Transformer Oil Dehydration is a critical maintenance process for removing moisture from the insulating oil, which is essential for a transformer's operational health and lifespan. The presence of water in the oil can significantly reduce its dielectric strength, leading to a higher risk of electrical breakdown and failure. The dehydration process typically involves using specialized oil filtration plants that heat the oil under a vacuum. This heating and vacuum combination evaporates the water, which is then removed, leaving behind dry, high-quality insulating oil. This process helps to restore the oil's properties and prevent insulation degradation. In the Gurugram area, companies like Saini Transformer and Power Engineers & Contractor provide this vital service, helping to ensure the reliability and extend the service life of transformers.