Clean Power

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The National Academy of Sciences of Ukraine

The Institute of Electrodynamics

About Institute



I.M. Kucheriava
Institute of Electrodynamics of the National Academy of Sciences of Ukraine,
Peremohy, 56, Kyiv-57, 03680, Ukraine,
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The electric field distributions in three-layer insulating structure of high-voltage power cable insulated with cross-linked polyethylene (XLPE) are studied by computer modeling under condition of the corrosion of the aluminum conductor and copper shield /neutral of the cable. The different shield configurations such as concentric neutrals, helicoidal copper tape and longitudinally corrugated metallic shield are considered. The electric field problems are solved using standard software and finite-element method for both axially symmetric model of the cable and its cross-section. The action of the corroded metallic cable components on the values and patterns of electric intensity in the adjoining conductor shield and insulation shield and in main insulation is shown. References 15, figures 5.
Key words: high-voltage cable, cross-linked polyethylene insulation, conductor shield and insulation shield, corrosion of conductor and metallic shield /neutral, computer modeling.

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