Technical Report No.1290

No. 1290

Superconducting Electric Power Apparatus and Systems toward their High Performance and Multifunctions

Investing R&D Committee on Superconducting Electric Power Apparatus and Systems toward their High Performance and Multifunctions

Keyword :

Superconducting fault current limiter, Superconducting cable, Superconducting transformer, Superconducting wire, Electrical insulation and Refrigerator

Recently, many demonstration projects of high temperature superconducting (HTS) electric power apparatus and systems are undergoing in Japan as well as in the world. For example, HTS cable project in Yokohama and M-PACC project are being conducted by NEDO in Japan. In addition, a lot of projects, mainly for the verification tests in the grid, are also conducted in USA, Europe, China, Korea, etc., toward the commercialization of HTS power applications in the near future.
In consideration of these situations, this technical committee has just surveyed R&D progress of the HTS power applications and researched their technical subjects, focusing on the HTS cables and transformers as main apparatus of electric power transmission system, and fault current limiters (FCL) expected as control devices.
At the same time, HTS cables and transformers with a FCL function are now being developed as one of new R&D trends on HTS power applications. Such multifunctional HTS power apparatus can be realized only by HTS technology with zero resistance in the steady operating condition and will contribute to propose a novel application scheme of HTS power apparatus and systems. The committee has also surveyed such multifunctional HTS power applications.
This report summarizes the research results in the committee and consists of the following items; (1) Fundamental common technology (HTS wires, AC loss, electrical insulation and cooling system), Recent progress on (2) HTS FCL, (3) HTS cables, (4) HTS transformers and (5) Toward high performance and multifunctional of HTS power applications.