Results 81 to 90 of about 113,753 (307)

Two-stage power conversion architecture for an LED driver circuit [PDF]

open access: yes, 2013
This paper presents a merged-two-stage circuit topology suitable for efficient LED drivers operating from either wide-range dc input voltage or ac line voltage.
Lim, Seungbum   +3 more
core   +1 more source

Infrared Nanocrystals for Space Application: Hardness to Irradiations

open access: yesAdvanced Functional Materials, EarlyView.
This article investigates infrared HgTe nanocrystals under X‐ray and ion irradiation, revealing remarkable radiation hardness. It uncovers distinct degradation mechanisms and shows that the nanomaterial outperforms integrated electronics. The results position colloidal nanocrystals as promising candidates for resilient space and harsh‐environment ...
Alexandre Neyret   +22 more
wiley   +1 more source

Pemanfaatan Harmonisa pada Beban Non Linier Sebagai Sumber Energi Menggunakan Full Bridge DC-DC Converter dan Inverter [PDF]

open access: yes, 2011
Penggunaan beban non linier seperti VSD menimbulkan harmonisa yang besar. Dengan timbulnya harmonisa tersebut maka dilakukan pengurangan spektrum harmonisa dengan cara pemasangan filter pasif. Daya pada induktor pada filter dapat
Efendi, M. Zaenal   +2 more
core   +2 more sources

Design, Modelling and simulation of two-phase twostage electronic system with orthogonal output for supplying of two-phase asm [PDF]

open access: yes, 2011
This paper deals with the two-stage two-phase electronic systems with orthogonal output voltages and currents - DC/AC/AC. Design of two-stage DC/AC/AC high frequency converter with two-phase orthogonal output using single-phase matrix converter is also ...
Dobrucký, Branislav   +3 more
core   +3 more sources

Magnetism and Nonlinear Charge Transport in NiFe2O4/γ‐Al2O3/SrTiO3 Heterostructure: Toward Spintronic Applications

open access: yesAdvanced Functional Materials, EarlyView.
In this report, we demonstrate that a crystalline phase of 52nm thick NiFe2O4 can be grown by RF sputtering on top of γ‐Al2O3(8nm)/SrTiO3 at a significantly low temperature (150 °C) without compromising the mobility and carrier density of the 2D electron gas at the γ‐Al2O3(8nm)/SrTiO3 interface.
Amit Chanda   +11 more
wiley   +1 more source

Multi-Stage DC-AC Converter Based on new DC-DC converter for energy conversion [PDF]

open access: yesJournal of Operation and Automation in Power Engineering, 2016
This paper proposes a multi-stage power generation system suitable for renewable energy sources, which is composed of a DC-DC power converter and a three-phase inverter.
Mohammadreza Banaei
doaj  

Cost and losses associated with offshore wind farm collection networks which centralise the turbine power electronic converters [PDF]

open access: yes, 2013
Costs and losses have been calculated for several different network topologies, which centralise the turbine power electronic converters, in order to improve access for maintenance.
Anaya-Lara, Olimpo, Parker, Max
core   +1 more source

Pixelation‐Free, Monolithic Iontronic Pressure Sensors Enabling Large‐Area Simultaneous Pressure and Position Recognition via Machine Learning

open access: yesAdvanced Functional Materials, EarlyView.
A pixelation‐free, monolithic iontronic pressure sensor enables simultaneous pressure and position sensing over large areas. AC‐driven ion release generates spatially varying impedance pathways depending on the pressure. Machine learning algorithms effectively decouple overlapping pressure–position signals from the multichannel outputs, achieving high ...
Juhui Kim   +10 more
wiley   +1 more source

Operation of Stand Alone PV Generating System for Supplying Unbalanced AC Loads

open access: yesIranian Journal of Electrical and Electronic Engineering, 2007
This paper describes a DC isolated network which is fed with Distributed Generation (DG) from photovoltaic (PV) renewable sources for supplying unbalanced AC loads.
R. Noroozian   +3 more
doaj  

A study of Schwarz converters for nuclear powered spacecraft [PDF]

open access: yes
High power space systems which use low dc voltage, high current sources such as thermoelectric generators, will most likely require high voltage conversion for transmission purposes.
Schwarze, Gene E., Stuart, Thomas A.
core   +1 more source

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