Over-current characteristics of 66-kV RE123 HTS power cable

Xudong Wang; Atsushi Ishiyama; Masayoshi Ohya; Noboru Fujiwara

doi:10.1109/TASC.2010.2095404

Over-current characteristics of 66-kV RE123 HTS power cable

Xudong Wang, Atsushi Ishiyama, Masayoshi Ohya, Noboru Fujiwara

School of Advanced Science and Engineering

Research output: Contribution to journal › Article › peer-review

15 Citations (Scopus)

Abstract

In Japan, the development of the 66-kV-class superconducting power cable was begun in 2008 as a national project. A high-temperature superconducting (HTS) power cable typically consists of a copper former, HTS conductor layers, electrical insulation layers, HTS shield layers, and copper shield layers. 66-kV-class superconducting power cables may be subjected to a fault current of 31.5 kA_rms for 2 s. Therefore, in order to ensure the stability and feasibility of superconducting power cables, we need to investigate these cables with respect to their thermal characteristics and current distribution under fault conditions. In this study, we carried out over-current experiments on a 2-m-long HTS model cable. We also performed numerical simulations on the model cable by using a computer program developed by us on the basis of a 3D finite element method (FEM) and an electrical circuit model.

Original language	English
Article number	5675745
Pages (from-to)	1013-1016
Number of pages	4
Journal	IEEE Transactions on Applied Superconductivity
Volume	21
Issue number	3 PART 2
DOIs	https://doi.org/10.1109/TASC.2010.2095404
Publication status	Published - 2011 Jun 1

Keywords

66 kV
FEM analysis
Fault current
Superconducting power cables

ASJC Scopus subject areas

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

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title = "Over-current characteristics of 66-kV RE123 HTS power cable",

abstract = "In Japan, the development of the 66-kV-class superconducting power cable was begun in 2008 as a national project. A high-temperature superconducting (HTS) power cable typically consists of a copper former, HTS conductor layers, electrical insulation layers, HTS shield layers, and copper shield layers. 66-kV-class superconducting power cables may be subjected to a fault current of 31.5 kArms for 2 s. Therefore, in order to ensure the stability and feasibility of superconducting power cables, we need to investigate these cables with respect to their thermal characteristics and current distribution under fault conditions. In this study, we carried out over-current experiments on a 2-m-long HTS model cable. We also performed numerical simulations on the model cable by using a computer program developed by us on the basis of a 3D finite element method (FEM) and an electrical circuit model.",

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AU - Wang, Xudong

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