Results 11 to 20 of about 157,159 (302)
Sensors, 2022 Radio frequency energy harvesting (RF-EH) is a potential technology via the generation of electromagnetic waves. This advanced technology offers the supply of wireless power that is applicable for battery-free devices, which makes it a prospective ...
Husam Hamid Ibrahim +6 more
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AC-DC DAB Converter with Power Factor Correction
Energies, 2022 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
Micromachines, 2023 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
Desain Antena Hexagonal Patch Array Berbasis Sistem Transfer Daya Wireless pada Frekuensi 2,4 GHz
Jurnal Elektronika dan Telekomunikasi, 2016 Pada penelitian ini telah didesain antena hexagonal patch array yang dapat digunakan sebagai perangkat catu daya wireless. Antena hexagonal patch array ini didesain untuk menangkap gelombang radio (RF) pada frekuensi 2,4 GHz yang dapat diaplikasikan ...
Herma Nugroho R. A. K. +2 more
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A Compact Circular Rectenna for RF-Energy Harvesting at ISM Band
Micromachines, 2023 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
doaj +1 more source
Energies, 2017 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]
ITM Web of Conferences, 2020 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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Impact of 5G Waveforms on Energy Harvesting Rectifier Performance [PDF]
, 2019 In this paper, an evaluation of impact of 5 MHz 5G FBMC waveforms on energy harvesting rectifier performance is presented. The 5 MHz 5G FBMC signals are used in Matlab.
Budimir, D. +5 more
core +1 more source
, 2022 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
Techno-Economic Assessment of Hydrogen Usage in a Smart Grid, Employing a Staggered Optimization Algorithm [PDF]
E3S Web of Conferences, 2021 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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