28 April 16:30
REN, Portugal's grid operator, has announced that the blackout was caused by a fault in the Spanish electricity grid caused by extreme temperature variations
Raluca Ioana Draghici
International
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Portugal's grid operator, REN, explained that the recent blackout was caused by a fault in Spain's electricity grid linked to a rare weather phenomenon. The extreme temperature variations led to abnormal oscillations in high voltage lines, known as 'atmospheric induced variations', causing synchronization failures between power systems and disruptions across the interconnected European grid.
Sources
Un "fenomen atmosferic rar" se află la originea penei de curent, afirmă operatorul portughez
„Fenomen atmosferic rar” la originea întreruperilor uriașe de energie din Portugalia și Spania; „Cumpărături de panică” în supermarketuri – Sky News
Ce ar fi produs pana uriașă de curent din Spania și Portugalia: „Un fenomen atmosferic rar”
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