Clean Power

Ukrainian (UA)English (United Kingdom)

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,
е-mail: This e-mail address is being protected from spambots. You need JavaScript enabled to view it

The paper presents the factors and mechanisms influencing on the degradation of cross-linked polyethylene (XLPE) insulation of power cables, multiphysics processes and phenomena that take place at the aging of the insulation and lead to its breakdown. The typical defects of XLPE insulation which result from the production, design, laying and operation of the cables are shown and explained. The causes of damages and defects of the insulation are analyzed. The significance of electrical operating conditions of the cable and the need to use non-destructive testing methods for the long service life of XLPE insulation are revealed. References 49, figures 7, tables 3.
Key words: cross-linked polyethylene insulation, power cables, macro- and micro-sized defects, aging factors and mechanisms, transient processes, high-frequency overvoltages, testing methods.

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