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Fuzzy and PID Stabilizers for Power Systems for Small Signal Stability Enhancement


Affiliations
1 Senior Research Fellow, Smart Power & Energy System, Power Systems Division, Central Power Research Institute, Bengaluru - 560080, India
2 Joint Director,Smart Power & Energy System, Power Systems Division, Central Power Research Institute, Bengaluru - 560080, India
3 Associate Professor, Dept. of Electrical and Electronics Engineering, GEC-Thrissur - 680009, India

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Small signal stability investigation is important for stability analysis of power systems as a small signal disturbance could be an initiating event for a large system outage. Fuzzy logic as a novel method for power system stability has attained wide importance in the recent years. In this paper, stability studies have been carried out for a single machine infinite bus system which has been modeled according to the Heffron Philips model. A comparison between the conventional lead-lag, PID and Fuzzy controllers for damping the system oscillations has also been carried out in this paper. The system is simulated in MATLABTM Simulink environment and the results have been presented.

Keywords

Fuzzy controller, Heffron Philips model, PID Controller
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  • Fuzzy and PID Stabilizers for Power Systems for Small Signal Stability Enhancement

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Authors

S. P. Noopura
Senior Research Fellow, Smart Power & Energy System, Power Systems Division, Central Power Research Institute, Bengaluru - 560080, India
Amit Jain
Joint Director,Smart Power & Energy System, Power Systems Division, Central Power Research Institute, Bengaluru - 560080, India
M. V. Jayan
Associate Professor, Dept. of Electrical and Electronics Engineering, GEC-Thrissur - 680009, India

Abstract


Small signal stability investigation is important for stability analysis of power systems as a small signal disturbance could be an initiating event for a large system outage. Fuzzy logic as a novel method for power system stability has attained wide importance in the recent years. In this paper, stability studies have been carried out for a single machine infinite bus system which has been modeled according to the Heffron Philips model. A comparison between the conventional lead-lag, PID and Fuzzy controllers for damping the system oscillations has also been carried out in this paper. The system is simulated in MATLABTM Simulink environment and the results have been presented.

Keywords


Fuzzy controller, Heffron Philips model, PID Controller



DOI: https://doi.org/10.33686/prj.v11i1.189375