Unstable Poles Arising in AC Power Grid Subsystem Representations
Summary
arXiv:2606.03514v1 Announce Type: new Abstract: Recent small-signal stability studies of AC grids have shifted towards analysing power systems as interconnections of subsystems and leveraging their input-output properties to derive scalable stability certificates. Two subsystem representations appear frequently in the literature: the PQ model, coupling powers to phase angle and voltage magnitude, and the IV model, coupling currents to voltages. In this paper, we derive both models without simplifying the bus or line dynamics and show that a loop transformation relates the two.
Why It Matters
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Key Facts
- SectorEnergy
- Market—
- ImpactLow (42/100)
- SignalResearch