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Time-domain comparisons of two linear models of a thyristor-controlled series capacitor
KTH, Superseded Departments, Electrical Systems.
KTH, Superseded Departments. (Electric Power Systems)ORCID iD: 0000-0002-8189-2420
2003 (English)In: IPEC 2003: Proceedings of the 6th International Power Engineering Conference, Vols 1 and 2, 2003, 746-751 p.Conference paper (Refereed)
Abstract [en]

This paper describes a method to construct a linear model of a Thyristor-Controlled Series Capacitor (TCSC) by analyzing its frequency response obtained from time-domain simulations of a detailed model of the device. Such linear model represents the low frequency behavior of the device as needed in power system stability studies. The linear model is validated comparing the time-domain simulations obtained using the original detailed TCSC-model, the developed linear model and a previously obtained linear model. The latter one has been built by disturbing the TCSC with two events and identified with Matlab's System Identification ToolBox from time-domain simulations. By using a linear model, the computing time can be reduced significantly compared to simulations with a detailed TCSC-model, maintaining dominant behavior of the TCSC. All simulations are done with the power system simulation software Simpow.

Place, publisher, year, edition, pages
2003. 746-751 p.
Keyword [en]
Frequency response, Identification, Linearization, TCSC, Computer simulation, Electric power systems, Linear control systems, Thyristors, Time domain analysis, MATLAB, Thyristor-controlled series capacitor (TCSC), Time-domain comparisons, Capacitors
National Category
Other Electrical Engineering, Electronic Engineering, Information Engineering
URN: urn:nbn:se:kth:diva-52347ISI: 000234294200131ISBN: 9810487053ISBN: 9789810487058OAI: diva2:466325
6th International Power Engineering Conference (IPEC 2003). Singapore, SINGAPORE. NOV 27-29, 2003
QC 20111216. Sponsors: Nanyang Technological University, NTU; Institution of Engineers, Singapore, IES; Singapore Power; IEE Singapore Center; National University of Singapore, NVS NR 20140804Available from: 2011-12-15 Created: 2011-12-15 Last updated: 2012-01-12Bibliographically approved

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Persson, JonasSöder, Lennart
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ReferencesLink to record
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