| Titre : | Recent progress in nanofluids based on transformer oil: preparation and electrical insulation properties (2015) |
| Auteurs : | Lv, Y. Z., Auteur ; Y. Zhou, Auteur ; Li, C. R., Auteur |
| Type de document : | Article : texte imprimé |
| Dans : | IEEE electrical insulation magazine (Vol. 30 N° 5, Septembre-Octobre 2014) |
| Article en page(s) : | pp. 23 - 32 |
| Note générale : | Génie électrique |
| Langues : | Français |
| Tags : | Electric strength Paper Power transformers Reliability Transformer oil |
| Résumé : | Given the adoption of ultrahigh-voltage ac and dc power transmission, it is desirable to develop a new kind of oil-paper insulation system, with higher dielectric strength and smaller volume compared with conventional insulation systems, in order to reduce the volume and mass of high-voltage power transformers and improve their long-term operational reliability [1], [2]. Methods of improving the dielectric properties of the oil-paper insulation have therefore been widely investigated [3], [4]. The most influential factors affecting the performance of oil-paper insulation systems are the low dielectric strength of transformer oil and its degradation caused by water and other contaminants [5]. The dielectric strength of oil-paper insulation may be increased by filtering the oil in order to remove water and other contaminants [6]. However, further increase in the dielectric strength of the oil is required in order to achieve reduction of transformer volume and mass. |
| En ligne : | http://ieeexplore.ieee.org/xpl/articleDetails.jsp?arnumber=6882597&filter%3DAND%28p_IS_Number%3A6882590%29 |
