An Output-Feedback Controller for a Single Machine Infinite Bus Power System

https://doi.org/10.58571/CNCA.AMCA.2023.047

Resumen: The stability of a Single Machine Infinite Bus (SMIB) is enhanced through a nonlinear (NL) observer-based controller driven by load angle measurement with a constructive framework: (i) based on input-output feedback linearising control strategy, (ii) with assignable pole closed-loop (CL) linear dynamics, (iii) with a linear geometric (G) (Luenberger with integral action to eliminate the output estimation mismatch) observer, and (iv) rejection of model parameter errors and unmeasured input disturbances coupled with a simple tuning scheme. As a result, the proposed observer-based controller has a more systematic design and priority assurance of robust functioning with a suitable trade-off between transient response, robustness concerning model exogenous disturbances, control effort, and a relatively simple conventional tuning scheme in comparison with the traditional industrial controllers as the Power System Stabilizer and Automatic Voltage Regulator (PSS/AVR). The proposed controller is tested with a representative example through numerical simulation and compared with the traditional control scheme PSS/AVR.

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Vieyra Valencia, Natanael; Rodríguez-Monzón, Emmanuel; Maya-Ortiz, Paul; Angeles-Camacho, César. An Output-Feedback Controller for a Single Machine Infinite Bus Power System. Memorias del Congreso Nacional de Control Automático, pp. 205-2010, 2023. https://doi.org/10.58571/CNCA.AMCA.2023.047

Palabras clave

Sistemas Eléctricos de Potencia; Control de Sistemas No Lineales; Modelado e Identificación de Sistemas

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