ABB transformer protection

Three U.S. Utilities Order Ballistic Protection Transformer Solution

ABB’s AssetShield ballistic protection transformer solution designed to enhance physical security and reliability

ABB has won orders from three major US utilities for its innovative AssetShield solution to deliver hardened and bullet resistant transformers, and facilitate the protection of critical grid assets, minimizing potential outages and enhancing the reliability of power networks.

AssetShield-protected transformers are designed to help utilities meet new security and resiliency standards for critical substations in the United States. This solution is an integral part of ABB’s Transformer Resilience initiative that includes five strategic elements – assessment, hardening, monitoring, rapid repair and rapid replacement – designed to help utilities protect assets and restore power quickly in the event of physical damage to a substation.

The United States, like any other country, is more dependent than ever on reliable electric power for residential, commercial and industrial use as well as strategic security. A natural disaster, attack on the grid or the loss of large power transformers could result in widespread power outages, affecting consumers and having a significant economic impact.

ABB’s scope of supply for the orders received includes a 700 megavolt-ampere (MVA), 345 kilovolt (kV) power transformer, two 100 MVA, 141 kV power transformers and three 500 kV single phase units. The UL-752 standard compliant transformers feature Asset Shield tanks, dry bushings, impact sensors and automated cooling valves.

Armor steel shielding of transformers and power equipment is part of the “hardening” process to provide components with advanced ballistic-level protection against physical attack. This is a new solution to safeguard and protect large power transformers and other substation equipment. Based on a standard design, there is no visual difference between standard transformers and those with AssetShield protection, with the latter not requiring any additional maintenance or replacement measures. 

 

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