METAHEURISTIC OPTIMIZED PID TUNING FOR LOAD FREQUENCY CONTROL OF MULTI- AREA MULTI- SOURCE POWER SYSTEM WITH AND WITHOUT HVDC LINK Article Sidebar Published Sep 12, 2016 Download Statistic Vol 17 No 2 (2017): Volume 17 / 2017 Main Article Content S.Anbarasi S.Anbarasi Mepco Schlenk Engineering College, Sivakasi S.Muralidharan S.Muralidharan Mepco Schlenk Engineering College, Sivakasi Article Details