dc.contributor.authorDehghani Tafti, Hossein
dc.contributor.authorTownsend, Christopher David
dc.contributor.authorKonstantinou, Georgios
dc.contributor.authorPou, Josep
dc.date.accessioned2018-12-11T08:15:15Z
dc.date.available2018-12-11T08:15:15Z
dc.date.issued2018
dc.identifier.citationDehghani Tafti, H., Townsend, C. D., Konstantinou, G., & Pou, J. A Multi-Mode Flexible Power Point Tracking Algorithm for Photovoltaic Power Plants. IEEE Transactions on Power Electronics, 1-1. doi:10.1109/TPEL.2018.2883320en_US
dc.identifier.issn0885-8993en_US
dc.identifier.urihttp://hdl.handle.net/10220/46909
dc.description.abstractFlexible power point tracking (FPPT) is the control of active power generated by grid-connected photovoltaic power plants (GCPVPPs) to provide grid-support functionality. An FPPT algorithm for the reduction of the extracted power from photovoltaic (PV) strings during voltage sags was previously proposed by the authors. An advantage of this algorithm, compared to conventional FPPT algorithms, was its fast dynamics facilitated by use of a simple PI controller that dynamically modifies the PV voltage reference. The previously proposed scheme could only be employed for the short-duration in which the power system experiences a voltage sag. A novel modification to this algorithm with multi-mode operation is introduced in this letter, which provides FPPT capability for continuous operation of GCPVPPs. Unlike the previous algorithm, which was able to only move the operation point to the right-side of MPP, the proposed algorithm in this letter is able to move the operation point to both right- and left-sides of the MPP that provides the flexibility to operate in the optimum operation region for both single- and two-stage GCPVPPs. Experimental results are provided to demonstrate the performance of the proposed algorithm under dynamic irradiance conditions.en_US
dc.format.extent4 p.en_US
dc.language.isoenen_US
dc.relation.ispartofseriesIEEE Transactions on Power Electronicsen_US
dc.rights© 2018 Institute of Electrical and Electronics Engineers (IEEE). This is the author created version of a work that has been peer reviewed and accepted for publication by IEEE Transactions on Power Electronics, Institute of Electrical and Electronics Engineers (IEEE). It incorporates referee’s comments but changes resulting from the publishing process, such as copyediting, structural formatting, may not be reflected in this document. The published version is available at: [http://dx.doi.org/10.1109/TPEL.2018.2883320].en_US
dc.subjectDRNTU::Engineering::Electrical and electronic engineering::Power electronicsen_US
dc.subjectFlexible Power Point Trackingen_US
dc.subjectPhotovoltaic Systemsen_US
dc.titleA multi-mode flexible power point tracking algorithm for photovoltaic power plantsen_US
dc.typeJournal Article
dc.contributor.schoolSchool of Electrical and Electronic Engineeringen_US
dc.identifier.doihttp://dx.doi.org/10.1109/TPEL.2018.2883320
dc.description.versionAccepted versionen_US


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