Lateral critical current density distributions degraded near edges of coated conductors through cutting processes and their influence on ac loss characteristics of power transmission cables

N. Amemiya, Q. Li, R. Nishino, K. Takeuchi, T. Nakamura, K. Ohmatsu, M. Ohya, O. Maruyama, T. Okuma, T. Izumi

Research output: Contribution to journalArticle

15 Citations (Scopus)

Abstract

The critical current density (Jc) near the edges of coated conductor could impact the ac loss characteristics of the cables comprising coated conductors. A wide coated conductor is often cut into narrower coated conductors in fabrication processes, and the Jc might degrade near the edges of coated conductors through the cutting process. This possible degradation of Jc could depend on cutting technology. Lateral Jc distributions of coated conductors cut by using a mechanical slitter as well as a laser were measured by the magnetic knife method. The measured coated conductors are fabricated by PLD process on clad type textured-metal substrates with reduced magnetism. Based on the degradation of Jc near the edges of coated conductors which was determined experimentally, ac losses of multi-layer cables as well as mono-layer cables were calculated numerically to evaluate the impact of the Jc degradation near the edges of coated conductors on the their ac loss characteristics.
Original languageEnglish
Pages (from-to)990-994
Number of pages5
JournalPhysica. C, Superconductivity
Volume471
Issue number21-22
Early online date13 May 2011
DOIs
Publication statusPublished - Nov 2011

Fingerprint

power transmission
Power transmission
cables
density distribution
critical current
Cables
conductors
current density
Degradation
Magnetism
Pulsed laser deposition
Metals
degradation
Fabrication
Lasers
Substrates
fabrication

Keywords

  • AC loss
  • coated conductor
  • critical current density
  • power transmission cable
  • YBCO

Cite this

Lateral critical current density distributions degraded near edges of coated conductors through cutting processes and their influence on ac loss characteristics of power transmission cables. / Amemiya, N.; Li, Q.; Nishino, R.; Takeuchi, K.; Nakamura, T.; Ohmatsu, K.; Ohya, M.; Maruyama, O.; Okuma, T.; Izumi, T.

In: Physica. C, Superconductivity, Vol. 471, No. 21-22, 11.2011, p. 990-994.

Research output: Contribution to journalArticle

Amemiya, N. ; Li, Q. ; Nishino, R. ; Takeuchi, K. ; Nakamura, T. ; Ohmatsu, K. ; Ohya, M. ; Maruyama, O. ; Okuma, T. ; Izumi, T. / Lateral critical current density distributions degraded near edges of coated conductors through cutting processes and their influence on ac loss characteristics of power transmission cables. In: Physica. C, Superconductivity. 2011 ; Vol. 471, No. 21-22. pp. 990-994.
@article{3bb4185d059040f2ac39ea446e25491d,
title = "Lateral critical current density distributions degraded near edges of coated conductors through cutting processes and their influence on ac loss characteristics of power transmission cables",
abstract = "The critical current density (Jc) near the edges of coated conductor could impact the ac loss characteristics of the cables comprising coated conductors. A wide coated conductor is often cut into narrower coated conductors in fabrication processes, and the Jc might degrade near the edges of coated conductors through the cutting process. This possible degradation of Jc could depend on cutting technology. Lateral Jc distributions of coated conductors cut by using a mechanical slitter as well as a laser were measured by the magnetic knife method. The measured coated conductors are fabricated by PLD process on clad type textured-metal substrates with reduced magnetism. Based on the degradation of Jc near the edges of coated conductors which was determined experimentally, ac losses of multi-layer cables as well as mono-layer cables were calculated numerically to evaluate the impact of the Jc degradation near the edges of coated conductors on the their ac loss characteristics.",
keywords = "AC loss, coated conductor, critical current density, power transmission cable, YBCO",
author = "N. Amemiya and Q. Li and R. Nishino and K. Takeuchi and T. Nakamura and K. Ohmatsu and M. Ohya and O. Maruyama and T. Okuma and T. Izumi",
year = "2011",
month = "11",
doi = "10.1016/j.physc.2011.05.107",
language = "English",
volume = "471",
pages = "990--994",
journal = "Physica. C, Superconductivity",
issn = "0921-4534",
publisher = "Elsevier",
number = "21-22",

}

TY - JOUR

T1 - Lateral critical current density distributions degraded near edges of coated conductors through cutting processes and their influence on ac loss characteristics of power transmission cables

AU - Amemiya, N.

AU - Li, Q.

AU - Nishino, R.

AU - Takeuchi, K.

AU - Nakamura, T.

AU - Ohmatsu, K.

AU - Ohya, M.

AU - Maruyama, O.

AU - Okuma, T.

AU - Izumi, T.

PY - 2011/11

Y1 - 2011/11

N2 - The critical current density (Jc) near the edges of coated conductor could impact the ac loss characteristics of the cables comprising coated conductors. A wide coated conductor is often cut into narrower coated conductors in fabrication processes, and the Jc might degrade near the edges of coated conductors through the cutting process. This possible degradation of Jc could depend on cutting technology. Lateral Jc distributions of coated conductors cut by using a mechanical slitter as well as a laser were measured by the magnetic knife method. The measured coated conductors are fabricated by PLD process on clad type textured-metal substrates with reduced magnetism. Based on the degradation of Jc near the edges of coated conductors which was determined experimentally, ac losses of multi-layer cables as well as mono-layer cables were calculated numerically to evaluate the impact of the Jc degradation near the edges of coated conductors on the their ac loss characteristics.

AB - The critical current density (Jc) near the edges of coated conductor could impact the ac loss characteristics of the cables comprising coated conductors. A wide coated conductor is often cut into narrower coated conductors in fabrication processes, and the Jc might degrade near the edges of coated conductors through the cutting process. This possible degradation of Jc could depend on cutting technology. Lateral Jc distributions of coated conductors cut by using a mechanical slitter as well as a laser were measured by the magnetic knife method. The measured coated conductors are fabricated by PLD process on clad type textured-metal substrates with reduced magnetism. Based on the degradation of Jc near the edges of coated conductors which was determined experimentally, ac losses of multi-layer cables as well as mono-layer cables were calculated numerically to evaluate the impact of the Jc degradation near the edges of coated conductors on the their ac loss characteristics.

KW - AC loss

KW - coated conductor

KW - critical current density

KW - power transmission cable

KW - YBCO

U2 - 10.1016/j.physc.2011.05.107

DO - 10.1016/j.physc.2011.05.107

M3 - Article

VL - 471

SP - 990

EP - 994

JO - Physica. C, Superconductivity

JF - Physica. C, Superconductivity

SN - 0921-4534

IS - 21-22

ER -