Results 21 to 30 of about 2,714,438 (302)
Compact fluorescent lamps, LED lamps and harmonic distortion [PDF]
Journal of Physics: Conference Series, 2015 The aim of this paper is to evaluate the harmonic distortion in the current waveform of Compact Fluorescent Lamps (CFL) and Lamps Lighting Emitting Diode (LED). For this, we analysed the power factor, voltage waveform, current waveform, total harmonic distortion (THD) and active power consumed.
A M R Franco +5 more
openaire +1 more source
Energies, 2023 High-quality lighting of premises in the cultivation of farm animals is an important condition for the successful development of the agro-industrial complex.
Igor M. Dovlatov +5 more
doaj +1 more source
Dharma Raflesia, 2020 Bahan material yang digunakan untuk lampu hias seperti bahan kaca, dan akrilik. Kaca atau papan akrilik dapat terlihat menarik dan menawan maka dipasang lampu led agar dapat mengeluarkan cahaya yang indah.
Yanolanda Suzantry Handayani +2 more
doaj +1 more source
Power factor improvement on LED lamp driver using BIFRED converter
, 2020 This paper presents the implementation of a power converter to improve power factor for LED lamp driver. The power converter which used in this system is the integration of boost and flyback converter (boost integrated flyback rectifier energy storage DC-
M. Z. Efendi +3 more
semanticscholar +1 more source
Energies, 2022 The comparison of the results obtained using two methods for measuring the radio disturbance emissions produced by compact lighting drivers in the frequency range of 30 to 300 MHz has been presented in this paper.
Kazimierz Kuryło +3 more
doaj +1 more source
Light Flicker and Power Factor Labels for Comparing LED Lamp Performance
IEEE transactions on industry applications, 2019 According to current energy efficiency labels, the majority of light-emitting diode (LED) lamps on the market are considered as highly efficient devices.
A. Collin +4 more
semanticscholar +1 more source
The new design and technological solutions for the led modules for retrofit lamps
Tekhnologiya i Konstruirovanie v Elektronnoi Apparature, 2016 The authors propose fundamentally new design-technological solutions for compact volumetric mirrorized LED modules with increased power. Test samples of volumetric light-effective LED light effective modules with a power of 10–15 W and light output of ...
B. M. Борщов +9 more
doaj +1 more source
Study on Nitrogen-Doped Graphene Ink and Its Effects on the Heat Dissipation for the LED Lamps
Applied Sciences, 2020 This study explored the application of nitrogen-doped graphene (NDG) ink to the coating of light-emitting diode (LED) lamps for the thermal management.
Ah-Der Lin +4 more
doaj +1 more source
Machines, 2023 We present the electrical and optical design, assembling, and thorough experimental characterization of two compact arrays of short-wavelength ultraviolet (UV-C) light-emitting diodes (LEDs) suitable for near-field irradiation.
Sarah Bollanti +6 more
doaj +1 more source
PRODUCTION AND QUALITY OF JAPANESE QUAIL EGGS SUBMITTED TO ENVIRONMENTS WITH DIFFERENT LIGHT SPECTRUMS [PDF]
Engenharia Agrícola, 2018 The aim of this research was to evaluate the performance of Japanese quail (Coturnix coturnix japonica), with 94 (+49) days of age, through the production and quality of the eggs, with the birds kept in environments illuminated with LED lamps in the ...
Dermeval A. Furtado +4 more
doaj +1 more source