Operation strategies of battery energy storage systems for preventive and curative congestion management in transmission grids
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Date
2022-12-29
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Abstract
Anticipating and relieving congestions is an ongoing challenge for transmission system operators. Distributed grid-scale battery energy storage systems enable operators to shift power flows and remedy congestion through virtual power lines and grid boosters. This paper includes battery energy storage systems in a combined preventive and curative congestion management optimization. First, it analyzes the impact of the two operational strategies in a case study of the German transmission grid. Furthermore, it outlines curative ad-hoc measures to overcome uncertainties during operational planning and real-time operation. The simulation results indicate that battery energy storage systems further increase the use of curative measures and reduce congestion management costs.
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Keywords
Battery energy storage system, Congestion management, Grid booster, Power flow control, Power system simulation, Temporary admissible transmission loading, Virtual power line