VSC-HVDC application to improve the long-term voltage stability

M. Reza Safari Tirtashi, Jorgen Svensson, Olof Samuelsson

Forskningsoutput: Kapitel i bok/rapport/Conference proceedingKonferenspaper i proceedingPeer review

8 Citeringar (SciVal)


This paper concerns the VSC-HVDC application to improve the long-term voltage stability. For this purpose the NORDIC32 test system is considered. All necessary dynamics to study the long-term voltage stability are included in the test system. An appropriate control strategy for VSC-HVDC is proposed in the paper. The goal is to reach the best condition from long-term voltage stability perspective with respect to system configuration and also the VSC-HVDC capability curve. To show the capability of the proposed control methodology, two long-term voltage instability scenarios are considered. For the first scenario, VSC-HVDC can lead to a stable condition with its initial active-reactive power set points. In the second voltage instability scenario which is more severe, the proper power flow change in the system using VSC-HVDC is needed to avoid the voltage collapse. Otherwise the VSC-HVDC could buy some time and lead to later collapse which is still important. The simulation results are explained and thoroughly discussed. It is demonstrated that with the proper control of VSC-HVDC, long-term voltage stability could improve dramatically.

Titel på värdpublikation2017 IEEE Manchester PowerTech, Powertech 2017
FörlagIEEE - Institute of Electrical and Electronics Engineers Inc.
ISBN (elektroniskt)9781509042371
StatusPublished - 2017 juli 13
Evenemang2017 IEEE Manchester PowerTech, Powertech 2017 - Manchester, Storbritannien
Varaktighet: 2017 juni 182017 juni 22


Konferens2017 IEEE Manchester PowerTech, Powertech 2017

Ämnesklassifikation (UKÄ)

  • Annan elektroteknik och elektronik


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