The transformer oil regeneration process includes several steps:
Filtration: Removes solid particles and sludge.
Vacuum Dehydration and Degassing: Eliminates moisture and dissolved gases through heating and vacuum pressure.
Adsorption: Oil is passed through filters containing activated clay or other adsorbent materials that remove acids, oxidation products, and other impurities.
Restoration of Additives: Sometimes, additives such as antioxidants are replenished to extend the oil’s lifespan. The goal is to fully restore the oil’s dielectric strength and chemical stability.
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