Strategic capacitor placement in distribution systems by minimisation of harmonics amplification because of resonance

dc.contributor.authorSegura, S.
dc.contributor.authorda Silva, L. C. P.
dc.contributor.authorRomero, R. [UNESP]
dc.contributor.authorSalles, D.
dc.contributor.institutionUniversidade Estadual de Campinas (UNICAMP)
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.date.accessioned2014-05-20T13:29:14Z
dc.date.available2014-05-20T13:29:14Z
dc.date.issued2012-07-01
dc.description.abstractThe capacitor placement problem (CPP) has been widely studied throughout the years. However, traditional methodologies either do not consider non-linear loads in the formulations or are highly dependent on the spectrum of the harmonic currents. Therefore the traditional methodologies have become unsuitable for distribution system planning studies. The proposed approach formulates the CPP as a multi-objective optimisation model while including economic and technical aspects in the minimisation process. An additional objective function introduces a quadratic minimisation of the voltage harmonic distortions produced by the harmonic currents drawn by non-linear loads according to the IEEE Std. 519-1992 limits. A new constraint based on a resonance index (RI) is also introduced as a form to extend the capacitors' lifetime. Furthermore, an aging model of capacitor dielectric insulation under a non-sinusoidal waveform scenario is used to estimate the expected real lifetime of capacitors. The proposed methodology was exhaustively tested on a 69-bus system and the results show that the methodology is adequate for planning capacitors and eliminates the need to focus in great detail on harmonic system data.en
dc.description.affiliationUniv Estadual Campinas, Sch Elect & Comp Engn, Power Syst Dept, São Paulo, Brazil
dc.description.affiliationUniv Estadual Paulista, Fac Engn Ilha Solteira, São Paulo, Brazil
dc.description.affiliationUNICAMP FEEC DSEE, São Paulo, Brazil
dc.description.affiliationUnespUniv Estadual Paulista, Fac Engn Ilha Solteira, São Paulo, Brazil
dc.description.sponsorshipFundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
dc.description.sponsorshipIdFAPESP: 06/06075-9
dc.format.extent646-656
dc.identifierhttp://dx.doi.org/10.1049/iet-gtd.2011.0517
dc.identifier.citationIet Generation Transmission & Distribution. Hertford: Inst Engineering Technology-iet, v. 6, n. 7, p. 646-656, 2012.
dc.identifier.doi10.1049/iet-gtd.2011.0517
dc.identifier.issn1751-8687
dc.identifier.urihttp://hdl.handle.net/11449/9847
dc.identifier.wosWOS:000306087600007
dc.language.isoeng
dc.publisherInst Engineering Technology-iet
dc.relation.ispartofIet Generation Transmission & Distribution
dc.relation.ispartofjcr2.618
dc.relation.ispartofsjr0,907
dc.rights.accessRightsAcesso restrito
dc.sourceWeb of Science
dc.titleStrategic capacitor placement in distribution systems by minimisation of harmonics amplification because of resonanceen
dc.typeArtigo
dcterms.licensehttp://digital-library.theiet.org/journals/author-guide
dcterms.rightsHolderInst Engineering Technology-iet

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