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Voltage Sag Source Location Methods' Performance during Transient and Steady-state Periods
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Energy Science.ORCID iD: 0000-0001-8660-5569
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Energy Science.ORCID iD: 0000-0003-4074-9529
2022 (English)In: 2022 20th International Conference on Harmonics & Quality of Power (ICHQP) Proceedings: “Power Quality in the Energy Transition”, IEEE, 2022Conference paper, Published paper (Refereed)
Abstract [en]

Online locating of voltage sag sources requires fast and accurate methods. In this context, this paper describes and compares the positive-sequence phasor-based (PB) and instantaneous-based (IB) methods during both transient and steady-state periods of voltage sags caused by grid faults and transformer energizing (TE). The methods are evaluated by applying 1992 voltage sags in a Brazilian power network. For fault cases, PB methods work better than IB. Some methods perform well within the transient period, and some do not work good enough and need improvements for online applications. For TE cases, IB methods are ahead of PB and most IB methods work very well in a half-cycle window of the transient period, whereas the PB methods must be improved. Regardless of the sag sources, the real current component method using IB values during the half-cycle window of transient period is the best method currently available, which can be used in online applications.

Place, publisher, year, edition, pages
IEEE, 2022.
Series
International Conference on Harmonics and Quality of Power, ISSN 1540-6008, E-ISSN 2164-0610
Keywords [en]
voltage sag (dip), source location, transient period, steady-state period
National Category
Other Electrical Engineering, Electronic Engineering, Information Engineering
Research subject
Electric Power Engineering
Identifiers
URN: urn:nbn:se:ltu:diva-92115DOI: 10.1109/ICHQP53011.2022.9808649ISI: 000844604500066Scopus ID: 2-s2.0-85133775551OAI: oai:DiVA.org:ltu-92115DiVA, id: diva2:1682011
Conference
20th International Conference on Harmonics & Quality of Power (ICHQP 2022), Naples, Italy, May 29 - June 1, 2022
Note

ISBN för värdpublikation: 978-1-6654-1639-9

Available from: 2022-07-08 Created: 2022-07-08 Last updated: 2022-09-19Bibliographically approved

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Mohammadi, YounesBollen, Math H. J.

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