A Family of High Frequency AC-LED Drivers Based on ZCS-QRCs

A family of dimmable AC-LED drivers fed from dc voltages, is presented in this paper based on Zero Current Switching Quasi-Resonant Converters (ZCS-QRCs). The proposed family of drivers is based on replacing the diode in conventional converter topologies (i.e. buck, boost or buck-boost) by a string...

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Detalles Bibliográficos
Autores: Castro Álvarez, Ignacio|||0000-0002-1151-4205, González Lamar, Diego|||0000-0002-1208-0250, López Fernández, Sergio, Martín Díaz, Kevin|||0000-0002-6980-4125, Arias Pérez de Azpeitia, Manuel|||0000-0002-0897-8594, Sebastián Zúñiga, Francisco Javier|||0000-0002-9717-866X
Tipo de recurso: artículo
Fecha de publicación:2017
País:España
Institución:Universidad de Oviedo (UNIOVI)
Repositorio:RUO. Repositorio Institucional de la Universidad de Oviedo
Idioma:inglés
OAI Identifier:oai:digibuo.uniovi.es:10651/44933
Acceso en línea:http://hdl.handle.net/10651/44933
https://dx.doi.org/10.1109/TPEL.2017.2780234
Access Level:acceso abierto
Palabra clave:LED driver
AC-LED
ZCS-QRC
Buck-boost
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repository_id_str
spelling A Family of High Frequency AC-LED Drivers Based on ZCS-QRCsCastro Álvarez, Ignacio|||0000-0002-1151-4205González Lamar, Diego|||0000-0002-1208-0250López Fernández, SergioMartín Díaz, Kevin|||0000-0002-6980-4125Arias Pérez de Azpeitia, Manuel|||0000-0002-0897-8594Sebastián Zúñiga, Francisco Javier|||0000-0002-9717-866XLED driverAC-LEDZCS-QRCBuck-boostA family of dimmable AC-LED drivers fed from dc voltages, is presented in this paper based on Zero Current Switching Quasi-Resonant Converters (ZCS-QRCs). The proposed family of drivers is based on replacing the diode in conventional converter topologies (i.e. buck, boost or buck-boost) by a string of High-Brightness Light-Emitting Diodes (HB-LED). Hence, the HB-LED string will be working as the rectifier diode and the load, switching at the same frequency of the main switch. In this case, the output current, which is experimentally validated, shows a negative current peak due to the reverse-recovery effect of the HB-LEDs. In order to reduce the reverse-recovery effect on the HB-LEDs, the main switch of the proposed topologies is replaced with a full-wave resonant switch, which makes possible to reduce the di/dt during the turn-off of the HB-LED string, therefore the reverse recovery effect is eliminated. Moreover, the dimming of the HB-LEDs is done by means of changing the switching frequency of the converter, by varying the turn-off while keeping a constant turn-on time. In order to validate the analysis, the proposed topologies have been experimentally tested on a constructed prototype with an output power of 7.5 WThis work has been supported in part by the Spanish Government under Project MINECO-13-DPI2013-47176-C2-2-R and the Principality of Asturias under the grants “Severo Ochoa” BP14-140 and BP14-85, Project FC-15-GRUPIN14-143 and Project SV-PA-17-RIS3-4, and in part by European Regional Development Fund (ERDF) grantsIEEE20172017-01-01journal articlehttp://purl.org/coar/resource_type/c_6501AMhttp://purl.org/coar/version/c_ab4af688f83e57aainfo:eu-repo/semantics/articlehttp://hdl.handle.net/10651/44933https://dx.doi.org/10.1109/TPEL.2017.2780234reponame:RUO. Repositorio Institucional de la Universidad de Oviedoinstname:Universidad de Oviedo (UNIOVI)Inglésengopen accesshttp://purl.org/coar/access_right/c_abf2info:eu-repo/semantics/openAccessoai:digibuo.uniovi.es:10651/449332026-06-07T06:38:51Z
dc.title.none.fl_str_mv A Family of High Frequency AC-LED Drivers Based on ZCS-QRCs
title A Family of High Frequency AC-LED Drivers Based on ZCS-QRCs
spellingShingle A Family of High Frequency AC-LED Drivers Based on ZCS-QRCs
Castro Álvarez, Ignacio|||0000-0002-1151-4205
LED driver
AC-LED
ZCS-QRC
Buck-boost
