Power transformers: Hardened and bullet resistant transformers

power transformer ABB

Power transformers: ABB has won orders from three major US utilities for its 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 US. This solution is an integral part of ABB’s Transformer Resilience initiative which 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 US, 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.

“We are pleased to provide this innovative solution to support increased grid resiliency and reliability,” said Markus Heimbach, Managing Director of ABB’s Transformers business unit, a part of the company’s Power Grids division. “ABB is collaborating with customers to address rising physical security concerns through solutions like AssetShield™ and other protective measures to mitigate risk and restore power faster.”

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.

ABB offers a complete range of power and distribution transformers designed for reliability, durability and efficiency. The company’s vast portfolio includes both liquid-filled and dry-type transformers as well as services for complete lifecycle support, including replacement parts and components.

ABB is a pioneering technology leader in electrification products, robotics and motion, industrial automation and power grids, serving customers in utilities, industry and transport & infrastructure globally. Continuing more than a 125-year history of innovation, ABB today is writing the future of industrial digitalization and driving the Energy and Fourth Industrial Revolutions. ABB operates in more than 100 countries with about 135,000 employees. ABB’s Americas operations are headquartered in Cary, North Carolina, and employ about 30,000 people in multiple manufacturing, service and other major facilities.

For more information about ABB or other products, click here to go to Utility Products’ Buyers Guide.

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