July 8, 2019
Power systems are undergoing a rapid change in generation mix due to the growth of inverter-based resources (IBRs) such as wind, solar, and battery energy storage. The dynamic behavior of the Bulk Power System (BPS) that has typically been driven by synchronous machines is increasingly influenced or even largely determined by IBRs. Stability challenges related to synchronous generators generally stem from electromechanical phenomena. The focus of stability efforts is therefore to maintain synchronism of the generators and provide sufficient damping of oscillations in the range of 0.2~2 Hz. The dynamic stability simulation tools widely used for Bulk Power System (BPS) studies were initially developed to assess the dynamics of synchronous generators…
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