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Suppression of Weakly-Damped Torsional Oscillations in Autonomous Power Systems
Variants are considered for suppression of weakly-damped vibration effects caused by the first critical frequency of torsional oscillations of a gas-turbine unit in the autonomous electric power system of an oil and gas field. It is shown that torsional oscillations can be suppressed with the aid both of a reactive power source installed at the field power system, consisting of a controlled shunt reactor (CSR) and a static capacitor battery, and of an auxiliary active RLC filter, when using in both cases auxiliary control loops of torsional deviation as well as its first and second derivatives. A methodology has been developed for simultaneous coordination of the settings of any regulation system based on a numerical optimization, which permits selecting the characteristics of control loops of the source of reactive power and active RLC filter that are optimal from the point of view of suppressing torsional oscillations.
Suppression of Weakly-Damped Torsional Oscillations in Autonomous Power Systems
Variants are considered for suppression of weakly-damped vibration effects caused by the first critical frequency of torsional oscillations of a gas-turbine unit in the autonomous electric power system of an oil and gas field. It is shown that torsional oscillations can be suppressed with the aid both of a reactive power source installed at the field power system, consisting of a controlled shunt reactor (CSR) and a static capacitor battery, and of an auxiliary active RLC filter, when using in both cases auxiliary control loops of torsional deviation as well as its first and second derivatives. A methodology has been developed for simultaneous coordination of the settings of any regulation system based on a numerical optimization, which permits selecting the characteristics of control loops of the source of reactive power and active RLC filter that are optimal from the point of view of suppressing torsional oscillations.
Suppression of Weakly-Damped Torsional Oscillations in Autonomous Power Systems
Belyaev, A. N. (author) / Smolovik, S. V. (author)
Power Technology and Engineering ; 52 ; 102-109
2018-05-01
8 pages
Article (Journal)
Electronic Resource
English
autonomous power system , gas turbine unit , synchronous generator , induction motor , automatic voltage regulator , controlled shunt reactor , steady-state stability , transient stability , variable frequency drive Engineering , Energy Technology , Power Electronics, Electrical Machines and Networks , Renewable and Green Energy , Geoengineering, Foundations, Hydraulics
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