Transformer Oil Course – e-lesson #5 – Condition monitoring of oils in transformer service


 


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Join us on 3rd May at 2 pm CET for the 5th lesson of the Transformer oil course. The lesson will be dealing with condition monitoring of mineral oils after filling in transformers and energizing. Here you can get your room link.

 

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The content of this lesson is fully vendor agnostic but it is sponsored by Ergon.

The lesson will discuss the significance of condition monitoring especially for EHV and UHV power transformers. It will deal with critical parameters that require monitoring and their significance. The limits for critical parameter set by IEC standard IEC60422-2013 will be discussed along with consequences if the limits are allowed to cross. Author will talk about the recommended actions when critical oil parameters cross the set limits.

IEC 60422 standard will be compared with IEEE 57.106-2015 standard and the key differences between the two will be discussed.

Keywords: condition monitoring, IEC60422, IEEE 57.106,2015, critical parameters, corrective actions, water, acidity, oxidation