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Please use this identifier to cite or link to this item: http://hdl.handle.net/10651/41045

Title: Multi-cell three phase ac-dc driver for HB-LED lighting applications
Author(s): Castro Álvarez, Ignacio
González Lamar, Diego
Arias Pérez de Azpeitia, Manuel
Hernando Álvarez, Marta María
Sebastián Zúñiga, Francisco Javier
Keywords: Three-phase, AC-DC power conversion
Power Factor Correction
HB-LED driver
Loss Free Resistor
Issue date: 2017
Publisher: IEEE
Publisher version: http://dx.doi.org/10.1109/TIA.2017.2686802
Citation: IEEE Transactions on Industry Applications, 53(4), p. 3803-3813 (2017); doi:10.1109/TIA.2017.2686802
Abstract: High Brightness Light-Emitting Diodes (HB-LEDs) are becoming omnipresent across all aspects of illumination products, due to their incredible characteristics: efficiency, reliability, long lifetime, controllability, etc. This paper proposes power conversion topologies to drive medium to high power HB-LEDs in three phase power grids when these connection is available. For that reason, an evaluation of several drivers for medium to high power HB-LEDs in three-phase power grids is done. Moreover, a new topology is proposed which complies with IEC 1000-3-2 Class C requirements, achieves high Power Factor (PF), low Total Harmonic Distortion (THD), as well as, the capability to have a flicker free behaviour while disposing of the bulk capacitor and having galvanic isolation. The HB-LED driver is based on a modular approach with several cells working together with their inputs connected to the three-phase network and their outputs connected in parallel generating a dc output. Each one of these cells is a DC-DC converter operating as a Loss Free Resistor (LFR). In order to validate the concept a prototype has been built by the use of flyback converters operating in Discontinuous Conduction Mode (DCM). Furthermore, it operates in the full range of the European three-phase line voltage, which varies between 380V and 420V, and it supplies an output voltage of 48V with maximum power of 90 W
URI: http://hdl.handle.net/10651/41045
ISSN: 0093-9994
Sponsored: Spanish Government under Project MINECO-13-DPI2013-47176-C2-2-R, the Principality of Asturias under the “Severo Ochoa” grant BP14-140 and the Project FC-15-GRUPIN14-143 and by the European Regional Development Fund (ERDF) grants
Project id.: MINECO-13-DPI2013-47176-C2-2-R
Appears in Collections:Artículos
Ingeniería Eléctrica, Electrónica, de Computadores y Sistemas
Investigaciones y Documentos OpenAIRE

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