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Design of Optimal controller for Enhanced Power System Stability using Multistage LQR with coordination operation of PSS and UPFC

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  • Kumara K
  • A. D. Srinivasan

Abstract

This paper presents, a multistage LQR is introduced and applied for simultaneous coordinated designing of the unified power flow controller (UPFC ) and power system stabilizer (PSS) as a damping controller in the single machine power system. The results of these studies show that the proposed coordinated controllers have an outstanding capability in damping power system inter-area oscillations and enhance greatly the dynamic stability of the power system. The dynamic stability characteristics are investigated with PSS and UPFC acting individually and as a hybrid system. The hybrid controller shows a better performance compared to individual controllers. The proposed technique is implemented using MATLAB/SIMULINK platform.

Suggested Citation

  • Kumara K & A. D. Srinivasan, 2018. "Design of Optimal controller for Enhanced Power System Stability using Multistage LQR with coordination operation of PSS and UPFC," International Journal of Scientific Research in Computer Science, Engineering and Information Technology, International Journal of Scientific Research in Computer Science, Engineering and Information Technology, vol. 4(6), pages 980-986, May.
    • Handle: RePEc:jbh:ijsrcs:v4:y2018:i6:id:hcseit1846187
    Note: Article URL: https://ijsrcseit.com/CSEIT1846187
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