Wide-area measurement-based time-delay damping control of SSSC-type FACTS device for stability enhancement of power system

• Autorzy: Li Y. , Rehtanz C. , Yang D. , Häger U. , Luo L. , Leonowicz Z.

Warianty tytułu

PL

Poprawa stabilności systemu elektroenergetycznego za pomocą urządzeń typu SSSC-FACTS opartych o pomiary typu WAMS

• Języki publikacji: PL

Abstrakty

PL

W artykule przedstawiono metodę nierówności matrycy liniowej (LMI) do projektowania kontrolera z opóźnieniem kompensatora szeregowego synchronicznego (SSSC) elastycznego systemu przesyłowego prądu przemiennego (FACTS) w celu zwiększenia stabilności wzajemnie połączonych systemów zasilania. Po pierwsze, dopasowano specjalny model liniowy SIMO do charakterystyki otwartego systemu z urządzeniem SSSC-FACTS. Następnie, w oparciu o odporną teorię sterowania i metodę LMI, opisano zidentyfikowany model jako standardowy problem sterowania z opóźnieniem czasowym sygnałów wejściowych kontrolera WATDD i połączono go z utworzonym obserwatorem stanu wielkości wejściowych kontrolera WATDD - parametry sterowania są optymalizowane iteracyjnie za pomocą algorytmu LMI. W końcu, przeprowadzono symulację nieliniową typowego systemu (2-area 4-machine system) z kontrolerem SSSC typu WATDD w celu weryfikacji zaproponowanej metody.

EN

This paper presents a linear matrix inequality (LMI) method for the design of the wide-area time-delay damping (WATDD) controller of static synchronous series compensator (SSSC)-type flexible ac transmission system (FACTS) device to enhance the power stability of the interconnected power systems. Firstly, in order to reveal the single-input multi-output (SIMO) characteristic of the open-loop power system with SSSC-type FACTS device, the prediction error estimation (PEE) algorithm based system identification method is applied to fit a special SIMO linear model. Then, based on the robust control theory and LMI method, the identified linear model is formulated as the standard control problem with the time-delay of the input signals of the WATDD controller, and combined with the designed state observer for the input state variables of the WATDD controller, the control parameters are optimized by the LMI iterative solution algorithm. Finally, the nonlinear simulation on the typical 2-area 4-machine system installed with SSSC-type WATDD controller is performed to verify the LMI-based design method and the proposed SSSC-type WATDD controller.

Słowa kluczowe

PL

metoda LMI; kontroler typu WATDD; synchroniczny kompensator statyczny

EN

linear matrix inequality; wide-area time-delay damping; static synchronous series compensator

• Wydawca: Wydawnictwo SIGMA-NOT
• Czasopismo: Przegląd Elektrotechniczny
• Rocznik: 2010
• Tom: R. 86, nr 11a
• Strony: 28--32
• Opis fizyczny: Bibliogr. 18 poz., schem., wykr.

Twórcy

autor

Li Y.

autor

Rehtanz C.

autor

Yang D.

autor

Häger U.

autor

Luo L.

autor

Leonowicz Z.

• Institute of Power Systems and Power Economics, TU Dortmund, Dortmund 44227, Germany,

Bibliografia

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