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ST446 - Standardization of Test Methods for Practical Superconducting Wires

Standardization of Test Methods for Practical Superconducting Wires
 
Kozo Osamura
 
Research Institute for Applied Sciences
Sakyo-ku, Tanaka Ohi-cho 49, Kyoto 606-8202 Japan
 
Abstract — Growth of the worldwide market of superconductivity applications, leads inevitably to products involving superconductivity (SC) being regulated by international standards. As the first priority, the general guidance for practical SC wires should be provided, which delineates the direction for a series of successive detailed standards. Some such standards have been already approved by the International Electrotechnical Commission (IEC). The working group WG13 of IEC-TC90 is engaged in the development of such international standards and prepared a standard on general characteristics of practical SC wires, separated into two subdocuments: the description of general features of practical SC wires and the general guidance for measurement methods and test procedures for properties (attributes) critical to users. This document was most recently approved as the IEC IS 61788-21:2015, Edition 1. Part of this paper is devoted to an overview of that document. In closing, issues critical to promoting standardization of the practical SC wires are pointed out.
 
Keywords (Index Terms) – International standard, practical superconducting wire, test method, critical current.
 
IEEE/CSC & ESAS SUPERCONDUCTIVITY NEWS FORUM (global edition), July 2015. Received May 7, 2015; Accepted June 5, 2015. Reference ST446; Category 5.