Superconductivity Superconducting wires. Categories of practical superconducting wires. General characteristics and guidance

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

31-08-2014

Publisher

British Standards Institution

FOREWORD
INTRODUCTION
1 Scope
2 Normative references
3 Terms and definitions
4 Categories of practical SC wiresc
5 Technical sheet assisting in the specification and
   the use of practical SC wiresc
6 Class of practical SC wires
7 Product parameters
8 Joints
9 Appearance
10 Quality assurance
11 Test methods
12 Inspection
13 Shipping label
Annex A (informative) - Structural characteristics of
        practical SC wires
Annex B (informative) - Classes of practical SC wires
Annex C (informative) - Technical information assisting
        in the specification and use of practical SC wires
Bibliography

Gives general characteristics and guidance on practical SC wires.

This part of IEC 61788, which is a technical report, provides general characteristics and guidance on practical SC wires. Particular focus is given to the characteristics that are different from those of ordinary copper and aluminium wires, since practical SC wires have appearance nearly identical to common electrical wires and can be used interchangeably with them. On the other hand, the practical SC wires are typically composite materials consisting of several functional materials as described in Annex A.

Many forms of SC wires are described in Section 4 of IEC 60050-815, including single core wires, multi-filamentary superconducting wires, composite superconductors and coated conductors. These wires as well as others that might be described as monolithic composite superconducting wires will be the focus in this technical report. A wire is considered as being practical if it can be procured in sufficiently continuous lengths under ordinary commercial transactions to build devices.

Conductors made of multiple wires, such as cables, for example, are not included in this scope.

Since this report only addresses the characteristics of practical wires, other wires such as prototype, test sample and developmental wires are not included in the scope of this technical report.

Committee	W/-
DocumentType	Standard
Pages	24
PublisherName	British Standards Institution
Status	Current

Standards	Relationship
IEC TR 61788-20:2014	Identical

IEC 61788-10:2006	Superconductivity - Part 10: Critical temperature measurement - Critical temperature of composite superconductors by a resistance method
IEC 61788-1:2006	Superconductivity - Part 1: Critical current measurement - DC critical current of Nb-Ti composite superconductors
IEC 61788-11:2011	Superconductivity - Part 11: Residual resistance ratio measurement - Residual resistance ratio of Nb3Sn composite superconductors
IEC 61788-3:2006	Superconductivity - Part 3: Critical current measurement - DC critical current of Ag- and/or Ag alloy-sheathed Bi-2212 and Bi-2223 oxide superconductors
IEC 61788-18:2013	Superconductivity - Part 18: Mechanical properties measurement - Room temperature tensile test of Ag- and/or Ag alloy-sheathed Bi-2223 and Bi-2212 composite superconductors
IEC 61788-6:2011	Superconductivity - Part 6: Mechanical properties measurement - Room temperature tensile test of Cu/Nb-Ti composite superconductors
IEC 61788-4:2016	Superconductivity - Residual resistance ratio measurement - Residual resistance ratio of Nb-Ti and Nb<sub>3</sub>Sn composite superconductors
IEC 61788-8:2010	Superconductivity - Part 8: AC loss measurements - Total AC loss measurement of round superconducting wires exposed to a transverse alternating magnetic field at liquid helium temperature by a pickup coil method
IEC 61788-13:2012	Superconductivity - Part 13: AC loss measurements - Magnetometer methods for hysteresis loss in superconducting multifilamentary composites
IEC 61788-12:2013	Superconductivity - Part 12: Matrix to superconductor volume ratio measurement - Copper to non-copper volume ratio of Nb<sub>3</sub>Sn composite superconducting wires
IEC 61788-19:2013	Superconductivity - Part 19: Mechanical properties measurement - Room temperature tensile test of reacted Nb3Sn composite superconductors
IEC 61788-5:2013	Superconductivity - Part 5: Matrix to superconductor volume ratio measurement - Copper to superconductor volume ratio of Cu/Nb-Ti composite superconducting wires
IEC 61788-2:2006	Superconductivity - Part 2: Critical current measurement - DC critical current of Nb3Sn composite superconductors

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PD IEC/TR 61788-20:2014

Superconductivity Superconducting wires. Categories of practical superconducting wires. General characteristics and guidance

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