Status of 275kV REBCO HTS Cable Development in the NEDO Project

A 275kV 3 kA high temperature superconducting cable (HTS cable), which could be used as a backbone power line in the future, was developed in the NEDO project called M-PACC. One of the most important developments of a high voltage HTS cable was the high voltage insulation technology. A design guidel...

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Bibliographic Details
Published in:Physics procedia 2014, Vol.58, p.310-313
Main Authors: Mukoyama, Shinichi, Yagi, Masashi, Okuma, Takeshi, Maruyama, Osamu, Shiohara, Yuu, Hayakawa, Naoki, Mizutani, Teruyoshi
Format: Article
Language:English
Subjects:
Electrical insulation
High-Tc superconductivety
REBCO
Superconducting cable
Voltage test
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Summary:A 275kV 3 kA high temperature superconducting cable (HTS cable), which could be used as a backbone power line in the future, was developed in the NEDO project called M-PACC. One of the most important developments of a high voltage HTS cable was the high voltage insulation technology. A design guideline and a test specification that was necessary to design, product and demonstrate of a 275kV, 3 kA HTS cable have been studied by obtaining the various experimental data such as AC withstand voltage, impulse withstand voltage, partial discharge inception stress, and the V-t characteristics of the insulation, on the basis of the Japan Electrical Standards (JEC) and the International Electrotechnical Commission (IEC). Moreover, the 275kV, 3 kA HTS cable with a length of 30 m was demonstrated under a long-term voltage and current loading test.
ISSN:1875-3892
1875-3892
DOI:10.1016/j.phpro.2014.09.077