What is transformer fluid reconditioning, and how does it apply to silicone oil?
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October 5, 2024 at 2:26 pm by David Wilson
Transformer fluid reconditioning refers to the process of restoring used transformer oil to its original condition by removing contaminants and replenishing its essential properties. In the case of silicone oil, reconditioning involves several steps to ensure the oil regains its insulating and cooling capabilities. The process typically begins with purification methods such as vacuum dehydration to remove moisture and degassing to eliminate dissolved gases. Filtration systems are then employed to remove particulate matter and tramp oils, ensuring the oil is free from solid contaminants. Adsorption treatments using materials like activated alumina or molecular sieves further extract acidic compounds and polar impurities that may have formed due to oxidation. After these purification steps, the oil may undergo quality testing to verify that it meets industry standards for dielectric strength, moisture content, and acidity. Reconditioning silicone oil extends its usable life, maintains transformer performance, and reduces the need for costly oil replacements, making it a cost-effective and environmentally friendly maintenance practice.