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Transmission

Transmission sub-stations are often critical for supplying power or located in remote areas. When a transformer explosion occurs, the sub-station needs to be repaired and the transformer to be replaced. The disturbance in the transmission grid can lead to important consequences, such as:

  • Regional outage affecting several hundreds thousands of businesses and homes
  • Bush wildfires
  • Financial penalties
  • Financial losses
  • Environmental pollution

The experience has shown that transformer explosion can reach over $ tens of millions in loss.

The human life risk needs to be considered for the transmission sub-stations located in cities. The fire or the bushing turrets can lead to injuries or even worse. In some cases, the sub-station is in a building and an explosion can cause the building to collapse.

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 The TRANSFORMER PROTECTOR prevents such incidents to occur by depressurizing the transformer within milliseconds after an electrical fault initiates in the transformer tank, bushing turret or on-load tap changer. The TP has already prevented transmission transformer to explode from 60 MVA to 800 MVA.

Transmission sub-station

Grid transmission risk | wildfire risk | far from fire fighters

Installation in Brazil

Horizontal depressurization set | OLTC depressurization set | 12 step-down transformers from 27 to 500 MVA | 500 kV sub-station

HVDC sub-station

financial loss | human life risk | wildfire risk

Installation in the United States

45o depressurization set | OLTC depressurization set | 80 MVA | 4 indoor step-down transformers and one 0.5 MVA transformer

Installation in Mexico

Horizontal depressurization set | OLTC depressurization set | bushing turret depressurization sets | 168 MVA | 2 transformers

Installation in Chile

Vertical depressurization set | 65 MVA transformer | 1 step-down transformer

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