1. Power system dynamics: stability and control;Padiyar,2008
2. Power system stability and control;Kundur,1994
3. Concepts of synchronous machine stability as affected by excitation control;Demello;IEEE Trans Power Appar Syst,1969
4. PID control system analysis, design, and technology;Ang;Control Syst Technol IEEE Trans,2005
5. Study and comparison of PI controller tuning techniques using bacteria foraging and bacteria foraging based particle swarm optimization;Thangavelusamy;Int J Electr Eng,2012