Dynaωo for Large-Scale Power System Event Analysis: The 2025 Iberian Blackout
summary
A time‑domain model built from an anonymised snapshot uses Dynaωo and a dynaflow time-domain workflow to reproduce PMU voltages and cross‑border exchanges, matching observed 700–800 MW swing and a 1.6 GW border oscillation and reproducing the initial 350 MW inverter trip and subsequent ~1 GW cascading losses that isolate Iberia and cause the blackout. Sensitivity runs swap HVDC modes, block exchanges, close lines or add shunt reactors and show inadequate voltage control, constant‑power‑factor inverters and tight reactive margins drive the cascade; open‑source reproducibility validates the findings.
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chapters (11)
- 0:00Introduction to Dynaωo project
- 1:48Timeline of the 2025 Iberian blackout
- 10:10Why Dynaωo was chosen for analysis
- 13:23Reconstructing the grid model
- 16:52Dynaωo simulation tools overview
- 17:14Reproducing observed events
- 19:42What-if experiments and sensitivity analysis
- 21:50Root causes and recommendations
- 23:35Dynaωo’s contributions to analysis
- 24:37Conclusion and open source benefits
- 25:39Q&A session
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