• Oil sampling must be carried out by qualified professionals according to procedures
  • Laboratory analyses must be carried out using methods set by reference standards, as guaranteed by accredited laboratories
  • The countermeasures to the “Chemical degradation of oil” criticality, in this case oil changes and depolarisation of the transformer must be carried out
    • using technologies that are safe and fit to meet the requirements of BAT and BEP
    • using staff with specific skills and trainin
    • relying on operators able to demonstrate an extensive application case history and able to certify interventions carried out with quality assurance (ISO 9001)