Results 1 to 10 of about 325,777 (335)

Investigation on C and ESR Estimation of DC-Link Capacitor in Maglev Choppers Using Artificial Neural Network

open access: yesEnergies, 2022
The reliability of capacitors is one of the most important issues in power electronics. The health status of capacitors can be evaluated through the comparison of estimated C/ESR values with their original values.
Xiaoyu Chen, Xin Yang, Yue Zhang
doaj   +1 more source

LCL Filter Parameter and Hardware Design Methodology for Minimum Volume Considering Capacitor Lifetimes

open access: yesEnergies, 2022
A design methodology for minimum volume of LCL filters applied to grid connected converters is proposed. It combines the determination of filter parameter values (inductances and capacitances) to hardware design (component technology and inductor ...
Pedro C. Bolsi   +4 more
doaj   +1 more source

Degradation indicators for power electronic converters

open access: yesTecnología en Marcha, 2023
Power electronic converters are an important element in the interaction between source and load. In fact, failures in this system often lead to bigger problems.
Ramiro Alejandro Plazas-Rosas   +2 more
doaj   +1 more source

The Efficiency of Vapor Compression Transformation of Energy Flows for Heat Supply Based on the Sea Water

open access: yesИзвестия высших учебных заведений и энергетических объединенний СНГ: Энергетика, 2021
The results of the analytical study substantiated the operating conditions for the highly efficient use of the temperature potential of seawater in heat pump heating systems (HPHS) for buildings a building with correspondingly improved environmental ...
V. D. Petrash   +2 more
doaj   +1 more source

Phase relations in resonant circuits with a wide falling section on the amplitude characteristic [PDF]

open access: yesE3S Web of Conferences, 2020
This article examines the features of circuits in order to determine the possibility of their use for controlling thyristors when building new, simple and reliable circuits for controlling boost voltage stabilizers. In ferroresonant circuits connected to
Usmanov E.G, Khusanov B.M
doaj   +1 more source

Low-Temperature Synthesis of Titanium Oxynitride Nanoparticles

open access: yesNanomaterials, 2021
The synthesis of transition metal oxynitrides is complicated by extreme reaction conditions such as high temperatures and/or high pressures. Here, we show an unprecedented solution-based synthesis of narrowly dispersed titanium oxynitride nanoparticles ...
Felicitas Jansen   +5 more
doaj   +1 more source

STUDY ON THE MANAGEMENT OF ELECTRICAL EQUIPMENT AND WASTE ELECTRICAL EQUIPMENT WITH PCB CONTENT IN MARAMUREȘ COUNTY, ROMANIA [PDF]

open access: yesCarpathian Journal of Electrical Engineering, 2021
This study highlights the management of electrical equipment and waste electrical equipment with PCB content inventoried in Romania. Because it is mandatory to phase out such equipment with concentrations of at least 50 ppm at a volume of more than 5 dm3
Irina SMICAL, Olivian CHIVER
doaj  

Design and Simulation of a Second-Order Universal Switched- Capacitor Filter as a 10-Pin Dual-In-Line Package Integrated Circuit [PDF]

open access: yesEngineering and Technology Journal, 2012
This paper explains the design of a Universal (Low, High, Band and Notch) Second-Order Filter using switched capacitor (SC) technique. The design depends on the crystal oscillator circuit that generates two non-overlapping clocks by making full use of ...
Abdul Kareem K. A. Raheem   +3 more
doaj   +1 more source

CONDENSER STRUCTURES BASED ON BARIUM TITANATE FILMS FORMED BY SOL-GEL METHOD

open access: yesDoklady Belorusskogo gosudarstvennogo universiteta informatiki i radioèlektroniki, 2020
The objective of the work is investigation the dielectric permittivity and dielectric loss tangent of BaTiO3 films in a capacitor structure formed by sol – gel method on a Si/TiOx/Pt substrate.
P. A. Kholov   +7 more
doaj   +1 more source

Electrochemical Polarization Part 2: Electrochemical Devices

open access: yesElectrochemistry, 2022
In this paper, examples of polarization measurements with a battery, electric double-layer capacitor, and fuel cell are discussed. The analysis of the polarization of a real cell and analytical methodology are described.
Hiroyuki USUI   +5 more
doaj   +1 more source

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