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Short-Term Distortion and Protection Operation in DFIG-Based Wind Parks during Voltage Dips
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Energy Science.ORCID iD: 0000-0001-5845-5620
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: 0000-0003-4074-9529
Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil.
2020 (English)In: Proceedings of 2020 IEEE PES Innovative Smart Grid Technologies Europe (ISGT-Europe) 26-28 October, 2020, IEEE, 2020, p. 819-823Conference paper, Published paper (Refereed)
Abstract [en]

Due to the increasing penetration of wind power, grid codes require that the wind farms remain connected to the grid during voltage dips. The harmonic distortion might change during the short-term reduction in the voltage magnitude. Although the distortion only occurs during the short period of the voltage dip, high levels of harmonic might cause mal-operation of the protective devices in a wind power plant. The main negative influence that harmonics can have on wind power plant protection is that it can act unnecessarily. This work analysis the changes in the harmonic content in the voltages and currents during dips in a DFIG-based wind power plant. The results showed that the total harmonic distortion for the voltages in the collector system and at the terminals of the wind turbines increases during asymmetrical dips. The currents were affected for both symmetrical and asymmetrical dips. The third and seventh harmonics were the voltage components that most increased. For the currents, the increase was in the third harmonic and interharmonics.

Place, publisher, year, edition, pages
IEEE, 2020. p. 819-823
Keywords [en]
Power Quality, Voltage Dips, Wind Turbine, Wind Park, Harmonics, LVRT, Protection
National Category
Other Electrical Engineering, Electronic Engineering, Information Engineering
Research subject
Electric Power Engineering
Identifiers
URN: urn:nbn:se:ltu:diva-81461DOI: 10.1109/ISGT-Europe47291.2020.9248801Scopus ID: 2-s2.0-85097352410OAI: oai:DiVA.org:ltu-81461DiVA, id: diva2:1502187
Conference
10th IEEE PES Innovative Smart Grid Technologies Europe (ISGT-Europe 2020), 26-28 October, 2020, Delft, The Netherlands (Virtual)
Note

ISBN för värdpublikation: 978-1-7281-7100-5

Available from: 2020-11-19 Created: 2020-11-19 Last updated: 2021-01-11Bibliographically approved

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de Oliveira, Roger AlvesCheng, ChenBollen, Math H.J.

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