Control strategy for Frequency Regulation using Battery Energy Storage with optimal utilization

Abstract

Increasing penetration levels of Renewable Energy Sources (RES) into the grid has raised several concerns due to the intermittency, variability and uncertainty in power outputs. Technological advancements are required to tackle the issues of reliability, stability and power quality. Battery Energy Storage Systems (BESS) are widely being tested and have been found useful to address these challenges. This paper discusses the Frequency Regulation (FR) application of BESS. Several control strategies suggested in literature have been simulated for the frequency variations in the Indian scenario and the constraints limiting the utilization have been identified. A new control strategy has been proposed to enhance the usability of BESS for FR in Indian grid. Simulations have been carried out on MATLAB/Simulink platform and the results validate the advantages of the new control strategy over the existing ones.