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Over time, insulating oil in transformers degrades: moisture ingress, oxidation, sludge formation and dissolution of gases reduce its effectiveness. Here the use of a transformer oil regeneration machine (www.yunengoilpurifier.com) becomes a valuable strategy. For instance, the YZS series from Yuneng is described as using a single-stage vacuum filtration system designed for purification of external transformer oil, with advanced vacuum dewatering, degassing components and high-precision filters.
One of the key advantages of this regeneration approach is that it does not use acid/alkali processes; the full-procedure is physical purification, preserving the existing additives in the oil and reducing cost.
Complementing regeneration, a transformer oil dehydration machine (www.yunengoilpurifier.com) focuses on removing free and dissolved water from new or aged oil. Moisture is one of the major culprits in dielectric degradation and corrosion. On one of the product pages, the dehydration machine is described as designed “for both new and old transformer oil.”
When considered together, the regeneration-and-dehydration pairing offers a comprehensive rejuvenation path: the regeneration machine addresses oxidation products, sludge, discoloration and dielectric loss; the dehydration machine removes water content. The result: restored dielectric strength, clearer oil, and extended usable life.
Maintenance planners should evaluate metrics such as acid value, dielectric loss factor, water content (ppm), and breakdown voltage to determine when regeneration is required. Implementing a regular schedule of dehydration and regeneration will maximize transformer oil integrity and defer costly oil replacement or transformer downtime.
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