Impulse breakdown processes over insulating polymer surfaces

Lloyd, Damien (1999). Impulse breakdown processes over insulating polymer surfaces B.Sc Thesis, School of Computer Science and Electrical Engineering, The University of Queensland.

       
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Author Lloyd, Damien
Thesis Title Impulse breakdown processes over insulating polymer surfaces
School, Centre or Institute School of Computer Science and Electrical Engineering
Institution The University of Queensland
Publication date 1999
Thesis type B.Sc Thesis
Supervisor Dr Tapan Saha
Total pages 58
Language eng
Subjects 0906 Electrical and Electronic Engineering
Formatted abstract

This thesis is an investigation of surface charge accumulation and the role it plays in surface flashover. Most predominantly this thesis has investigated the role surface charge accumulation has on surface flashover of an XLPE insulated conductor.

In brief it was found that

- Surface charge does occur on XLPE insulation.

- Surface charge accumulation is greatest when a withstand voltage is applied.

- There is very little surface charge accumulation when a flashover occurs, this indicates that a flashover neutralises most of the accumulated charge.

- Surface charge accumulation served to increase the flashover voltage.

- The breakdown voltages were much greater for an air gap set-up than the flashover voltages for the insulated conductor set-up.

Keyword Insulating polymer surfaces
XLPE insulation
Additional Notes * 4th year electrical engineering theses and information technology abstracts. 1999

Document type: Thesis
Collection: UQ Theses (non-RHD) - UQ staff and students only
 
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