Improved switching strategy for selective harmonic elimination in DC-AC signal generation via pulse-width modulation

We present an advanced design methodology for pulse-width-modulated (PWM) DC-AC signal generation. Using design methods based on the Walsh transform, AC sinusoidal signals can be approximated by suitable PWM signals. For different AC amplitudes, the switching instants of the PWM signals can be effic...

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Authors: Palacios Quiñonero, Francisco|||0000-0002-1022-8880, Vicente Rodrigo, Jesús|||0000-0002-8355-4783, Molina Hernández, M. Antonia|||0000-0001-8899-1934, Karimi, Hamid Reza
Format: article
Publication Date:2013
Country:España
Institution:Universitat Politècnica de Catalunya (UPC)
Repository:UPCommons. Portal del coneixement obert de la UPC
Language:English
OAI Identifier:oai:upcommons.upc.edu:2117/20457
Online Access:https://hdl.handle.net/2117/20457
https://dx.doi.org/10.1155/2013/870904
Access Level:Open access
Keyword:Walsh functions
Harmonic analysis
Electric current converters
Walsh, Funcions de
Anàlisi harmònica
Convertidors de corrent elèctric
Àrees temàtiques de la UPC::Enginyeria electrònica
id ES_cda8e23d58e520b9fbef86ba2ad57b3f
oai_identifier_str oai:upcommons.upc.edu:2117/20457
network_acronym_str ES
network_name_str España
repository_id_str
spelling Improved switching strategy for selective harmonic elimination in DC-AC signal generation via pulse-width modulationPalacios Quiñonero, Francisco|||0000-0002-1022-8880Vicente Rodrigo, Jesús|||0000-0002-8355-4783Molina Hernández, M. Antonia|||0000-0001-8899-1934Karimi, Hamid RezaWalsh functionsHarmonic analysisElectric current convertersWalsh, Funcions deAnàlisi harmònicaConvertidors de corrent elèctricÀrees temàtiques de la UPC::Enginyeria electrònicaWe present an advanced design methodology for pulse-width-modulated (PWM) DC-AC signal generation. Using design methods based on the Walsh transform, AC sinusoidal signals can be approximated by suitable PWM signals. For different AC amplitudes, the switching instants of the PWM signals can be efficiently computed by using appropriate systems of explicit linear equations. However, the equation systems provided by conventional implementations of this approach are typically only valid for a restricted interval of AC amplitudes and, in general, a supervised implementation of several equation systems is necessary to cover the full AC amplitude range. Additionally, obtaining suitable equation systems for designs with a large number of switching instants requires solving a complex optimization problem. In defining the constitutive pulses of a PWM signal, a suitable partition of the time interval is used as a reference system. In the new methodology, pulses are chosen to be symmetric with respect to the partition points, and the switching times are specified by means of switching ratios with respect to the endpoint subintervals. This approach leads to particularly simple Walsh series representations, introduces a remarkable computational simplification, and achieves excellent results in reducing the harmonic distortion.Peer Reviewed20132013-01-0120132013-10-24journal articlehttp://purl.org/coar/resource_type/c_6501VoRhttp://purl.org/coar/version/c_970fb48d4fbd8a85info:eu-repo/semantics/articleapplication/pdfhttps://hdl.handle.net/2117/20457https://dx.doi.org/10.1155/2013/870904reponame:UPCommons. Portal del coneixement obert de la UPCinstname:Universitat Politècnica de Catalunya (UPC)Inglésengopen accesshttp://purl.org/coar/access_right/c_abf2Attribution 3.0 Spainhttp://creativecommons.org/licenses/by/3.0/es/info:eu-repo/semantics/openAccessoai:upcommons.upc.edu:2117/204572026-05-27T15:37:01Z
dc.title.none.fl_str_mv Improved switching strategy for selective harmonic elimination in DC-AC signal generation via pulse-width modulation
title Improved switching strategy for selective harmonic elimination in DC-AC signal generation via pulse-width modulation
spellingShingle Improved switching strategy for selective harmonic elimination in DC-AC signal generation via pulse-width modulation
Palacios Quiñonero, Francisco|||0000-0002-1022-8880
Walsh functions
Harmonic analysis
Electric current converters
Walsh, Funcions de
Anàlisi harmònica
Convertidors de corrent elèctric
