Stabilizing SSR oscillations with a shunt reactor controller for uncertain levels of series compensation

The authors demonstrate how frequency-domain techniques based on I. Horowitz et al.'s (1986) quantitative feedback theory can be applied to the design of fixed-parameter controllers in power systems where the plant parameters have large uncertainties. They present the design of a controller for...

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Bibliographic Details
Published in:IEEE transactions on power systems 1988-08, Vol.3 (3), p.936-943
Main Authors: Eitelberg, E., Balda, J.C., Boje, E.S., Harley, R.G.
Format: Article
Language:English
Subjects:
Applied sciences
Control systems
Disturbances. Regulation. Protection
Electrical engineering. Electrical power engineering
Electrical power engineering
Exact sciences and technology
Feedback
Inductors
Power networks and lines
Power system control
Power systems
Resonance
Shafts
Shunt (electrical)
Turbogenerators
Uncertainty
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Summary:The authors demonstrate how frequency-domain techniques based on I. Horowitz et al.'s (1986) quantitative feedback theory can be applied to the design of fixed-parameter controllers in power systems where the plant parameters have large uncertainties. They present the design of a controller for a shunt reactor to eliminate torsional shaft oscillations in a turbogenerator susceptible to subsynchronous resonance (SSR). The considered parameter uncertainty is the series capacitor compensation level, which has been assumed to vary between 12% and 76%. Simulated transients results of the uncontrolled/controlled system are depicted.< >
ISSN:0885-8950
1558-0679
DOI:10.1109/59.14544