Estimation of the Engineering Critical Current Criteria for HTS Wire Carrying an Alternating Current

Jiho Lee, Tae Kuk Ko

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

This paper deals with a method to estimate the engineering critical current criteria for high temperature superconducting (HTS) wire in alternating current (ac) operation. There are plenty of high temperature superconducting devices used in ac operation, such as superconducting fault current limiters and superconducting cables. However, the operating currents of those ac superconducting devices are mostly designated by the critical current measured in direct current operation based on International Electrotechnical Commision (IEC) 61788-3, so the engineering critical current criteria of the HTS wire for ac operation is needed. In this paper, the engineering critical current criteria of HTS wires for ac operation are estimated considering the odd harmonic electric fields, the calculated ac loss, and the temperature. The authors expect that the method and approaches used in this study will help to estimate the engineering critical current and to decide the operating currents of HTS applications.

Original languageEnglish
Article number9001705
JournalIEEE Transactions on Applied Superconductivity
Volume24
Issue number3
DOIs
Publication statusPublished - 2014 Jun 1

Fingerprint

Superconducting wire
Critical currents
critical current
alternating current
wire
engineering
Superconducting devices
superconducting devices
Temperature
Superconducting fault current limiters
Superconducting cables
estimates
cables
direct current
Electric fields
harmonics
electric fields

All Science Journal Classification (ASJC) codes

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

Cite this

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Estimation of the Engineering Critical Current Criteria for HTS Wire Carrying an Alternating Current. / Lee, Jiho; Ko, Tae Kuk.

In: IEEE Transactions on Applied Superconductivity, Vol. 24, No. 3, 9001705, 01.06.2014.

Research output: Contribution to journalArticle

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