Argentina interconnected: Why did a fault leave the whole country without light?

"The problem is that the Litoral was severely damaged by the rains of last night and that changed the frequency of electricitythat is 50 hertz, "explained Daniel Gerold, energy specialist at Infobae.

"Each energy-generating installation has automatic protection called Automatic Generation Disconnection (DAG). By skipping this automatic protection begins to fall into dominoes the whole system. But so far, this has never happened in this magnitude, it is unprecedented, "said the specialist, head of the consulting firm GyG Energy Consultants. similar cases occurred in Brazil and parts of the United Stateswhose system is not fully interconnected.

The failure of the Argentine interconnection system originates from an electricity transmission connection between the Yacyretá and Salto Grande plants on the Argentine coast.

"When the frequency of electricity varies, all the plants jump at the same time. That's why there are stabilizers, that's what failed here. If this is balanced, those who produce energy keep running, "said Gerold.

From the Secretariat of Energy informed that the standardization process begins in the various production units of the country and from there, he begins to normalize the network and respond to demand.

According to the Government, the high voltage transmission network is being restored in the Salto Grande hydroelectric power station and the stations in the province of Buenos Aires, Entre Ríos and Santa Fe, have been supplied.

The regions of Cuyo and the center of the country are in the process of standardization with the Los Reyunos and Los Nihuiles hydropower plants and other fast-start thermal power stations in the region. Meanwhile, in the Comahue region, the standardization process is delayed due to inconvenience related to the commissioning of power plants to be standardized..

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