NDLI: Street lighting system based on integrated buck-flyback converter to supply LEDs without energy consumption during the peak load time

Content Provider	IEEE Xplore Digital Library
Author	Pinto, R.A. Cosetin, M.R. Roncalio, J.G. Melo, M. Marchesan, T.B. Costa, M.A.D. do Prado, R.N.
Copyright Year	2011
Description	Author affiliation: Federal University of Santa Maria - UFSM, Brazil, Group of Intelligence in Lighting - GEDRE, Electrical and Computational Systems Research and Development Group - GSEC/CTISM (Pinto, R.A.; Cosetin, M.R.; Roncalio, J.G.; Melo, M.; Marchesan, T.B.; Costa, M.A.D.; do Prado, R.N.)
Abstract	This paper presents a street lighting system with high power factor based on light emitting diodes (LEDs). The use of LEDs allows energy saving, high luminous efficacy and high useful life to the proposed system. However, the main characteristic of this work is to develop a circuit that supplies the LEDs by an alternative source (battery) during the peak load time. The peak load time is considered as the period in which the demand for power from the mains is maximum, and therefore the generation of the power plants and transmission lines must be able to meet this demand. In this work, a bidirectional flyback converter with two outputs is used to supply the LEDs by mains and still charge the battery. To supply the LEDs by battery, the same converter is used. Besides, a buck converter is used as Power Factor Correction stage. The integration of these converters is performed in order to reduce the number of components and consequently, the volume and cost of the circuit. The complete circuit was implemented and experimental results are shown in order to validate the design methodology.
Starting Page	891
Ending Page	897
File Size	797804
Page Count	7
File Format	PDF
ISBN	9781457716447
ISSN	21758603
e-ISBN	9781457716461
e-ISBN	9781457716454
DOI	10.1109/COBEP.2011.6085276
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-09-11
Publisher Place	Brazil
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Capacitors Windings Switches Light emitting diodes Batteries DC/DC converters LEDs Inductance Bidirectional converter Peak Load Time Street Lighting Lighting Integrated converter
Content Type	Text
Resource Type	Article

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