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Multivariable feedback design of VSC-HVDC connected to weak ac systems
ABB Power Systems, Ludvika.
KTH, School of Electrical Engineering (EES). (Elektriska maskiner och effektelektronik)ORCID iD: 0000-0002-1755-1365
2009 (English)In: 2009 IEEE Bucharest PowerTech / [ed] IEEE, IEEE , 2009, 764-771 p.Conference paper (Refereed)
Abstract [en]

Power-synchronization control is particularly applicable to voltage-source converters based high-voltage direct-current (HVDC) transmission connected to weak ac systems. In this paper, the multivariable feedback design aspect of the power-synchronization control is investigated by two design approaches: internal model control (IMC) and Hinfin control. The paper shows that both of the methods can meet the design requirements and show good robustness with different model uncertainties and load disturbances. The advantage of the IMC approach is that it provides a transparent framework for control-system design and tuning. The algorithm used for the IMC design in this paper is simple, yet it achieves similar or even better performance and robustness compared to the more advanced optimization-based Hinfin controller.

Place, publisher, year, edition, pages
IEEE , 2009. 764-771 p.
Keyword [en]
Control, converters, HVDC, phase-locked loops, power systems, stability
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
URN: urn:nbn:se:kth:diva-40813DOI: 10.1109/PTC.2009.5282110ISI: 000276834600116ScopusID: 2-s2.0-74949132958ISBN: 978-1-4244-2234-0OAI: diva2:442243
Bucharest PowerTech Conference, jun 28-jul 02, 2009
QC 20111005Available from: 2011-09-20 Created: 2011-09-20 Last updated: 2011-10-05Bibliographically approved

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