Wind Power Source Role in Sizing Battery Energy Storage System for Secondary Frequency Application

Abstract

The advent of battery energy storage system (BESS) to power systems introduced many ancillary services that make use of fast response of batteries. Frequency control is one of the most important applications that aid stabilizing electric networks. Secondary frequency control is one type of frequency control that uses the BESS to supply/absorb net power to bring the frequency deviation to its working limits. Renewable energy sources increasingly contribute towards utilization in microgrids for ancillary services, frequency control for instance. The frequency deviation anomaly is more prominent in case of adopting renewable energy sources, and a 30 MW wind power source is considered in this study along with the selected network in Saudi Arabia for analyzing the proper sizing of the BESS