Results 1 to 10 of about 18,729 (193)

Fractional order equivalent series resistance modelling of electrolytic capacitor and fractional order failure prediction with application to predictive maintenance

IET Power Electronics, 2016
Being one of the most used passive components in power electronics, electrolytic capacitors have the shortest life span due to their wear‐out failure which is mainly caused by vaporisation and deterioration of capacitor electrolyte. Knowing these two phenomena increase equivalent series resistance (ESR) of the capacitor, tracking ESR value over the ...
Hadi Malek, Sara Dadras, Yangquan Chen
openaire   +3 more sources

Ab-initio theory of metal-insulator interfaces in a finite electric field

, 2007
We present a novel technique for calculating the dielectric response of metal/insulator heterostructures. This scheme allows, for the first time, the fully first-principles calculation of the microscopic properties of thin-film capacitors at finite bias ...
F. Giustino, Massimiliano Stengel, Nicola A. Spaldin, R. D. King-Smith   +3 more
core   +1 more source

Series-, Parallel-, and Inter-Connection of Solid-State Arbitrary Fractional-Order Capacitors: Theoretical Study and Experimental Verification

IEEE Access, 2018
In this paper, general analytical formulas are introduced for the determination of equivalent impedance, magnitude, and phase, i.e., order, for n arbitrary fractional-order capacitors (FoCs) connected in series, parallel, and their interconnection.
Aslihan Kartci, Agamyrat Agambayev, Norbert Herencsar, Khaled N. Salama   +3 more
doaj   +1 more source

Hybrid feedback control of PMSG-based WECS with multilevel flying-capacitor inverter enhanced by fractional order extremum seeking

e-Prime: Advances in Electrical Engineering, Electronics and Energy
This paper proposes an original hybrid control strategy for a three-phase multilevel flying capacitor inverter (FCI) used in wind energy conversion system (WECS).
Younes El Khlif, Abdelmounime El Magri, Rachid Lajouad, Omar Bouattane   +3 more
doaj   +1 more source

Analytical Design of Printed-Circuit-Board (PCB) Metagratings for Perfect Anomalous Reflection

, 2018
We present an analytical scheme for the design of realistic metagratings for wide-angle engineered reflection. These recently proposed planar structures can reflect an incident plane wave into a prescribed (generally non-specular) angle with very high ...
Epstein, Ariel, Rabinovich, Oshri
core   +1 more source

Modeling and Analysis of Caputo–Fabrizio Definition-Based Fractional-Order Boost Converter with Inductive Loads

Fractal and Fractional
This paper proposes a modeling and analysis method for a Caputo–Fabrizio (C-F) definition-based fractional-order Boost converter with fractional-order inductive loads.
Donghui Yu, Xiaozhong Liao, Yong Wang
doaj   +1 more source

Sub-electron Charge Relaxation via 2D Hopping Conductors

, 2006
We have extended Monte Carlo simulations of hopping transport in completely disordered 2D conductors to the process of external charge relaxation. In this situation, a conductor of area $L \times W$ shunts an external capacitor $C$ with initial charge ...
Adkins C J, Apsley N, Apsley N, Averin D V, Bakhvalov N S, de Jong M J M, Efros A L, Kaplan D Kinkhabwala Y Korotkov A Sverdlov V Likharev K, Kinkhabwala Y A, Kinkhabwala Y A, Kogan Sh, Konstantin K Likharev, Kuzmin L S, Likharev K K, Mott N F, Mott N F, Pollack M, Rentzsch R, Shklovskii B I, Shklovskii B I, van der Meer M, Wasshuber C, Yusuf A Kinkhabwala   +22 more
core   +1 more source

Optimization Design Method for Full-Bridge LLC Resonant Converter Based on Fractional-Order Characteristics of Resonant Tank

Fractal and Fractional
The full-bridge LLC resonant converter is one of the most suitable converters for high-power, high-efficiency applications. Although the design methodologies for full-bridge LLC resonant converters are already well-established, the development of the ...
Xiaoquan Zhu, Chentao Ma, Haochi He
doaj   +1 more source

Competing `soft' dielectric phases and detailed balance in thin film manganites

, 2011
Using frequency dependent complex capacitance measurements on thin films of the mixed-valence manganite (La$_{1-y}$Pr$_{y}$)$_{1-x}$Ca$_{x}$MnO$_{3}$, we identify and resolve the individual dielectric responses of two competing dielectric phases.
Biswas, Amlan, Hebard, Arthur F., Mickel, Patrick R.   +2 more
core   +1 more source

Quantized dynamics of a coherent capacitor

, 2008
A quantum coherent capacitor subject to large amplitude pulse cycles can be made to emit or reabsorb an electron in each half cycle. Quantized currents with pulse cycles in the GHz range have been demonstrated experimentally.
Buttiker, M., Moskalets, M., Samuelsson, P.   +2 more
core   +1 more source