The increasing demand for electricity has taken a toll on transformers which are burdened with stress and overheating and result in breakdowns. The significance of maintaining the transformer insulating oil in good condition and mitigating oil deterioration has been widely acknowledged in the industry.
Ageing of transformers have received increased focus in the recent past, owing to their relation with oil deterioration and oil regeneration system of transformer insulating oil.
When oil and paper, the two main players of insulation, age, they produce acids and moisture. Such by products must be identified and removed so that ageing is controlled and longevity is enhanced.