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Modified voltage control law for low frequency railway power systems
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: 0000-0003-2109-060X
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Energy Science.ORCID iD: 0000-0003-4074-9529
2017 (English)In: Proceedings of the 2017 IEEE/ASME Joint Rail Conference, ASME Press, 2017Conference paper, Published paper (Refereed)
Abstract [en]

In today's Swedish and Norwegian low frequency railway power system the voltage at a converter is controlled such that its voltage will drop with increased reactive power output. However, for low frequency railways the influence of active power on voltage is larger compared to public power systems and alternative methods are interesting to investigate. This paper presents a modified voltage control law for increased load sharing between converter stations and reduce the risk for converter overload in low frequency railways power systems. The modified voltage control law is derived mathematically and tested with different droops for two case studies. The results confirms the increased load sharing between the converter stations. The results are analysed and discussed; ideas are presented to counteract some of the negative impacts of the modified voltage control law

Place, publisher, year, edition, pages
ASME Press, 2017.
Keywords [en]
Railway, Voltage Control, 16 (2/3) Hz, low frequency, power system
Keywords [sv]
Järnväg, spänningskontroll, 16 (2/3) Hz, elsystem
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Research subject
Electric Power Engineering
Identifiers
URN: urn:nbn:se:ltu:diva-63449DOI: 10.1115/JRC2017-2224ISI: 000407527700070Scopus ID: 2-s2.0-85026831947OAI: oai:DiVA.org:ltu-63449DiVA, id: diva2:1097264
Conference
2017 Joint Rail Conference, JRC 2017, Philadelphia, United States; 4-7 April 2017 AS
Available from: 2017-05-22 Created: 2017-05-22 Last updated: 2017-11-24Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
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Output format
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