Robust Global Control Strategies for Improvement of Angular Stability using FACTS and HVDC Devices

System-wide feedback signals made available by Wide-Area Measurement Systems technology can be used in FACTS/HVDC based controllers for the improvement of angular stability. These global signals can facilitate the efficient use of controller effort to stabilize critical swing modes. This paper intro...

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Veröffentlicht in:International journal of emerging electric power systems 2013-05, Vol.14 (1), p.1-10
Hauptverfasser: Agnihotri, P., Kulkarni, A.M., Gole, A.M.
Format: Artikel
Sprache:eng
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Zusammenfassung:System-wide feedback signals made available by Wide-Area Measurement Systems technology can be used in FACTS/HVDC based controllers for the improvement of angular stability. These global signals can facilitate the efficient use of controller effort to stabilize critical swing modes. This paper introduces a restricted global strategy which involves the use of specific global feedback signals which are available at the HVDC/FACTS locations. The strategy is expected to be robust to changes in the power grid as well as communication uncertainties. This paper presents a heuristic introduction to this strategy using a circuit analogy of a simplified model of a power system. Preliminary results on a small system are also presented.
ISSN:2194-5756
1553-779X
DOI:10.1515/ijeeps-2013-0018