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Thermal stability change of synthetic ester-based transformer oil (CROSBI ID 244349)

Prilog u časopisu | stručni rad | međunarodna recenzija

Haramija, Veronika ; Vrsaljko, Dijana ; Đurina, Vedran ; Vrsaljko, Domagoj Thermal stability change of synthetic ester-based transformer oil // Energija : časopis Hrvatske elektroprivrede, 63 (2014), Special Issue; 135-140

Podaci o odgovornosti

Haramija, Veronika ; Vrsaljko, Dijana ; Đurina, Vedran ; Vrsaljko, Domagoj

engleski

Thermal stability change of synthetic ester-based transformer oil

For good transformer condition assessment it is necessary to determine the condition of insulating materials, both liquid and solid. Transformer is reliable for as long as its insulation system resists deterioration. Therefore, thermal and oxidation stability are important characteristics of transformer oil. It is a measure of oil resistance for decomposition by the influence of oxygen and temperature. Oils with good thermal and oxidation stability retain their characteristics regardless the thermal stress. Because of environmental and safety issues, the use of synthetic ester-based transformer oils is increasing. Although they have been in use in smaller transformers (distributive, traction, …) for decades, limit values for chemical and physical characteristics are still discussed. New methods for thermal stability evaluation can be useful for insulation condition assessment.

transformer oil ; synthetic ester ; ageing ; thermal properties ; TGA ; DSC

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Podaci o izdanju

63 (Special Issue)

2014.

135-140

objavljeno

0013-7448

1849-5346

Povezanost rada

Kemija, Elektrotehnika