IEEE electrical insulation magazine, Vol. 30 N° 2. IEEE electrical insulation magazine - Mars-Avril 2014
| Titre : | IEEE electrical insulation magazine, Vol. 30 N° 2. IEEE electrical insulation magazine - Mars-Avril 2014 |
| Type de document : | Bulletin |
| Paru le : | 22/02/2015 |
Dépouillements
Article : texte imprimé
Vasovic, V., Auteur ;
Lukic, J., Auteur ;
Perrier, C., Auteur
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This article presents experimentally obtained moisture equilibrium charts for paper and pressboard insulations in mineral and natural ester transformer oils.
Article : texte imprimé
Marques, A., Auteur ;
de Jesus Ribeiro, C., Auteur ;
Azevedo, C. H., Auteur
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The article presents an analysis over an operational period of 33 years of 34.5-kV through 230-kV mineral-oil-filled power transformers that have been removed from service because of faults and defects.
Article : texte imprimé
Runde, M., Auteur ;
Hegerberg, R., Auteur ;
Magnusson, N., Auteur
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This article proposes how thermal and pressure gradients cause cavities to form in the insulation system of mass-impregnated nondraining HVDC subsea cable insulation, during high load and load changes.
Article : texte imprimé
Pham, D.A.K., Auteur ;
Pham, T.M.T., Auteur ;
Borsi, H., Auteur
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The standard frequency response analysis (FRA) is not fully efficient for diagnostics of mechanical failures in power transformers. The article recommends that physical electrical parameters of the transformers should be analyzed in addition to [...]
Article : texte imprimé
Xiaoxing Wei, Auteur ;
Zhidong, Jia, Auteur ;
Zhenting Sun, Auteur
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Icing of transmission lines due to extreme weather conditions has caused many failures in power networks worldwide [1]. As China has much of its land 2,000 m above sea level, intense snow and ice storms at this altitude have caused significant l[...]
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