Author： Huang Feng
Publisher： Edp Sciences
E-ISSN： 2267-1242|38|issue|04004-04004
ISSN： 2267-1242
Source： E3S Web of conferences, Vol.38, Iss.issue, 2018-06, pp. : 04004-04004
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Abstract
disintegration examination and analysis are employed in flexible terminal breakdown of 110 kV XLPE insulated cables. It is considered that the main reason of breakdown is the separation of the stress cone of the terminal and the fracture of the semi- conductive layer of the cable insulation. Therefore, the finite element method is used to electric field model and simulate the dislocation fault of internal stress cone and outer semiconductor layer of cable insulation. The distribution of the electric field intensity is calculated and compared. The simulation and calculation results verify the validity of the breakdown mechanism analysis, and put forward some practical suggestions.
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