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Title: The effect of organic additives on the breakdown and gassing properties of mineral oils
Authors: Ευαγγέλου, Χρήστος Α.
Zaky, A. A.
Megahed, I. Y.
Item type: Journal article
Keywords: Oil;Organic additives;Λάδι;Οργανικά πρόσθετα
Subjects: Technology
Chemical technology
Χημική τεχνολογία
Issue Date: 8-Jan-2015
Date of availability: 8-Jan-2015
Publisher: [χ.ό.]
Abstract: The effect of organic additive content on the direct voltage breakdown strength of degassed transformer oil and liquid paraffin is reported for a wide range of concentration of additives known to be effective gassing inhibitors. Their effect on the breakdown strength of oils saturated with hydrogen, nitrogen and oxygen is also reported. Measurements of the gassing properties of the oils were carried out for the same extended range of additive concentrations. The observed breakdown and gassing versus concentration characteristics indicate the presence of maximum and minimum points at concentrations which are independent of the matrix liquid and of dissolved gas and gas phase. There is a remarkable degree of correlation between the breakdown and the gassing properties of the liquids tested. This and other relevant observations indicate that gas generation is an intrinsic part of the breakdown process and strongly support the bubble theory of breakdown. This forms the basis for the discussion of the results.
Language: English
Citation: Zaky, A., Megahed, I. and Evangelou, C. (1973). The effect of organic additives on the breakdown and gassing properties of mineral oils. Journal of Physics D: Applied Physics. vol. 9. pp. 841-850. Available from:
Journal: Journal of Physics D: Applied Physics
Type of Journal: With a review process (peer review)
Access scheme: Publicly accessible
License: Αναφορά Δημιουργού-Μη Εμπορική Χρήση-Όχι Παράγωγα Έργα 3.0 Ηνωμένες Πολιτείες
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