Heathrow fire caused by a well -known technical error for years: report – national

and Electrical sub -station fire That closed Heathrow On Wednesday, a report found that the airport, which canceled more than 1300 flights, was due to a preventive technical error that was identified nearly seven years ago.

The most crowded air axis in Europe was closed for 18 hours in March after a fire fire from the three electrical stations that provide Heathrow with energy. More than 270,000 passengers have disrupted trips.

The anti -terrorist police initially led the investigation of the fire, which came as authorities throughout Europe against Russia -backed sabotage.

Although the authorities were excluded quickly sabotage or sabotage, the massive influence of the fire sparked concern about the elasticity of the British energy system in accidents, natural disasters, or attacks.

The government ordered an investigation into “any broader lessons that must be learned about energy flexibility for critical national infrastructure.”

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Heathrow Airport in the London fire causes major flying disturbances

The report issued by the National Energy System operator said that a “high humidity reading” was found in the oil samples at the sub -station in West London in July 2018, but no action was taken to replace the electrical insulators known as the bars.

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He said that the March 20 fire was caused by a “catastrophic failure” in a transformer, “most likely due to the moisture that enters the fuss, causing a short circle” that ignited the oil.

The report also said that Heathrow reduced the possibility of a three -energy sources, and as a result, “the internal electrical distribution network has not been designed or composed to benefit from the presence of multiple supply points to provide fast recovery after this loss.”

Energy Minister Ed Miliband said the results were “deeply related to.” He said that the OGEM energy organizer has opened an investigation on whether the sub -station operator, the national transfer of the electricity network, has violated its licensing conditions.

National Grid said that Britain has “one of the most reliable networks in the world, and the events of this kind are rare. The national network has a comprehensive program for inspection and maintenance of assets, and we have taken more measures since the fire.”

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