Assessment of Polish Power System angular stability based on analysis of different disturbance waveforms

• Autorzy: Pruski P. , Paszek S.

Identyfikatory

DOI

10.1515/bpasts-2015-0049

• Języki publikacji: EN

Abstrakty

EN

The paper presents investigation results concerning assessment of the Polish Power System (PPS) angular stability based on power system state matrix eigenvalues associated with electromechanical phenomena, when using the angular stability factors calculated on the basis of these eigenvalues. The eigenvalues were calculated by analysis of the disturbance waveforms of the instantaneous power, angular speed and power angle of synchronous generators in PPS generating units when taking into account introduction of a disturbance to different units. There was assumed a disturbance in the form of a rectangular pulse introduced to the voltage regulation system of a generating unit. There was also analysed the effect of the duration of the introduced test disturbance on the calculation results of the eigenvalue influencing the measurement waveforms of the instantaneous power of generating unit no 5 in Rybnik Power Plant. The method for eigenvalue calculations used in the investigations consists in approximation of the disturbance waveforms in particular generating units with the use of the waveforms being a superposition of the modal components associated with the searched eigenvalues. The hybrid optimisation algorithm being a serial combination of the genetic and gradient algorithms was used for computations.

Słowa kluczowe

EN

power system; eigenvalues associated with electromechanical phenomena; angular stability

PL

system zasilania; wartości własne; zjawisko elektromechaniczne; stabilność kątowa

• Wydawca: Polska Akademia Nauk, Wydział IV Nauk Technicznych
• Czasopismo: Bulletin of the Polish Academy of Sciences. Technical Sciences
• Rocznik: 2015
• Tom: Vol. 63, nr 2
• Strony: 435--441
• Opis fizyczny: Bibliogr. 16 poz., rys., tab., wykr.

Twórcy

autor

Pruski P.

• Institute of Electrical Engineering and Computer Science, Silesian University of Technology, 10 Akademicka St., 44-100 Gliwice, Poland

autor

Paszek S.

• Institute of Electrical Engineering and Computer Science, Silesian University of Technology, 10 Akademicka St., 44-100 Gliwice, Poland

Bibliografia

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• [6] P. Pruski and S. Paszek, “An analysis of the accuracy of electromechanical eigenvalue calculations based on instantaneous power waveforms recorded in a power plant”, Acta Energetica 4, 118-131 (2013).
• [7] P. Pruski and S. Paszek, “Calculations of electromechanical eigenvalues based on instantaneous power waveforms”, Przegląd Elektrotechniczny 4, 214-217 (2014).
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• [11] Ł. Majka and S. Paszek, “Use of hybrid algorithm for estimation of generating unit mathematical model parameters”, Przegląd Elektrotechniczny 8, 70-76 (2010), (in Polish).
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• [13] S. Paszek and A. Nocoń, Optimisation and Polyoptimisation of Power System Stabilizer Parameters, LAMBERT Acedemic Publishing, Saarbr¨ucken, 2014.
• [14] A. Nocoń and S. Paszek, “Synthesis of generator voltage regulator when applying polyoptimisation”, Bull. Pol. Ac.: Tech. 55 (1), 43-48 (2007).
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