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A new mathematical model for evaluating breakdown in solid insulations under impulse conditions

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3 Author(s)
O. E. Gouda ; Dept. of Electr. Eng., Cairo Univ., Egypt ; A. M. Thabet ; H. H. El-Tamaly

Breakdown, or channel formation, of a polymer under transient conditions occurs in a single step and generates a conducting pass, which indicates that the electric field in the breakdown region collapses extremely rapidly. In this contribution, a new mathematical model of a breakdown channel configuration in solid dielectrics under impulse conditions is investigated. Also, this paper studies the energy to form a breakdown channel and its effect on unique and mixture dielectrics.

Published in:

Proceedings of 2005 International Symposium on Electrical Insulating Materials, 2005. (ISEIM 2005).  (Volume:3 )

Date of Conference:

5-9 June 2005