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Technical specifications of transformer:

Manufacturer: xxx
Year: 2013 (new)
Power [MVA]: 185
Voltage [kV]: 380/150
Oil mass [kg]: 50.940


Transformer empty following transport to destination site.


Estratto del rapporto di prova con esiti analitici dell’olio a fine intervento

Sea Marconi implemented the following measures: Filling the transformer under vacuum and oil treatment

Details of stages in the procedure

  • connecting and preparing the transformer for vacuum (1 day)
  • applying the vacuum to the transformer (3 days)
  • filling under vacuum (2 days)
  • checking the conservator and purging
  • treating the oil by circulating it through the Sea Marconi decontamination unit (two and a half days)
  • sampling the oil for testing at the end of process
  • disconnecting and uninstalling the site

Total duration of the process: 8 days

This treatment was carried out by Sea Marconi in conjunction with the manufacturer of the transformer who installed the transformer at the destination site and assembled the accessories.

Identified Critical issues

Applied solutions

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