Vacuum dehumidification, filtering, degassing of the oil contained in the working power transformers, with the use of appropriate treatment plants, with a capacity of up to 5000 lt/ h to be carried out on-site.
Monitoring of the state of use of the transformers via tests on samples of oil.
Special on-site functioning checks of the HV/MV power transformers;
External maintenance, analysis of fault of power transformers;
Revision and/or maintenance of HV or MV windings on on-load tap changers of power transformers to be done at the factory.