Retrofit of power transformers always involves a high content of specialized engineering, which represents great challenges. At Ingetraf we have expert engineers to make these processes more dynamic, agile and safe for our clients.
Power Transformer Retrofit Engineering

Bushings Replacement Engineering
Mechanical modifications, selection of hardware, gasketing and internal connections.

Conservator tank retrofit and elastic compensator implementation
Sizing of the elastic compensator and level indicator with the respective mechanical adaptation.

Active part engineering
(core, presses, windings and connections)
Core mechanical modifications with presses, mechanical design of windings and connections.

Engineering for mechanical tank modifications
Adding or replacing the refrigeration system, valve replacement, accessory replacement, gasket replacement, hardware, etc.

No/ On Load Tap Changer’s Retrofit
(NLTC / OLTC)
Connection, mechanical adaptation and motor control adjustments if applicable.

Control and monitoring modernization engineering
Currently the industry requires to be competitive, a permanent update; this leads to adapt techniques in control and monitoring systems; understanding regulations and protocols in favor of efficiency and quality in the different industrial facilities. Therefore, we offer solutions that address security and monitoring functions of power transformers.