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Analysis of Stability Limitations of a VSC-HVDC Link Using Power-Synchronization Control
ABB Power Systems, Ludvika.
KTH, School of Electrical Engineering (EES). (Elektriska maskiner och effektelektronik)ORCID iD: 0000-0002-1755-1365
KTH, School of Electrical Engineering (EES). (Elektriska maskiner och effektelektronik)
2011 (English)In: IEEE Transactions on Power Systems, ISSN 0885-8950, E-ISSN 1558-0679, Vol. 26, no 3, 1326-1337 p.Article in journal (Refereed) Published
Abstract [en]

In this paper, the stability limitations are analyzed for a voltage-source converter (VSC) based high-voltage direct-current (HVDC) link using power-synchronization control for two feasible operation modes: alternating-voltage control and reactive-power control. As a comparison, the analysis has been done by the phasor approach and the space-vector approach. While the phasor approach is straightforward to apply and gives intuitive analytical results, the space-vector approach reflects more dynamic insights of the system. This is achieved by using a unified dynamic modeling of both the ac system and the VSC by means of a new introduced modeling approach Jacobian transfer matrices. This approach shows that non-minimum-phase phenomena due to competing effects between alternating voltages and currents following phase-angle changes impose a fundamental limitation on the achievable bandwidth of the VSC-HVDC link. At moderate voltage levels, a VSC-HVDC link operating in alternating-voltage control mode is able to achieve higher bandwidth than in reactive-power control mode since the right-half plane (RHP) zero is located further from the origin in the former mode.

Place, publisher, year, edition, pages
2011. Vol. 26, no 3, 1326-1337 p.
Keyword [en]
Control, power electronics, power systems, stability
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Research subject
SRA - Energy
Identifiers
URN: urn:nbn:se:kth:diva-40609DOI: 10.1109/TPWRS.2010.2085052ISI: 000293711700037Scopus ID: 2-s2.0-79960892229OAI: oai:DiVA.org:kth-40609DiVA: diva2:441660
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StandUp
Note
QC 20110930Available from: 2011-09-17 Created: 2011-09-17 Last updated: 2017-12-08Bibliographically approved

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Nee, Hans-Peter

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