Results 21 to 30 of about 305,492 (342)

Perspectives and challenges for lead-free energy-storage multilayer ceramic capacitors

open access: yesJournal of Advanced Ceramics, 2021
The growing demand for high-power-density electric and electronic systems has encouraged the development of energy-storage capacitors with attributes such as high energy density, high capacitance density, high voltage and frequency, low weight, high ...
Peiyao Zhao   +5 more
semanticscholar   +1 more source

Modelling approaches for DC-DC converters with switched capacitors [PDF]

open access: yes, 2015
In this paper we review relevant problems in the modelling of DC-DC converters with switched capacitors. We study several approaches that overcome the exposed modelling difficulties, addressing ideal and nonideal cases and using dynamic equations that ...
Rapisarda, P.   +2 more
core   +1 more source

Optimal Sizing and Placement of Capacitor Banks in Distribution Networks Using a Genetic Algorithm

open access: yesElectricity, 2021
Nowadays, response to electricity consumption growth is mainly supported by efficiency; therefore, this is the new main goal in the development of electric distribution networks, which must fully comply with the system’s constraints.
Gian Giuseppe Soma
doaj   +1 more source

Mutual capacitor and its applications

open access: yesThe Journal of Engineering, 2014
This study presents a new ac circuit element – the mutual capacitor, being a dual of the mutual inductor, which is also a new ac transformer. This element is characteristic of the mutual-capacitance coupling of a multi-capacitance system. A unity-coupled
Chun Li, Jason Li, Jieming Li
doaj   +1 more source

Electrochemical Zinc Ion Capacitors: Fundamentals, Materials, and Systems

open access: yesAdvanced Energy Materials, 2021
An electrochemical zinc ion capacitor (ZIC) is a hybrid supercapacitor composed of a porous carbon cathode and a zinc anode. Based on the low‐cost features of carbon and zinc metal, ZIC is a potential candidate for safe, high‐power, and low‐cost energy ...
Jian Yin   +4 more
semanticscholar   +1 more source

Measurement Procedures for the Electrical Characterization of Oxide Thin Films [PDF]

open access: yes, 2009
This paper describes a measurement system for the electrical characterization of oxide thin films. Such films can be produced using plasma-sputtering processes and permit the realization of a large set of high-performance components, such as capacitors ...
Parvis, Marco   +2 more
core   +1 more source

Electrospinning Synthesis of Na0.5Bi0.5TiO3 Nanofibers for Dielectric Capacitors in Energy Storage Application

open access: yesNanomaterials, 2022
Dielectric composites based on ferroelectric ceramics nanofibers are attracting increasing attention in capacitor application. In this work, the sol–gel method and electrospinning technology are utilized to prepare one-dimensional Na0.5Bi0.5TiO3 (NBT ...
Yuan Liu   +8 more
doaj   +1 more source

The optimal passive filters to minimize voltage harmonic distortion at a load bus [PDF]

open access: yes, 2005
This material is posted here with permission of the IEEE. Such permission of the IEEE does not in any way imply IEEE endorsement of any of Brunel University's products or services. Internal or personal use of this material is permitted.
Zobaa, AF
core   +1 more source

Design of a 100 kHz wide bandgap inverter for motor applications with active damped sine wave filter

open access: yesThe Journal of Engineering, 2019
In this study, a three-phase motor inverter with sinusoidal output voltages based on the application of gallium nitride transistors and advanced control is analysed.
Franz Maislinger   +4 more
doaj   +1 more source

2.5D Flexible Wind Sensor Using Differential Plate Capacitors

open access: yesSensors, 2021
In this paper, a novel 2.5-dimensional (2.5D) flexible wind sensor is proposed based on four differential plate capacitors. This design consists of a windward pillar, two electrode layers, and a support layer, which are all made of polydimethylsiloxane ...
Yu Wan, Zhenxiang Yi
doaj   +1 more source

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