Thermal analysis of co-axial multi-layered BSCCO HTS power cable

Daisuke Miyagi; Naoki Takata; Norio Takahashi

doi:10.1109/TASC.2010.2090636

Thermal analysis of co-axial multi-layered BSCCO HTS power cable

Daisuke Miyagi, Naoki Takata, Norio Takahashi

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

8 Citations (Scopus)

Abstract

Reduction of the cooling cost and the securing of thermal stability are important problems to put HTS power cables to practical use. It is in particular very important in an HTS cable design to estimate the temperature rise by the AC loss and the over current precisely. The detailed behavior of the ac loss and the temperature distribution in a co-axial multi-layered BSCCO HTS power cable are analyzed by the magneto-thermal coupled method considering the temperature dependence of the critical current density and the Cu electrical resistance. Moreover, the temperature rise by the ac loss and the ohmic loss in each layer under the over current is calculated and the cooling necessity from the inside of a Cu former is examined.

Original language	English
Article number	5659978
Pages (from-to)	991-995
Number of pages	5
Journal	IEEE Transactions on Applied Superconductivity
Volume	21
Issue number	3 PART 2
DOIs	https://doi.org/10.1109/TASC.2010.2090636
Publication status	Published - 2011 Jun 1
Externally published	Yes

Keywords

AC loss
Co-axial multi-layered HTS cable
Magneto-thermal coupled analysis
Temperature rise

ASJC Scopus subject areas

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

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10.1109/TASC.2010.2090636

Cite this

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abstract = "Reduction of the cooling cost and the securing of thermal stability are important problems to put HTS power cables to practical use. It is in particular very important in an HTS cable design to estimate the temperature rise by the AC loss and the over current precisely. The detailed behavior of the ac loss and the temperature distribution in a co-axial multi-layered BSCCO HTS power cable are analyzed by the magneto-thermal coupled method considering the temperature dependence of the critical current density and the Cu electrical resistance. Moreover, the temperature rise by the ac loss and the ohmic loss in each layer under the over current is calculated and the cooling necessity from the inside of a Cu former is examined.",

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N2 - Reduction of the cooling cost and the securing of thermal stability are important problems to put HTS power cables to practical use. It is in particular very important in an HTS cable design to estimate the temperature rise by the AC loss and the over current precisely. The detailed behavior of the ac loss and the temperature distribution in a co-axial multi-layered BSCCO HTS power cable are analyzed by the magneto-thermal coupled method considering the temperature dependence of the critical current density and the Cu electrical resistance. Moreover, the temperature rise by the ac loss and the ohmic loss in each layer under the over current is calculated and the cooling necessity from the inside of a Cu former is examined.

AB - Reduction of the cooling cost and the securing of thermal stability are important problems to put HTS power cables to practical use. It is in particular very important in an HTS cable design to estimate the temperature rise by the AC loss and the over current precisely. The detailed behavior of the ac loss and the temperature distribution in a co-axial multi-layered BSCCO HTS power cable are analyzed by the magneto-thermal coupled method considering the temperature dependence of the critical current density and the Cu electrical resistance. Moreover, the temperature rise by the ac loss and the ohmic loss in each layer under the over current is calculated and the cooling necessity from the inside of a Cu former is examined.

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Thermal analysis of co-axial multi-layered BSCCO HTS power cable

Abstract

Keywords

ASJC Scopus subject areas

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