Title :
Power System Transient Stability Improvement Using Fuzzy Controlled STATCOM
Author :
Zolghadri, M.R. ; Ghafori, A. ; Ehsan, M.
Author_Institution :
Sch. of Electr. Eng., Sharif Univ. of Technol., Tehran
Abstract :
In this paper a fuzzy logic based controller for STATCOM is used to improve power system transient stability. As opposed to the modern control theory, fuzzy logic design is not based on the mathematical model of the process. The controller designed using fuzzy logic implements human reasoning that can be programmed into fuzzy logic language (membership functions, rules and the rule interpretation). The nonlinear fuzzy controller is proposed to supply a supplementary control signal to STATCOM to increase the critical clearing time and overcome the uncertainties existing in the power systems. Proposed method is implemented in a single machine infinite bus system and the results are compared with conventional energy function based controllers.
Keywords :
fuzzy control; power system transient stability; static VAr compensators; STATCOM; fuzzy logic language; human reasoning; mathematical model; nonlinear fuzzy controller; power system transient stability; single machine infinite bus system; Automatic voltage control; Control systems; Control theory; Fuzzy control; Fuzzy logic; Fuzzy systems; Mathematical model; Nonlinear control systems; Power system stability; Power system transients; Critical Clearing Time; Energy Function; Fuzzy Logic Controller; STATCOM;
Conference_Titel :
Power System Technology, 2006. PowerCon 2006. International Conference on
Conference_Location :
Chongqing
Print_ISBN :
1-4244-0110-0
Electronic_ISBN :
1-4244-0111-9
DOI :
10.1109/ICPST.2006.321586
