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This paper proposes a control strategy for power systems with a two-layerstructure that achieves global stabilization and, at the same time, delimitsthe transient frequencies of targeted buses to a desired safe interval. Thefirst layer is a model predictive control that, in a receding horizon fashion,optimally allocates the power resources while softly respecting transientfrequency constraints. As the first layer control requires solving anoptimization problem online, it only periodically samples the system state andupdates its action. The second layer control, however, is implemented in realtime, assisting the first layer to achieve frequency invariance andattractivity requirements.We show that the controllers designed at both layersare Lipschitz in the state. Furthermore, through network partition, they can beimplemented in a distributed fashion, only requiring system information fromneighboring partitions. Simulations on the IEEE 39-bus network illustrate ourresults.

Double-layered distributed transient frequency control with regional coordination for power networks