Transformer Overhaul & Refurbishment
We professionally refurbish oil-filled and dry-type transformers, restoring full operational performance and safe working parameters. We provide comprehensive diagnostics, modernization and testing in compliance with all applicable standards.
Explore our services
Comprehensive solutions for transformers and transformer substations — sales, rental, refurbishment, purchasing and service. We tailor technical solutions to the realities of your installation and support you from planning to operation.
Restoring Performance and Extending Service Life
Professional Transformer Refurbishment
Transformatory ABC has many years of experience in transformer repair for the energy distribution sector. Numerous industrial and utility companies rely on this expertise.
Our workshop includes dedicated transformer repair departments and mechanical facilities equipped for all inspection and repair operations.
Lifting equipment with capacity up to 50,000 kg, combined with close cooperation with our heavy-transport partner, ensures smooth handling, loading and unloading of transformers and electrical machines undergoing refurbishment.
Our technical expertise, together with the high-quality insulating materials and spare parts used in the workshop (including insulation systems up to Class H), guarantees an efficient and reliable repair process.
Why Choose Us for Transformer Refurbishment?
Safety & Cost Efficiency
We carry out full overhauls and modernisation of oil-filled and dry-type transformers — from sealing and oil replacement to refurbishment of live components. Each project begins with a detailed technical assessment to determine the optimal scope of work for long, failure-free operation.
We also perform diagnostics, oil analyses and electrical measurements using certified equipment. With our in-house workshop facilities, we complete projects quickly, safely and in full compliance with standards, restoring the unit to optimal condition.
Need Transformer Refurbishment?
If you require transformer overhaul or technical support, we will recommend the best solution and prepare an offer tailored to your project. We provide quick, precise communication with no unnecessary formalities.
Reliable, Professional Transformer Repair
What Does a Transformer Overhaul Include?
- Oil sampling and laboratory analysis
- Diagnostic measurements and expert recommendations
- Changing vector groups (connection group modifications)
- Upgrading by replacing or adding radiators, fans and pumps
- Repair of cooling shields and permanent leak elimination
- Oil purification, regeneration or complete oil replacement
- Testing and replacement of bushings, bushing modifications
- Insulation sampling and analysis
- Installation or replacement of all accessories: DGPT2, thermometers, pressure relays, Buchholz relays, PT-100 sensors, etc.
Need a New Transformer?
Transformer Sales
We offer a wide selection of oil-filled and dry-type transformers — from standard units to solutions for demanding industrial applications. Device selection is based on an in-depth analysis of operating parameters to ensure maximum reliability, efficiency and compliance with technical requirements.