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TXpand - A rupture resistant transformer solution

Reduce risk to increase safety, protect the environment and keep the power flowing

Standard transformers are extremely rigid and strong structures, but when extreme pressure builds up due to internal failures transformers can very rarely rupture, creating safety and environmental hazards.

Like crumple zones in modern cars, which protect passengers by absorbing the energy during a crash for controlled damage, increased flexibility can provide the solution.

TXpand is a new power transformer technology for rupture resistance, enhancing safety for people and the environment. Transformers containing this technology can literally expand, absorbing energy from faults.

ABB has developed the TXpand technology through careful analysis and modelling to make the most rigid areas flexible, the weakest points stronger, and integrating rupture points to take control of the most unpredictable failures.

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