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Interharmonic Analysis for Static Frequency Converter Station Supplying a Swedish Catenary System
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Energy Science.ORCID iD: 0000-0002-3625-8578
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Energy Science.ORCID iD: 0000-0002-4004-0352
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]

The paper aims to present a waveform distortion analysis focused on interharmonics in measurements from a 70 kV busbar feeding a traction supply substation with four static frequency converters (SFC). The substation supplies a Swedish catenary system from 50 Hz public grid to 15 kV 16 ⅔ Hz. The paper assesses the interharmonics for different scenarios regarding the point of a connection configuration between the traction substation and the upstream grid, as well as a change in the number of SFCs connected in the substation. The IEC 61000-4-7 grouping method and spectrograms were used to illustrate the issue. The significant presence of interharmonics calls attention to the subject in railway application. The total indexes help to evaluate the broad picture of the phenomena. The work contributes to the waveform distortion and interharmonics in railway systems studies.

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]
Harmonic analysis, Interharmonics, Power system harmonics, Static power converters
National Category
Energy Systems Other Electrical Engineering, Electronic Engineering, Information Engineering
Research subject
Electric Power Engineering
Identifiers
URN: urn:nbn:se:ltu:diva-92116DOI: 10.1109/ICHQP53011.2022.9808565ISI: 000844604500032Scopus ID: 2-s2.0-85133805741OAI: oai:DiVA.org:ltu-92116DiVA, id: diva2:1682014
Conference
20th International Conference on Harmonics & Quality of Power (ICHQP 2022), Naples, Italy, May 29 - June 1, 2022
Funder
Swedish Transport Administration
Note

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

Available from: 2022-07-08 Created: 2022-07-08 Last updated: 2023-09-05Bibliographically approved

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De Souza Salles, RafaelRönnberg, Sarah K.

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