TCN restores Nigeria’s collapsed grid - Living Environment


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Friday, July 30, 2021

TCN restores Nigeria’s collapsed grid

The Transmission Company of Nigeria TCN says it has fully restored the nation’s grid within 24 hours it collapsed.

It could be recalled that a day earlier, the nation’s grid collapsed at about 12:20 pm.

The collapse was triggered by a sudden drop in system frequency to 47.21Hz.

Reports received from SCADA and other power generating stations showed that at about 12:20 pm, two generating units tripped in one generating station while four equally tripped in another generating station, causing a loss of 261MW and 350MW respectively, bringing the total loss of electricity on the grid to 611MW.

It is suspected that the sudden loss of 611MW from the grid caused system instability and its eventual collapse.

After the collapse however, TCN’s system operators immediately commenced the restoration of the grid and by 12:46 pm, power supply in Abuja was fully restored from Shiroro Generating Station.

At 1:05 pm, TCN equally commenced grid restoration from the Delta Power Station, and at 4:59 pm, a full restoration of the entire grid was achieved.

The Transmission Company appreciated the government, electricity customers nationwide, and its international customers for their patience, noting that it would continue to work hard to expand and maintain the stability of the national grid.


Source: VON

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