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Fundamental Analysis of the Synchronous Generator: TCSC System using the ICAD Framework
Rensselaer Polytechnic Institute, Troy, NY, USA.ORCID iD: 0000-0002-4125-1055
University of Glasgow, Scotland UK.
Universidad Carlos III, Spain.
University of Glasgow, Scotland, UK.
2008 (English)Conference paper (Refereed)
Abstract [en]

The TCSC, a mature member of the FACTS technology, is the electronically-controlled counterpart of the conventional series bank of capacitors. Its major bene-fits are its ability to regulate power flows along the com-pensated line and to rapidly modulate its effective imped-ance. In this paper, fundamental analysis of the synchro-nous generator – TCSC system using Individual Channel Analysis and Design, is carried out. The main benefits of this approach in control system design tasks are elucidated. Fundamental analysis is used to explain the generator dynamic behaviour as affected by the TCSC. The system is modelled as a 3x3 multivariable plant. Moreover, a control system design for the system is presented, with particular emphasis in the closed-loop performance and stability and structural robustness assessment. The percentage of series compensation is varied (50, 25 and 10%) by changing the firing angle of the TCSC. It is formally shown that the addition of the TCSC improves the dynamical performance of the synchronous machine by substantially decreasing the electrical distance and therefore considerably reducing the awkward switch-back characteristic exhibited by synchro-nous generators. However, the TCSC inclusion brings on fragility to the global system, making it non-minimum phase and introducing adverse dynamics in the speed channel of the synchronous machine.

Place, publisher, year, edition, pages
Keyword [en]
Keywords: TCSC, synchronous generator, individ-ual channel analysis and design, stability, robustness
National Category
Other Electrical Engineering, Electronic Engineering, Information Engineering
URN: urn:nbn:se:kth:diva-63414OAI: diva2:482200
16th PSCC, Glasgow, Scotland, July 14-18, 2008
QC 20120202Available from: 2012-02-02 Created: 2012-01-23 Last updated: 2012-02-02Bibliographically approved

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Vanfretti, Luigi
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