How does a transformer oil regeneration system work?

A transformer oil regeneration system works by filtering and purifying used transformer oil to restore its insulating properties. The process typically involves removing contaminants such as water, dissolved gases, and particulate matter through techniques like vacuum distillation, adsorption, and filtration. The oil is heated to facilitate the removal of moisture and gases, while adsorbent materials capture polar compounds. This regeneration process enhances the oil’s dielectric strength and prolongs the life of the transformer.