Insulation Characteristics of PPLP and Design of 250 kV Class HTS DC Cable

Woo Jin Kim, Hae Jong Kim, Jeon Wook Cho, Haigun Lee, Yeon Suk Choi, Sang Hyun Kim

Research output: Contribution to journalArticlepeer-review

12 Citations (Scopus)


The development of high temperature superconducting (HTS) dc cable system has been promoted for the land long-term high-capacity power transmissions, submarine cables and renewable energies. Polypropylene laminated paper (PPLP) has been widely used as insulating material for HTS cable. To develop the PPLP-insulated dc cable, it is important to study the dc, dc polarity reversal and lightning impulse characteristics at a cryogenic temperature. In this paper, we discuss the electrical insulation characteristics of PPLP-insulated mini-model cable. We investigate the dc, impulse breakdown strength, dc polarity reversal, and dc voltage (V)-numbers of dc polarity reversal (N). Also, based on these results, the insulation design of 250 kV class HTS dc cable is performed.

Original languageEnglish
Article number7004855
JournalIEEE Transactions on Applied Superconductivity
Issue number3
Publication statusPublished - 2015 Jun 1


  • HTS dc cable
  • Insulation characteristics
  • Insulation design
  • PPLP

ASJC Scopus subject areas

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


Dive into the research topics of 'Insulation Characteristics of PPLP and Design of 250 kV Class HTS DC Cable'. Together they form a unique fingerprint.

Cite this