMSG).
Omar E. M. Youssef, Mohamed G. Hussien, Abd El-Wahab Hassan   +2 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

Automated Settings of Overcurrent Relays Considering Transformer Phase Shift and Distributed Generators Using Gorilla Troops Optimizer

Mathematics, 2023
The relative protective devices are cascaded in a proper sequence with a proper min/max coordination time margin (CTM) to minimize the outage area of the network in case of fault condition. This manuscript addresses a new methodology based on the gorilla
Abdelmonem Draz, Mahmoud M. Elkholy, Attia A. El-Fergany   +2 more
doaj   +1 more source