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Modified voltage control law for low frequency railway power systems
Luleå tekniska universitet, Institutionen för teknikvetenskap och matematik, Energivetenskap.
Luleå tekniska universitet, Institutionen för teknikvetenskap och matematik, Energivetenskap.ORCID-id: 0000-0003-2109-060X
Luleå tekniska universitet, Institutionen för teknikvetenskap och matematik, Energivetenskap.ORCID-id: 0000-0003-4074-9529
2017 (engelsk)Inngår i: Proceedings of the 2017 IEEE/ASME Joint Rail Conference, ASME Press, 2017Konferansepaper, Publicerat paper (Fagfellevurdert)
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

sted, utgiver, år, opplag, sider
ASME Press, 2017.
Emneord [en]
Railway, Voltage Control, 16 (2/3) Hz, low frequency, power system
Emneord [sv]
Järnväg, spänningskontroll, 16 (2/3) Hz, elsystem
HSV kategori
Forskningsprogram
Elkraftteknik
Identifikatorer
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
Konferanse
2017 Joint Rail Conference, JRC 2017, Philadelphia, United States; 4-7 April 2017 AS
Tilgjengelig fra: 2017-05-22 Laget: 2017-05-22 Sist oppdatert: 2017-11-24bibliografisk kontrollert

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