Àrees temàtiques de la UPC::Enginyeria electrònica
title_short Improved switching strategy for selective harmonic elimination in DC-AC signal generation via pulse-width modulation
title_full Improved switching strategy for selective harmonic elimination in DC-AC signal generation via pulse-width modulation
title_fullStr Improved switching strategy for selective harmonic elimination in DC-AC signal generation via pulse-width modulation
title_full_unstemmed Improved switching strategy for selective harmonic elimination in DC-AC signal generation via pulse-width modulation
title_sort Improved switching strategy for selective harmonic elimination in DC-AC signal generation via pulse-width modulation
dc.creator.none.fl_str_mv Palacios Quiñonero, Francisco|||0000-0002-1022-8880
Vicente Rodrigo, Jesús|||0000-0002-8355-4783
Molina Hernández, M. Antonia|||0000-0001-8899-1934
Karimi, Hamid Reza
author Palacios Quiñonero, Francisco|||0000-0002-1022-8880
author_facet Palacios Quiñonero, Francisco|||0000-0002-1022-8880
Vicente Rodrigo, Jesús|||0000-0002-8355-4783
Molina Hernández, M. Antonia|||0000-0001-8899-1934
Karimi, Hamid Reza
author_role author
author2 Vicente Rodrigo, Jesús|||0000-0002-8355-4783
Molina Hernández, M. Antonia|||0000-0001-8899-1934
Karimi, Hamid Reza
author2_role author
author
author
dc.subject.none.fl_str_mv Walsh functions
Harmonic analysis
Electric current converters
Walsh, Funcions de
Anàlisi harmònica
Convertidors de corrent elèctric
Àrees temàtiques de la UPC::Enginyeria electrònica
topic Walsh functions
Harmonic analysis
Electric current converters
Walsh, Funcions de
Anàlisi harmònica
Convertidors de corrent elèctric
Àrees temàtiques de la UPC::Enginyeria electrònica
description We present an advanced design methodology for pulse-width-modulated (PWM) DC-AC signal generation. Using design methods based on the Walsh transform, AC sinusoidal signals can be approximated by suitable PWM signals. For different AC amplitudes, the switching instants of the PWM signals can be efficiently computed by using appropriate systems of explicit linear equations. However, the equation systems provided by conventional implementations of this approach are typically only valid for a restricted interval of AC amplitudes and, in general, a supervised implementation of several equation systems is necessary to cover the full AC amplitude range. Additionally, obtaining suitable equation systems for designs with a large number of switching instants requires solving a complex optimization problem. In defining the constitutive pulses of a PWM signal, a suitable partition of the time interval is used as a reference system. In the new methodology, pulses are chosen to be symmetric with respect to the partition points, and the switching times are specified by means of switching ratios with respect to the endpoint subintervals. This approach leads to particularly simple Walsh series representations, introduces a remarkable computational simplification, and achieves excellent results in reducing the harmonic distortion.
publishDate 2013
dc.date.none.fl_str_mv 2013
2013-01-01
2013
2013-10-24
dc.type.none.fl_str_mv journal article
http://purl.org/coar/resource_type/c_6501
VoR
http://purl.org/coar/version/c_970fb48d4fbd8a85
dc.type.openaire.fl_str_mv info:eu-repo/semantics/article
format article
dc.identifier.none.fl_str_mv https://hdl.handle.net/2117/20457
https://dx.doi.org/10.1155/2013/870904
url https://hdl.handle.net/2117/20457
https://dx.doi.org/10.1155/2013/870904
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
Attribution 3.0 Spain
http://creativecommons.org/licenses/by/3.0/es/
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
Attribution 3.0 Spain
http://creativecommons.org/licenses/by/3.0/es/
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.source.none.fl_str_mv reponame:UPCommons. Portal del coneixement obert de la UPC
instname:Universitat Politècnica de Catalunya (UPC)
instname_str Universitat Politècnica de Catalunya (UPC)
reponame_str UPCommons. Portal del coneixement obert de la UPC
collection UPCommons. Portal del coneixement obert de la UPC
repository.name.fl_str_mv
repository.mail.fl_str_mv
_version_ 1869419874892120064
score 15.300719

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