Digital Signal Processing

   

Design of DE Optimized SSSC-Based Facts Controller

Authors: S.C.Swain, Srikanta Mahapatra, Sidhartha Panda, Susmita Panda

Power-system stability improvement by a static synchronous series compensator (SSSC)-based controller is studied in this paper. Conventionally, the lead-lag structure was used to modulate the injected voltage. But, in this paper PI, PID, PIDD structures are proposed to modulate the injected voltage. The design problem of the proposed controller is formulated as an optimization problem and Differential Evolution Algorithm is used to find out the optimal controller parameters. Different disturbances are applied to the single-machine infinite bus system and multi-machine infinite bus system and the performances of the conventional structure and the proposed structure are evaluated and compared. Only remote signals with required time delays are taken into account in this paper. The simulation results are presented and compared with a modern heuristic optimization technique under various loading conditions and disturbances to show the effectiveness of the proposed approach.

Comments: 16 Pages.

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Submission history

[v1] 2012-08-19 02:14:17

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