power transformers

Supported by six plants across two continents, including the world’s newest & most modern power transformer manufacturing facility, WEG delivers power transformers for the industrial, utility, and public power markets.

New North American Factory

In 2009, WEG opened the world’s newest, most advanced, state-of-the-art, power transformer manufacturing facility in Huehuetoca, Mexico just north of Mexico City. This facility is exclusively for the North American market and can design, build, and test power transformers up to 350MVA & 550kV.

Core cutting and clamping

The WEG design utilizes round core construction with cold rolled grain oriented silicon steel. Our clamping method is designed to prevent movement of core laminations while simultaneously supplying support for the windings. This robust design gives added short-circuit strength as well as improved bracing for transportation.

Winding area

The winding assembly follows rigorous quality standards. High cleanliness, high quality parts and tight manufacturing tolerances ensure very low impedance variation.

Vapor phase

WEG’s modern vapor phase system is the quickest and most effective way to dry transformers. This process ensures perfect dryness which leads to a longer transformer life. Vapor phase drying also reduces drying time by over 50% when compared to a non-vapor phase oven. By passing this time savings along the production schedule results in quicker delivery.

Manufacturing resources

WEG’s production facilities are equipped with state-of-the art engineering design software and equipment including the Anderson Program, finite element analysis software, and 3-D modeling programs which helps to ensure total quality control all the way from design to production to testing.

Customer service, delivery, logistics, and field service

WEG offers its customers complete service and postsales support including supervision, field service, start-up, commissioning, and site testing. WEG’s service department employs highly skilled experienced servicemen capable of providing rapid response support to any jobsite across North America.

Quality system

Quality control is carried out at each stage of production on a self assessment basis. Each employee regards the next workstation as his customer and performs a series of quality checks before passing on a product down the line. The Quality Assurance department monitors all quality control documents and carries out its own additional inspection at strategic points in the production line. As a consistent guarantee to the highest quality, WEG utilizes ISO 9000 standards and has achieved ISO 9001 certification for all its transformer facilities. Regular internal and external audits ensure full and continuous conformity with this international standard.