Quote:
Originally Posted by DoubleK
This looks to have started when a solar generator tripped which lead to frequency falling combined with a lack of system inertia leading to a cascading failure of the entire grid. The French disconnected the interconnection and it was game over for Spain and Portugal.
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Smart by the French or this could have (potentially) turned into a much larger cascade. It’s wild how little frequency needs to dip before causing a major catastrophe.