Cause of transformer station fire in Tien Giang

On the afternoon of September 1, Power Transmission Company 4 - National Power Transmission Corporation determined that the cause of the fire at Cai Lay 220kV Transformer Station (Tien Giang) last night was a lightning strike.

Specifically, at 9:30 p.m. on August 31, at the Cai Lay 220kV Transformer Station (belonging to Power Transmission Company 4 - National Power Transmission Corporation), a transformer failure occurred.

The Cai Lay 220kV transformer station was struck by lightning, causing a fire (Photo: Contributor).

Immediately afterwards, Power Transmission Company 4 separated the transformer from the system to ensure safe operation of the national power transmission system.

The company also notified the fire police agency in Cai Lay town to coordinate fire fighting, demarcate safe areas to hand over to local fire fighting units for work, and restore systems not affected by the incident.

At that time, preliminary information showed that lightning struck the 22kV underground cable tower outside the station, then spread to Cai Lay Transformer Station, causing a 110kV transformer failure at Cai Lay Transformer Station. At the same time, this area was experiencing heavy rain and thunderstorms.

Police spray water to cool the area of ​​the transformer station fire (Photo: CTV).

So far, the incident has not caused any human casualties. Therefore, EVNNPT said it is coordinating with the Southern Power System Control Center and the Southern Power Corporation to restore power supply to the area. At the same time, EVNNPT has mobilized backup transformers for replacement as soon as possible to ensure the safety of the power system.

It is known that Cai Lay 220kV Transformer Station is located in Cai Lay town, Tien Giang province, and was put into operation in 1997. The station has 2 220kV transformers (AT1 and AT2), total capacity of 375MVA; 2 110kV transformers (T3 and T4) total capacity of 80MVA.

The transformer station fire caused a widespread power outage including Cai Lay town, and affected the 110kV 174 Cai Lay - 171 Tan Thanh line, the 110kV Thanh Hoa, Moc Hoa and Vinh Hung transformer stations; causing sudden power outages in districts of Long An province.

Previously, at 9:30 p.m. on August 31, a fire broke out at Cai Lay 220kV Transformer Station, in Quarter 1, Ward 5.

Immediately afterwards, 34 officers and soldiers and 6 fire trucks arrived at the scene to put out the fire. The fire covered an area of ​​about 100 square meters out of a total area of ​​33,000 square meters of the transformer station.

After more than an hour of fire fighting, the fire was under control.

The fire did not cause any human casualties; it burned two transformers. The value of property damage is being clarified by the authorities.

Source: https://dantri.com.vn/xa-hoi/nguyen-nhan-chay-tram-bien-ap-o-tien-giang-20240901143846072.htm