Transformer Oil Filtration is the process of removing contaminants such as dirt, moisture, sludge, and other impurities from the insulating oil used in transformers. The oil plays a critical role in cooling and insulating the transformer, and its condition directly impacts the transformer's performance, reliability, and lifespan. Over time, contaminants accumulate in the oil, reducing its insulating properties and leading to potential transformer failures. Oil filtration helps restore the oil’s quality and ensures that the transformer continues to operate efficiently.