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http://dx.doi.org/10.5370/KIEE.2011.60.10.1881

Temperature Dependence of Conductivities of Recyclable Polyethylene and Polypropylene and its Effects on Electric Field Distribution in Power Cable  

Lee, June-Ho (호서대 전기공학과)
Kong, Tae-Sik (호서대 전기공학과 대학원)
Kim, Seong-Jung (호서대 전기공학과 대학원)
Kwon, Ki-Hyung (호서대 전기공학과 대학원)
Cho, Kyu-Cheol (SK 이노베이션 고분자연구실)
Hozumi, Naohiro (토요하시기술과학대학)
Publication Information
The Transactions of The Korean Institute of Electrical Engineers / v.60, no.10, 2011 , pp. 1881-1887 More about this Journal
Abstract
In this work the recyclable new polyethylene(PE) and polypropylene(PP), which are thermoplastic, have been investigated as the eco-friendly insulating candidates to replace the cross-linked polyethylene (XLPE). The temperature dependence of conductivities of these materials has been measured and its effects on electric field and space charge distribution in polymeric insulated power cable under temperature gradient have been calculated. It is shown that the sensitivity of conductivity to temperature change has more critical influence to determine the electric field distribution in the power cable than the absolute value of conductivity does and it can be said that the temperature dependence is one of most important factors for the power cable design.
Keywords
Recyclable; Modified PE; PP; Conductivity; Temperature gradient; Electric field and spacecharge distribution;
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