Zobrazeno 1 - 9
of 9
pro vyhledávání: '"Fernando J. Nogueira"'
Autor:
Fernando J. Nogueira, Cristiano G. Casagrande, Edmar S. Silva, Lucas H. G. Resende, Henrique A. C. Braga, Felipe B. Marinho
Publikováno v:
2017 Brazilian Power Electronics Conference (COBEP).
This paper presents a discussion about the use of a low frequency Cuk-based pre-regulator as an offline LED driver and its application to a street lighting LED luminaire. This AC-DC converter may provide high power factor, low input current distortio
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::36b13b1a96f8ec4152ee224394649b79
https://doi.org/10.1109/cobep.2017.8257387
https://doi.org/10.1109/cobep.2017.8257387
Autor:
Ruan M. Ferraz, Lucas H. G. Resende, Cristiano G. Casagrande, Henrique A. C. Braga, Fernando J. Nogueira, Felipe B. Marinho
Publikováno v:
2017 Brazilian Power Electronics Conference (COBEP).
This paper presents an offline LED driver based a low-frequency boost converter and its application to street lighting luminaires. The analysis of the boost pre-regulator is revised and two simplified methods of microcontrolled control are proposed.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::18cccde17ceb62e70d97560e2c9c81ac
https://doi.org/10.1109/cobep.2017.8257429
https://doi.org/10.1109/cobep.2017.8257429
Autor:
Thales S. Gomide, Mateus F. Braga, Fernando J. Nogueira, Edmar S. Silva, Henrique A. C. Braga
Publikováno v:
2015 IEEE 13th Brazilian Power Electronics Conference and 1st Southern Power Electronics Conference (COBEP/SPEC).
This paper presents a discussion about the use of a low frequency Cuk-based pre-regulator as an offline LED driver and its application to a street lighting LED luminaire. This simple AC-DC converter may provide high power factor, low input current di
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::580a89af66e444f297ee31a631f939a6
https://doi.org/10.1109/cobep.2015.7420243
https://doi.org/10.1109/cobep.2015.7420243
Autor:
Edmar S. Silva, Henrique A. C. Braga, Fernando J. Nogueira, Mateus F. Braga, Thales S. Gomide
Publikováno v:
ISIE
This paper presents a discussion about the use of a low frequency boost pre-regulator as offline LED driver and its application to a street lighting LED luminaire. This simple and low cost converter may provide high power factor, low input current di
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f3f822b24ad2d6c359089d16cd7be4f6
https://doi.org/10.1109/isie.2015.7281638
https://doi.org/10.1109/isie.2015.7281638
Autor:
Fernando J. Nogueira, Mateus F. Braga, Marcos F. C. Campos, Henrique A. C. Braga, Luiz H. Gouveia
Publikováno v:
2014 11th IEEE/IAS International Conference on Industry Applications.
A study methodology aimed to compare two low power lamp technologies, T8 fluorescent and linear T8 LED lamps, is presented. Electrical parameters and temperature measurements are compared as well as an analysis of the obtained results from digital si
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4a835dbeaa12cb20be962bfc2da50a47
https://doi.org/10.1109/induscon.2014.7059469
https://doi.org/10.1109/induscon.2014.7059469
Autor:
Danilo P. Pinto, Henrique A. C. Braga, Luiz H. Gouveia, Cristiano G. Casagrande, Lais A. Vitoi, Fernando J. Nogueira
Publikováno v:
2014 11th IEEE/IAS International Conference on Industry Applications.
This paper deals with the study of the pilot project of street lighting using LED luminaires on the campus of Federal University of Juiz de Fora. Over twenty nine months the system was monitored in order to evaluate the performance of this technology
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::75ad08bf816cece36dabe79d44c4c66a
https://doi.org/10.1109/induscon.2014.7059470
https://doi.org/10.1109/induscon.2014.7059470
Autor:
Danilo P. Pinto, Igor D. Melo, Henrique A. C. Braga, Cristiano G. Casagrande, Vinicius M. de Albuquerque, Luiz H. Gouveia, Fernando J. Nogueira
Publikováno v:
2014 11th IEEE/IAS International Conference on Industry Applications.
The main purpose of this paper is to analyze the performance of LED luminaries and to analyze the remote management integrated into them. These luminaires come with a remote monitoring system based on ZigBee protocol, and it allows wireless communica
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e6ddba55ef16473ab98584b71f04e483
https://doi.org/10.1109/induscon.2014.7059464
https://doi.org/10.1109/induscon.2014.7059464
Autor:
Cristiano G. Casagrande, Claudio R. B. S. Rodrigues, Fernando J. Nogueira, Marcos F. C. Campos, Henrique A. C. Braga
Publikováno v:
IECON
The human eye presents different visual responses for different luminosity conditions. Thus, it can be defined different regimes of operation of the human visual system, like photopic and scotopic regimes, for high and low luminance levels respective
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d8df89f0b70d305bb7ae0ce3b6a91391
https://doi.org/10.1109/iecon.2013.6700132
https://doi.org/10.1109/iecon.2013.6700132
Publikováno v:
XI Brazilian Power Electronics Conference.
Since light-emitting diodes (LEDs) are a rising lighting technology, a great amount of research is currently being focused on driving techniques for these current-fed semiconductor devices. For realizing efficient current drivers, power electronics i
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::431695b5c89dca5d001295d2ecf45240
https://doi.org/10.1109/cobep.2011.6085242
https://doi.org/10.1109/cobep.2011.6085242