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Voltage unbalance due to single-phase photovoltaic inverters
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Energy Science.
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Energy Science.ORCID iD: 0000-0002-4004-0352
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Energy Science.ORCID iD: 0000-0003-4074-9529
2017 (English)In: CIRED - Open Access Proceedings Journal, ISSN 2515-0855, Vol. 2017, no 1, p. 906-910Article in journal (Refereed) Published
Abstract [en]

In this study, the negative-sequence voltage unbalance is calculated for increasing numbers of single-phase photovoltaic inverters (PVIs) connected to low-voltage distribution networks. The transfer impedance matrix is used to calculate the negative-sequence voltage for each of the possible locations in the networks and a stochastic method is applied to estimate the voltage unbalance. The method has been applied to six- and 28-customer networks for the connection of 6 kW single-phase PVIs. Furthermore, the hosting capacity for each network has also been estimated. From the results, it was observed that it is likely that the contribution from single-phase PVIs to the voltage unbalance exceeds 1%, but unlikely that it will reach 2%.

Place, publisher, year, edition, pages
Institute of Electrical and Electronics Engineers (IEEE), 2017. Vol. 2017, no 1, p. 906-910
National Category
Other Electrical Engineering, Electronic Engineering, Information Engineering
Research subject
Electric Power Engineering
Identifiers
URN: urn:nbn:se:ltu:diva-68204DOI: 10.1049/oap-cired.2017.0357Scopus ID: 2-s2.0-85046933231OAI: oai:DiVA.org:ltu-68204DiVA, id: diva2:1195524
Conference
24th International Conference & Exhibition on Electricity Distribution (CIRED), 12-15 June 2017
Note

Konferensartikel i tidskrift

Available from: 2018-04-05 Created: 2018-04-05 Last updated: 2018-05-28Bibliographically approved

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Schwanz, DaphneRönnberg, SarahBollen, Math
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CiteExportLink to record
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  • apa
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  • de-DE
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Output format
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