The Research on the Theory of Plasmoid Shortens the Valid Insulation Distance by which Leads to the Breakdown & the Mathematical Models Based on it

Abstract:

Scholars, in order to find out the reason of the unknown reason flashover of insulators for high voltage over-head line, have made a lot of research on it. There have been two theories put forward, both of which infer the impetus after appearance of the partial arc, neither of them expound how is the partial arc formed. Based on the two theories, this paper puts forward a new theory - the theory of plasmoid shortens the valid insulation distance by which leads to the breakdown, of whose main viewpoint is whether the breakdown occurs depends on the comparation between the valid insulation distance on insulator’s surface and the shortened valid insulation distance on insulator’s space around by the plasmoid. Furthermore, we put forward the plasmoid mathematical model by kinetics equations of fluid system. Particularly, except for the fluid motion features, the influence by the self-generating electric field and magnetic field must be considered

• Periodical: Advanced Materials Research (Volumes 433-440)
• Pages: 81-85
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.433-440.81
• Online since: January 2012
• Authors: Shun Yuan, Da Wei Hu
• Keywords: High Voltage Insulator, Plasmoid, Plasmoid Model, Unknown Reason Flashover, Valid Insulation Distance

References

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