Results 31 to 40 of about 4,405,974 (289)

1T Capacitor-Less DRAM Cell Based on Asymmetric Tunnel FET Design

open access: yesIEEE Journal of the Electron Devices Society, 2015
In this work we propose and demonstrate the use of a Tunnel FET (TFET) as capacitorless DRAM cell based on TCAD simulations and experiments. We report more experimental results on Tunnel FETs implemented as a double-gate (DG) fully-depleted Silicon-On ...
Arnab Biswas, Adrian M. Ionescu
doaj   +1 more source

Capacitor-less VAR compensator based on matrix converter [PDF]

open access: yesNorth American Power Symposium 2010, 2010
Reactive power compensation in the electrical utility system employs static VAR compensators (SVCs) and static compensators (STATCOMs). However, these solutions are based upon large banks of capacitors, a component known to have reliability problems. Over decades of service life, these capacitors must be continuously monitored and periodically replaced
Divya Balakrishnan, Robert S. Balog
openaire   +1 more source

Direct control strategy for a four-level three-phase flying-capacitor inverter [PDF]

open access: yes, 2010
A direct predictive control strategy is proposed for a three-phase four-level flying-capacitor (FC) inverter in this paper. The balancing of the FC voltages, a challenge in applications with small capacitors and low switching frequencies, is done without
Llor, Ana-Maria   +2 more
core   +1 more source

Perforated Active Carbon and Pre-Lithiated Graphite Electrodes for High Performance Hybrid Lithium-ion Capacitors

open access: yesInternational Journal of Electrochemical Science, 2020
Lithium-ion capacitors are kinds of advanced energy storage systems, which possess performance of lithium-ion battery and electrical double layer capacitor.
Yifei Ren, Jing Li, Jianqiang Guo
doaj   +1 more source

Research on super-capacitor fast power control system

open access: yesEnergy Reports, 2022
In the context of carbon peak and carbon neutrality targets, high-proportion new energy power systems exhibit low inertia and weak damping characteristics. The frequency stability of the new power system has become a major problem for the safe and stable
Jicheng Fang   +3 more
doaj   +1 more source

A step-down nesting-type ac–ac converter combined with voltage equalizers and switched-capacitor simple converters

open access: yesEnergy Reports, 2020
In this paper, we present an inductor-less direct ac–ac converter with improved nesting-type topology. Unlike existing direct ac–ac converters, the proposed ac–ac converter combines a voltage equalizer and a switched-capacitor (SC) simple converter ...
Kei Eguchi   +4 more
doaj   +1 more source

An Identification Method for DC-Link Capacitor Capacitance of Grid Connected Inverter

open access: yesShanghai Jiaotong Daxue xuebao, 2022
DC-link for the capacitor is one of the most vulnerable components of the grid connected converter, whose capacitance identification will help to improve the system reliability by finding and replacing the aging capacitor in time.
ZHU Chenghao, WANG Han, SUN Guoqi, WEI Xiaobin, WANG Fuwen, CAI Xu
doaj   +1 more source

CAPACITOR-LESS LOW-DROPOUT VOLTAGE REGULATOR

open access: yesInternational Journal of Electronics and Electical Engineering, 2014
A 1.2-V 40-mA capacitor-free CMOS low-dropout regulator (LDO) for system-on-chip applications to reduce board space and external pins is presented. By utilizing damping-factor control frequency compensation on the advanced LDO structure, the proposed LDO provides high stability, as well as fast line and load transient responses, even in capacitorfree ...
SRIRANGANATHA SAGAR.K.N   +2 more
openaire   +1 more source

Switched capacitor networks : a novel prewarping procedure [PDF]

open access: yes, 1985
Bibliography: leaves 152-157.Novel methods for prewarping filter specifications prior to realization. in Switched Capacitor (SC) form are presented. These allow the design of arbitrary response requirements, exhibiting a low amount of error that normally
Campbell, Charles Robert Weston
core   +1 more source

A New Capacitor-Less Buck DC-DC Converter for LED Applications

open access: yesActive and Passive Electronic Components, 2017
In this paper, a new capacitor-less DC-DC converter is proposed to be used as a light emitting diode (LED) driver. The design is based on the utilization of the internal capacitance of the LED to replace the smoothing capacitor.
Munir Al-Absi   +2 more
doaj   +1 more source

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