Results 11 to 20 of about 133,386 (262)
AC-DC DAB Converter with Power Factor Correction
AC-DC conversion is required in many applications, and in some of them isolation is strictly required, certainly while maintaining characteristics such as a high power factor and low input current THD. In this paper, an AC-DC converter, comprising a full-
Pablo Guzmán +5 more
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Multi-Phase Interleaved AC–DC Step-Down Converter with Power Factor Improvement
This paper presents the converter design of a single-phase non-isolated step-down controlled rectifier for power factor improvement and output voltage regulation.
Jose M. Sosa-Zuniga +3 more
doaj +1 more source
A Compact Circular Rectenna for RF-Energy Harvesting at ISM Band
With low-power gadgets proliferating, the development of a small, effective rectenna is crucial for wirelessly energizing devices. A simple circular patch with a partial ground plane for RF-energy harvesting at ISM (2.45 GHz) band is proposed in this ...
Lalbabu Prashad +2 more
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To efficiently supply wide-range DC voltage from a pulse-width modulation (PWM) rectifier, this paper presents a single-phase, full-wave, diode-bridge, single-ended primary-inductor converter-type (SEPIC-type) power-factor-correction (PFC) rectifier in ...
Hsin-Jang Shieh, Ying-Zuo Chen
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A Novel Communication System For Deaf And Dumb People using gesture [PDF]
Human Beings know each other and contact with themselves through thoughts and ideas.The best way to present our idea is through speech. Some people don’t have the power of speech; the only way they communicate with others is through sign language.
Ambavane Pritesh +5 more
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Rectifiable sets, measures, currents and varifolds are foundational concepts in geometric measure theory. The last four decades have seen the emergence of a wealth of connections between rectifiability and other areas of analysis and geometry, including deep links with the calculus of variations and complex and harmonic analysis.
openaire +4 more sources
Recent Trends and Challenges in Near-Field Wireless Power Transfer Systems
In recent years, wireless power transfer (WPT) has become a widespread method for charging and powering devices, including but not limited to consumer electronics, industrial applications, electric vehicles, medical devices, and sensor nodes.
Elisabetta Moisello +3 more
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A Compact Rectifier Design Method Utilizing Harmonics
This paper proposes a compact rectifier design method for utilizing harmonics. Based on total reflection generated by pure reactance loads at the second harmonic (2nd) and open circuit at the third harmonic (3rd), a compact DC-pass filter is designed to ...
Xuelong Qin +3 more
doaj +1 more source
Tri-Band Rectenna Dedicated to UHF RFID, GSM-1800 and UMTS-2100 Frequency Bands
The omnipresence of connected objects leads to the quasi-permanent presence of electromagnetic waves from different sources in our environment. This article presents a new electromagnetic energy harvesting device, rectenna type, which offers the ...
Ognadon Assogba +4 more
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Techno-Economic Assessment of Hydrogen Usage in a Smart Grid, Employing a Staggered Optimization Algorithm [PDF]
A sustainable energy economy implies high shares of volatile renewable energy sources and requires the use of energy storage technologies. Hydrogen is a very flexible energy carrier and can be employed as a large-scale energy storage in electric grids ...
Speckmann Friedrich-Wilhelm +2 more
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