Micro-Grid Stability Improvement Using Static Synchronous Compensator Assisted with Battery Energy Storage System
Integration of distributed generation (DG) with a distribution network is essential for the best utilization of renewable resources in better economics and clean environmental aspect. Micro-grid (MG) is an aggregation of electrical loads and DGs. Intermittencies of load variation has adverse effect on the voltage at the point of a common couple (PCC). It also prevents the restoring of MG power back to a stable state. In this article, the placement of static synchronous compensator (STATCOM) Assisted with Battery Energy Storage System (BESS) at PCC scheme is developed. STATCOM assisted with battery energy storage system (BESS) provides instant power support for coupled MG with the power grid to ensure voltage stability margin at PCC and it is effective in restoring power stability. Proposed scheme is implemented on a test system that is simulated in MATLAB-SIMULINK. The obtained results verify the effectiveness of placing STATCOM assisted with BESS at PCC.
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