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Proceedings of the 2022 Seventh International Conference on Research in Intelligent and Computing in Engineering

Annals of Computer Science and Information Systems, Volume 33

Analyzing Control Structures of SSSCs for Fast Compensation in the Case of Unbalanced Voltage Sag in Power System

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DOI: http://dx.doi.org/10.15439/2022R45

Citation: Proceedings of the 2022 Seventh International Conference on Research in Intelligent and Computing in Engineering, Vu Dinh Khoa, Shivani Agarwal, Gloria Jeanette Rincon Aponte, Nguyen Thi Hong Nga, Vijender Kumar Solanki, Ewa Ziemba (eds). ACSIS, Vol. 33, pages 1–6 ()

Full text

Abstract. Fast compensation of voltage sag on the three-phase electric power caused by different faults is a problem studied to ensure that loads work normally. This paper introduces two vector control structures for Series synchronous static compensators (SSSC): the PI controller on the dq reference frame and the Sequence-decoupled resonant (SDR) controller on the αβ reference frame. An analysis was performed to compare the two control structures to evaluate their qualities and advantages. Based on that conclusion, we propose a solution to apply suitably to controllers of SSSC devices. The control structures are simulated in Matlab/Simulink. The simulation results verified our analyses and evaluations. From there, this paper presents a recommended control structure for SSSC.

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