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Mitigation of Sub-Synchronous Control Interaction in DFIGs using a Power Oscillation Damper
KTH, School of Electrical Engineering (EES), Electric Power and Energy Systems.
KTH, School of Electrical Engineering (EES), Electric Power and Energy Systems.ORCID iD: 0000-0002-6431-9104
KTH, School of Electrical Engineering (EES), Electric Power and Energy Systems.ORCID iD: 0000-0002-3107-7073
2017 (English)In: 2017 IEEE Manchester PowerTech, Powertech 2017, Institute of Electrical and Electronics Engineers (IEEE), 2017, article id 7980941Conference paper, Published paper (Refereed)
Abstract [en]

The aim of this research work is to analyse subsynchronous control interaction (SSCI) in doubly-fed induction generators (DFIGs) and to design a supplementary control technique for the mitigation of SSCI. A mathematical model of the DFIG is derived and linearized in order to perform an eigenvalue analysis. This analysis pinpoints the parameters of the system which are sensitive in making sub-synchronous modes unstable and hence are responsible for causing SSCI. A power oscillation damper (POD) is designed using a residue method to make the DFIG system immune to the SSCI. The POD control signal acts as a supplementary control, which is fed to the controller of the grid-side converter (GSC). The POD signal is applied to different summation junctions of the GSC controller in order to determine the best placement of the POD for effective mitigation of SSCI and for the increased damping of the system.

Place, publisher, year, edition, pages
Institute of Electrical and Electronics Engineers (IEEE), 2017. article id 7980941
Keywords [en]
doubly-fed induction generator, eigenvalue analysis, power oscillation damper, sub-synchronous control interaction
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:kth:diva-215848DOI: 10.1109/PTC.2017.7980941ISI: 000411142500154Scopus ID: 2-s2.0-85034758511ISBN: 978-1-5090-4237-1 OAI: oai:DiVA.org:kth-215848DiVA, id: diva2:1149773
Conference
2017 IEEE Manchester PowerTech, Powertech 2017, Manchester, United Kingdom, 18 June 2017 through 22 June 2017
Note

QC 20171017

Available from: 2017-10-17 Created: 2017-10-17 Last updated: 2018-02-26Bibliographically approved

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Ghandari, MehrdadHarnefors, Lennart

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