Since 1964, celduc transfo is the French specialist of customized immersed transformers and small series production.
Our transformers
Manufacturer of “customized” immersed power transformers, our range extends from 50 kVA until 17 MVA
(Learn more…)References and Application fields
Oil & Gas, Sailing propulsion, Power station, Cement industry, Steel industry…
(Learn more…)Design

Search of electrical performance, isolation level, thermal sizing, protection factor… constitute the daily task of our designer team.
Charging rate, installation conditions, surface treatment… all is taken in consideration for the transformer as built for a long time.
Tests

Our tests platform can also realize typical or special tests such as :
- Temperature rise test,
- Noise level test,
- Lightning impulse test,
- Oil dielectric strength.
Test realized according to customer’s requirements or during FAT (Factory Acceptance Tests) receipts in factory in presence of our customers.
- 140 kV for applied voltage test,
- 325 kV lightning impulse test.