Mechanical Bending Characteristics of HTS DC Cable

Woo Jin Kim, Sang Hyun Kim, Dong Gyu Yang, Haigun Lee, Jeon Wook Cho, Hae Jong Kim

Research output: Contribution to journalArticle

Abstract

Higherature superconducting (HTS) dc cable is expected to be an application as larger transmission of electrical power because of, ultimately, lower loss, as well as large capacity compared with ac cable. In order to secure long life, reliability, and compactness of HTS DC cable, the roles of breakdown properties and insulation design are important. In actual cable, breakdown properties are influenced by not only up-scale effect but also mechanical stress during cable production and installation. For HTS cable, polypropylene laminated paper has been used as insulation material. Polypropylene laminated paper has been widely adopted as insulating material for HTS cable. In this paper, the model cables with different thicknesses were fabricated, and the breakdown tests were performed. Based on the results, an improved insulation design of 250-kV-class HTS dc cable was proposed with volume effect. The breakdown characteristics of bended cables were also investigated with various testing conditions.

Original languageEnglish
Article number7390033
JournalIEEE Transactions on Applied Superconductivity
Volume26
Issue number4
DOIs
Publication statusPublished - 2016 Jun 1

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cables
Superconducting cables
Cables
direct current
Insulation
Polypropylenes
insulation
breakdown
polypropylene
Insulating materials
scale effect
void ratio
Testing
installing

Keywords

  • Bending characteristics
  • HTS dc cable
  • Insulation design
  • PPLP
  • Volume effect

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Condensed Matter Physics
  • Electronic, Optical and Magnetic Materials

Cite this

Mechanical Bending Characteristics of HTS DC Cable. / Kim, Woo Jin; Kim, Sang Hyun; Yang, Dong Gyu; Lee, Haigun; Cho, Jeon Wook; Kim, Hae Jong.

In: IEEE Transactions on Applied Superconductivity, Vol. 26, No. 4, 7390033, 01.06.2016.

Research output: Contribution to journalArticle

Kim, Woo Jin ; Kim, Sang Hyun ; Yang, Dong Gyu ; Lee, Haigun ; Cho, Jeon Wook ; Kim, Hae Jong. / Mechanical Bending Characteristics of HTS DC Cable. In: IEEE Transactions on Applied Superconductivity. 2016 ; Vol. 26, No. 4.
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