Comparative Study for Improving Damping Oscillation of SMIB System with STATCOM and BESS Using Remote and Local Signal

This paper presents a comparison of the performance of a STATCOM and Battery Energy Storage System (BESS) in damping the inertial mode oscillations of a synchronous generator in a Single Machine Infinite Bus (SMIB) system. The effectiveness of remote control signal over local control signal is also examined. A damping controller is developed for both the STATCOM and Battery Energy Storage System (BESS) utilizing rotor speed deviation of the remotely located synchronous generator. The performance of real power damping controller for BESS is compared with reactive power controller of a STATCOM. The effect of size of the BESS on damping the electromechanical oscillations of the generators is further investigated using EMTDC/PSCAD software.