What is the role of a passivator in transformer oil for power transformers?

The role of a passivator in transformer oil for power transformers is to enhance the oil’s stability and protect against oxidation. Passivators form a protective layer on metal surfaces, reducing the formation of corrosive compounds and prolonging the life of the transformer. By minimizing the degradation of transformer oil, passivators help maintain the electrical insulating properties and overall performance of power transformers, ensuring reliable operation.