Journal of Applied Science and Engineering

Published by Tamkang University Press

1.30

Impact Factor

1.60

CiteScore

S. Ramesh This email address is being protected from spambots. You need JavaScript enabled to view it.1 and A. Krishnan2

1Department of EEE, K.S.R. College of Engineering, Tiruchengode (TN), India
2Dean, K.S.R. College of Engineering, Tiruchengode (TN), India


 

Received: November 22, 2010
Accepted: March 25, 2011
Publication Date: December 1, 2011

Download Citation: ||https://doi.org/10.6180/jase.2011.14.4.07  


ABSTRACT


This paper presents a Supervisory Expert Fuzzy Controller (SEFC) for maintaining the system frequency in a parallel AC-DC interconnected thermal power system. In the proposed control scheme, the input scaling factor tuning of a direct expert controller is made using the area control error and power plant system input to obtain better performance for a different load disturbance. The control scheme will reduce the Area Control Error (ACE) and increase the system dynamic stability. The control scheme consists of a lower level direct fuzzy controller and an upper level supervisory fuzzy controller. The lower level controller provides the solution to a particular situation and the upper level controller provides a mechanism to the main goal of the system. The responses to various load changes in the multi area system are studied and the performance of the proposed expert controller is compared with the conventional integral controller and the fuzzy controller. The results prove that the SEFC performance is better in terms of stability and robustness than conventional control methods.


Keywords: Load Frequency Control, AC-DC Interconnected System, High Voltage Direct Current (HVDC) Link, Area Control Error, Direct Fuzzy Controller, Supervisory Expert Fuzzy Controller


REFERENCES


  1. [1] Elgerd, O. I., Electric Energy System Theory – An Introduction, McGraw Hill, Co. (1983).
  2. [2] George Gross and Lee, J. W., “Analysis of Load Frequency Control Performance Assessment Criteria,” IEEE Transaction on Power Systems, Vol. 16, pp. 520525 (2001).
  3. [3] Dulpichet Rerkpreedapong, Amer Hasanovic and Ali Feliachi, “Robust Load Frequency Control using Genetic Algorithms and Linear Matrix Inequalities,” IEEE Transaction on Power Systems, Vol. 18, pp. 855861 (2003).
  4. [4] Issarachai Ngamroo, “A Stabilization of Frequency Oscillations in a Parallel AC-DC Interconnected Power Systems via an HVDC Link,” Science Asia, Vol. 28, pp. 173180 (2002).
  5. [5] Rani Thottunga, Anbalagan, P., Mohanaprakash, T., Sureshkumar, A. and Prabhu, G. V., “Frequency Stabilisation in Multi Area System Using HVDC Link,” Proceedings of IEEE, pp. 590595 (2006).
  6. [6] Ibraheem, P. Kumar, “Study of Dynamic Performance of Power Systems with Asynchronous Tie-Lines Considering Parameter Uncertainties,” Journal of Institution of Engineers IE(I), Vol. 85, pp. 3542 (2004).
  7. [7] Talaq, J. and Al-Basri, F., “Adaptive Fuzzy Gain Scheduling for Load Frequency Control,” IEEE Transaction on Power Systems, Vol. 14, pp. 145150 (1999).
  8. [8] Vaibhav Donde, Pai, M. A. and Hiskens, Ian A., “Simulation and Optimization in an AGC System after Deregulation,” IEEE Transaction on Power Systems, Vol. 16, pp. 481487 (2001).
  9. [9] deMellow, F. P., Mills, R. J. and B’Rells, W. F., “Automatic Generation Control,” Part II - Digital Control Techniques, IEEE Transaction on Power Apparatus and Systems, Vol. PAS-92, pp. 716724 (1972).
  10. [10] Mathur, H. D. and Manjunath, H. V., “Frequency Stabilisation Using Fuzzy Logigbased Controller for Multi-Area Power System,” South Pacific Journal of National Science, Vol. 4, pp. 2230 (2007).
  11. [11] Chidambaram and A. Velusamy. S., “Decentralized Biased Controllers for Load Frequency Control of Interconnected Power Systems Considering Governor Dead Band Non-Linearity,” Proceedings of IEEE, pp. 521525 (2005).
  12. [12] Ibraheem, Kumar, A. and Kothari, D. P., “Recent Philosophies of Automatic Generation Control Strategies in Power Systems,” IEEE Transaction on Power Systems, Vol. 20, pp. 340357 (2005).
  13. [13] Ganapathy, S. and Velusami, S., “Design of Decentralized Load-Frequency Controllers for Interconnected Power Systems with AC-DC Parallel Tie-Lines and GDB Non-Linearity Using MOEA,” Indian Journal of Science and Technology, Vol. 2, pp. 1822 (2009).
  14. [14] Ganapathy, S. and Velusami, S., “MOEA Based Design of Decentralized Controllers for LFC of Interconnected Power Systems with Nonlinearities, AC-DC Parallel Tie-Lines and SMES Units,” International Journal of Energy Conversion and Management, Vol. 51, pp. 873880 (2010).
  15. [15] Juang, C.-F. and Lu, C.-F., “Power System Load Frequency Control by Genetic Fuzzy Gain Scheduling Controller,” Journal of the Chinese institute of Engineers, Vol. 28, pp. 10131018 (2005).
  16. [16] Juang, C.-F. and Lu, C.-F., “Power System Load Frequency Control by Evolutionary Fuzzy PI Controller,” Proceedings of IEEE, pp. 715719 (2004).
  17. [17] Chowdhury, S., Chaudhury, S. P. and Choudhuri, S., “Advanced Digital Load Frequency Control with Unknown Deterministic Power Demand for Interconnected Power Systems,” Journal of Institution of Engineers IE (I), Vol. 80, pp. 8795 (1999).
  18. [18] Dulpichet Rerkpreedapong and Ali Feliachi, “PI Gain Scheduler for Load Frequency Control Using Spline Techniques,” Proceedings of IEEE, pp. 259263 (2003).
  19. [19] Ramesh, S. and Krishnan, A., “Fuzzy Rule Based Load Frequency Control in a Parallel AC-DC Interconnected Power Systems through HVDC Link,” International Journal of Computer Application, Vol. 1, pp. 7379 (2010).
  20. [20] Lin, J. and Huang, Z. Z., “A Hierarchical Supervisory Fuzzy Controller for Robot Manipulators with Oscillatory Bases,” Proceedings of IEEE International Conference on Fuzzy Systems, pp. 24002407 (2006).
  21. [21] Kanagaraj, N., Sivashanmugam, P. and Paramasivam, S., “A Fuzzy Logic Based Supervisory Hierarchical Control Scheme for Real Time Pressure Control,” International Journal of Automation and Computing, Vol. 6, pp. 8896 (2009).
  22. [22] Visioli, A., “Tuning of PID Controllers with Fuzzy Logic,” IEE Proceedings: Control Theory and Applications, Vol. 148, pp. 18 (2001).
  23. [23] Abd El-Geliel, M. and El-Khazendar, M. A., “Supervisory Fuzzy Logic Controller Used for Process Loop Control in DCS System,” Proceedings of IEEE International Conference on Control Applications, pp. 263268 (2003).


    



 

1.6
2022CiteScore
 
 
60th percentile
Powered by  Scopus

SCImago Journal & Country Rank

Enter your name and email below to receive latest published articles in Journal of Applied Science and Engineering.