High Output LED-Based Profile Lighting Fixture

Lajos Török, Szymon Beczkowski, Stig Munk-Nielsen, Jesper Hølledig Gadegaard, Thøger Kari Jensen, Kjeld Pedersen

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8 Citationer (Scopus)

Abstract

Recent developments in power light emitting diode (LED) industry have made LEDs suitable for being efficiently used in high intensity lighting fixtures instead of the commonly used high intensity discharge (HID) lamps. A high output LEDbased profile-light fixture is presented in this paper.
The system consists of a power supply with power factor correction (PFC), a LED-driver and an optical system designed for an overall high efficiency. An interleaved boost converter was chosen as PFC converter. A soft switching phase-shifted full-bridge converter with current doubler provides isolation from the grid and delivers the required voltage to the LEDdriver which is a dual interleaved buck converter. Twelve highpower CBT-90 LEDs have been connected in a 4xRGBconfiguration to deliver high output of saturated colors without the need for subtractive color filters. More than 6000 lm of fixture light output was measured.
OriginalsprogEngelsk
TitelProceedings of the 37th Annual Conference of IEEE Industrial Electronics Society, IECON 2011
Antal sider6
ForlagIEEE Press
Publikationsdato2011
Sider2941-2946
ISBN (Trykt)978-1-61284-969-0
ISBN (Elektronisk)1553-572X
DOI
StatusUdgivet - 2011
Begivenhed37th Annual Conference of IEEE Industrial Electronics Society, IECON 2011 - Melbourne, Australien
Varighed: 7 nov. 201110 nov. 2011

Konference

Konference37th Annual Conference of IEEE Industrial Electronics Society, IECON 2011
Land/OmrådeAustralien
ByMelbourne
Periode07/11/201110/11/2011

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