Title :
Mitigation of sub synchronous resonance using STATCOM controlled by PID and FL controllers
Author :
Prasad, Chinnari Eswar ; Vadhera, Shelly
Author_Institution :
Dept. of Electr. Eng., NIT Kurukshetra, Kurukshetra, India
Abstract :
This paper deals with the use of fuzzy logic controller (FLC) and proportional integrator and derivative (PID) controller to control static synchronous compensator (STATCOM) which is used for damping oscillations caused by sub synchronous resonance (SSR). The results obtained by both the controllers are compared and it is found that FLC is better controller as compared to PID for controlling STATCOM to mitigate SSR. The study in this paper is particularly based on the torque amplification produced on the turbine generator shaft assembly after a fault takes place on a series-compensated power system. An IEEE benchmark model is used to study the mitigation of sub synchronous resonance (SSR) characteristics using both FL and PID controllers along with STATCOM in Matlab/Simulink.
Keywords :
fuzzy control; machine control; power system stability; static VAr compensators; three-term control; torque control; turbogenerators; FL controller; IEEE benchmark model; PID controller; SSR; STATCOM; damping oscillations; fuzzy logic controller; power system stability; proportional integrator-and-derivative controller; series-compensated power system; static synchronous compensator; sub synchronous resonance mitigation; torque amplification; turbine generator shaft assembly; Automatic voltage control; Fuzzy logic; Generators; Power system stability; Resonant frequency; Torque; Turbines; Fuzzy logic control; Proportional integral derivative; Static synchronous compensator; Sub-synchronous resonance;
Conference_Titel :
Power Electronics (IICPE), 2014 IEEE 6th India International Conference on
Print_ISBN :
978-1-4799-6045-3
DOI :
10.1109/IICPE.2014.7115744