AVR Fractional-Order Controller Based on Caputo–Fabrizio Fractional Derivatives and Integral Operators

Andriy Lozynskyy, Jacek Kozyra, Andriy Kutsyk, Zbigniew Łukasik, Aldona Kuśmińska-Fijałkowska (), Lidiia Kasha and Andriy Lishchuk
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Andriy Lozynskyy: Faculty of Transport, Electrical Engineering and Computer Science, Casimir Pulaski Radom University, 26-600 Radom, Poland
Jacek Kozyra: Faculty of Transport, Electrical Engineering and Computer Science, Casimir Pulaski Radom University, 26-600 Radom, Poland
Andriy Kutsyk: Institute of Power Engineering and Control System, Lviv Polytechnic National University, 79-013 Lviv, Ukraine
Zbigniew Łukasik: Faculty of Transport, Electrical Engineering and Computer Science, Casimir Pulaski Radom University, 26-600 Radom, Poland
Aldona Kuśmińska-Fijałkowska: Faculty of Transport, Electrical Engineering and Computer Science, Casimir Pulaski Radom University, 26-600 Radom, Poland
Lidiia Kasha: Institute of Power Engineering and Control System, Lviv Polytechnic National University, 79-013 Lviv, Ukraine
Andriy Lishchuk: Institute of Power Engineering and Control System, Lviv Polytechnic National University, 79-013 Lviv, Ukraine

Energies, 2024, vol. 17, issue 23, 1-21

Abstract: The application of a fractional-order controller (FOC) using the Caputo–Fabrizio representation in the automatic voltage regulation (AVR) system of a synchronous generator is shown in this paper. The mathematical model of the system is created and the adequacy of the model is confirmed. The efficiency of the proposed regulator in different operating regimes is demonstrated. In particular, the proposed controller improves voltage regulation in a wide range of changes in the coordinates that characterize the power system operation mode, and it increases the system’s robustness to both uncertainties and nonlinearities that often occur in power systems. The synthesized fractional-order regulator provides higher response and control accuracy compared to traditional regulators used in automatic voltage regulation (AVR) systems.

Keywords: synchronous generator; automatic voltage regulation; small modular reactor; fractional-order controller; control system design; stability analysis; robust control (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2024
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