Are you regularly maintaining your transformers? And what happens to the used insulating oil from your transformers in this context? Do you replace it with new oil or do you already use recycled insulating oil? Read here how you can reduce costs and save resources by using regenerated transformer oil and introducing a suitable transformer oil management.
Insulating oil in transformers degrades over time as it oxidises on contact with oxygen. Water particles and high temperatures also accelerate the ageing of the transformer oil. This results in colour changes, the reduction of inhibitors, the formation of acidic compounds as well as the formation and settling of sludge. This impairs the dielectric and thermal properties and thus leads to a reduction in performance or even failure of the transformers.
In order for transformers to provide consistent performance over many years, the insulating oil in the transformers must be regularly checked and, if necessary, regenerated or replaced. Many companies in the power supply and the industrial sector now prefer environmentally friendly solutions.
Electrical Oil Services (EOS®) offers you such a solution. We are your service provider for regular insulating oil tests and can treat your transformer oil directly on site or replace it with high-quality regenerated transformer oil if required. The use of reconditioned or recycled transformer oil is more price-stable and economical, and on top more sustainable and saves valuable resources.
But the best thing is that the quality is so high that the regenerated transformer oil from EOS® corresponds to that of a new insulating oil (according to IEC 60296:2020 Type B). Our recycled and certified EOS® Premium transformer oil differs slightly in color from a new insulating oil, but is otherwise in no way inferior to a new transformer oil.
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Regenerated insulating oil is preferred to new, unused oil, especially during transformer maintenance.
Electrical Oil Services has been a leading supplier of regenerated transformer oil as well as accompanying services for many decades. We are professionals in the reprocessing and recycling of transformer oil and support other companies to participate in an environmentally conscious circular economy:
Used transformer oil is re-introduced into the cycle after reprocessing.
Plant operators receive all the ecological benefits at a cost-efficient price.
The certified insulating oil quality is just as good: naphthenic-based mineral oil is reprocessed into as-new transformer oil in accordance with IEC 60296:2020 Type B.
All work is carried out professionally, safely and reliably according to the ISO quality management systems.
In accordance with §6 of the German Recycling Management Act (KrWG), our EOS® Closed Loop Model represents the highest recycling level.
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As transformers cost between several thousand and several million euros, depending on the power class, their performance and service life must meet the high expectations of the operators. It is important to pay attention to the quality of the transformer oil and to ensure that this is maintained with regular maintenance.
Is sustainability important to you? Then use recycled insulating oil. Nowadays, it is technically possible to produce regenerated transformer oil that is of the same high quality as new insulating oil. However, make sure that you obtain transformer oil that holds a IEC 60296:2020 Type B certificate!
Specialised and sustainability-focused transformer service providers such as Electrical Oil Services (EOS) offer you the all-round package:
Transformer oil monitoring: Regular insulating oil tests and analyses in our EOS® laboratory with subsequent recommendations for action - if necessary.
Insulating oil treatment: The quality of the insulating oil is significantly improved by treating or regenerating the transformer oil on site.
Sustainable insulating oil alternative: Replacement of the transformer oil with high-quality recycled insulating oil instead of using new, virgin insulating oil.
With EOS® Premium, Electrical Oil Services offers you a high-quality regenerated transformer oil that is IEC 60296:2020 Type B certified. All in all, the perfect alternatives for conserving valuable resources and a perfect contribution to sustainability!
Find out more about the deep cleaning of transformer systems:
Have we caught your interest in regenerated transformer oils? Let us advise you individually and free of charge:
This article was first published on 24.01.2023 and revised on 09.08.2024.