title_short A Family of High Frequency AC-LED Drivers Based on ZCS-QRCs
title_full A Family of High Frequency AC-LED Drivers Based on ZCS-QRCs
title_fullStr A Family of High Frequency AC-LED Drivers Based on ZCS-QRCs
title_full_unstemmed A Family of High Frequency AC-LED Drivers Based on ZCS-QRCs
title_sort A Family of High Frequency AC-LED Drivers Based on ZCS-QRCs
dc.creator.none.fl_str_mv Castro Álvarez, Ignacio|||0000-0002-1151-4205
González Lamar, Diego|||0000-0002-1208-0250
López Fernández, Sergio
Martín Díaz, Kevin|||0000-0002-6980-4125
Arias Pérez de Azpeitia, Manuel|||0000-0002-0897-8594
Sebastián Zúñiga, Francisco Javier|||0000-0002-9717-866X
author Castro Álvarez, Ignacio|||0000-0002-1151-4205
author_facet Castro Álvarez, Ignacio|||0000-0002-1151-4205
González Lamar, Diego|||0000-0002-1208-0250
López Fernández, Sergio
Martín Díaz, Kevin|||0000-0002-6980-4125
Arias Pérez de Azpeitia, Manuel|||0000-0002-0897-8594
Sebastián Zúñiga, Francisco Javier|||0000-0002-9717-866X
author_role author
author2 González Lamar, Diego|||0000-0002-1208-0250
López Fernández, Sergio
Martín Díaz, Kevin|||0000-0002-6980-4125
Arias Pérez de Azpeitia, Manuel|||0000-0002-0897-8594
Sebastián Zúñiga, Francisco Javier|||0000-0002-9717-866X
author2_role author
author
author
author
author
dc.subject.none.fl_str_mv LED driver
AC-LED
ZCS-QRC
Buck-boost
topic LED driver
AC-LED
ZCS-QRC
Buck-boost
description A family of dimmable AC-LED drivers fed from dc voltages, is presented in this paper based on Zero Current Switching Quasi-Resonant Converters (ZCS-QRCs). The proposed family of drivers is based on replacing the diode in conventional converter topologies (i.e. buck, boost or buck-boost) by a string of High-Brightness Light-Emitting Diodes (HB-LED). Hence, the HB-LED string will be working as the rectifier diode and the load, switching at the same frequency of the main switch. In this case, the output current, which is experimentally validated, shows a negative current peak due to the reverse-recovery effect of the HB-LEDs. In order to reduce the reverse-recovery effect on the HB-LEDs, the main switch of the proposed topologies is replaced with a full-wave resonant switch, which makes possible to reduce the di/dt during the turn-off of the HB-LED string, therefore the reverse recovery effect is eliminated. Moreover, the dimming of the HB-LEDs is done by means of changing the switching frequency of the converter, by varying the turn-off while keeping a constant turn-on time. In order to validate the analysis, the proposed topologies have been experimentally tested on a constructed prototype with an output power of 7.5 W
publishDate 2017
dc.date.none.fl_str_mv 2017
2017-01-01
dc.type.none.fl_str_mv journal article
http://purl.org/coar/resource_type/c_6501
AM
http://purl.org/coar/version/c_ab4af688f83e57aa
dc.type.openaire.fl_str_mv info:eu-repo/semantics/article
format article
dc.identifier.none.fl_str_mv http://hdl.handle.net/10651/44933
https://dx.doi.org/10.1109/TPEL.2017.2780234
url http://hdl.handle.net/10651/44933
https://dx.doi.org/10.1109/TPEL.2017.2780234
dc.language.none.fl_str_mv Inglés
eng
language_invalid_str_mv Inglés
language eng
dc.rights.none.fl_str_mv open access
http://purl.org/coar/access_right/c_abf2
dc.rights.openaire.fl_str_mv info:eu-repo/semantics/openAccess
rights_invalid_str_mv open access
http://purl.org/coar/access_right/c_abf2
eu_rights_str_mv openAccess
dc.publisher.none.fl_str_mv IEEE
publisher.none.fl_str_mv IEEE
dc.source.none.fl_str_mv reponame:RUO. Repositorio Institucional de la Universidad de Oviedo
instname:Universidad de Oviedo (UNIOVI)
instname_str Universidad de Oviedo (UNIOVI)
reponame_str RUO. Repositorio Institucional de la Universidad de Oviedo
collection RUO. Repositorio Institucional de la Universidad de Oviedo
repository.name.fl_str_mv
repository.mail.fl_str_mv
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score 15,300719

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