What are the technical aspects of transformer oil recovery?

The technical aspects of transformer oil recovery involve several key processes: filtration to remove particulate contaminants, dehydration to eliminate moisture, and degassing to remove dissolved gases. Advanced methods such as vacuum distillation and adsorption using activated carbon can enhance oil purity. Additionally, monitoring the oil’s dielectric strength and chemical composition is crucial to ensure it meets operational standards post-recovery, thereby maintaining transformer efficiency and longevity.