Title :
Modelling of the dry band problem on outdoor insulators: a new perspective
Author :
Danikas, M.G. ; Karafyllidis, Ioannis
Author_Institution :
Dept. of Electr. & Comput. Eng., Democritus Univ. of Thrace, Xanthi, Greece
Abstract :
This paper deals with the extension of the well known Obenaus model for flashover in outdoor insulators. It is assumed that contamination on insulator surfaces is not uniform and that the boundaries of the dry bands are not parallel. Taking into account the fact that the current starts to flow between points the distance of which is minimum, a more complete picture of the arc propagation emerges
Keywords :
arcs (electric); flashover; insulator contamination; leakage currents; modelling; surface contamination; Obenaus model extension; arc propagation; dry band problem; flashover; insulator surface contamination; modelling; outdoor insulators; Conducting materials; Conductivity; Dielectrics and electrical insulation; Flashover; Leakage current; Stability criteria; Surface contamination; Thermal pollution; Thermal stresses; Voltage;
Conference_Titel :
Conduction and Breakdown in Solid Dielectrics, 1998. ICSD '98. Proceedings of the 1998 IEEE 6th International Conference on
Conference_Location :
Vasteras
Print_ISBN :
0-7803-4237-2
DOI :
10.1109/ICSD.1998.709312
