Scientific papers details

  • A Multi-Machine Power System Stabilizer Using Fuzzy Logic Controller
  • year : 2012
  • How to cite : , 2012 , 2-6 (1) ,pp: 28-32
  • Abstract : In this paper a fuzzy logic controller as power system stabilizer for stability enhancement of a multi-machine power system is presented. Power system stabilizers (PSSs) are added to excitation system or control loop of the generating unit to enhance the damping during low frequency oscillations. In order to accomplish the stability enhancement, speed deviation (∆∆) and acceleration (∆∆) of the rotor of synchronous generator were taken as the input to the fuzzy logic controller. These variables produce significant effects on damping of the generator shaft mechanical oscillations. The simulations were tested under different operating condition and the responses of stabilizing signal were computed. The performance when compared with the conventional PID controller the results of fuzzy controller are quite encouraging and satisfactory
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