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EPRI Proprietary Licensed Material A conference on HTS SMES was held in Japan in December 1998. The proceedings are in Japanese. Summaries of some of the papers are given here. I Masahiro Yamamoto provided an overview of the ISTEC/SMES Project, The SMES system can store energy as electricity and has a highly efficient energy storage capability. Moreover, it allows high-speed input and output of energy, which means both real and reactive power can be controlled independently. Other features determine that it has high capabilities, not only in energy storage capacity aspects (kWh), but also in aspects of instantaneous output of electric power. It is anticipated that the SMES system will fulfill a significant role in future electric power systems in terms of load-leveling of power, load change compensation, improving system stabilization, etc. Due to these factors, the Japanese government, electric power companies, manufacturers, and research groups concerned with superconducting energy storage are engaged in investigation, research, and conceptual design work on its utility. The Agency of Natural Resources and Energy, Ministry of International Trade and Industry, has taken the first step toward full-scale development of SMES in Japan. It is conducting a project 'Study of Factors and Technology Development for Superconducting Electric Power Storage System' during fiscal years 1991-1998 to establish the necessary technological basis for building a small-scale SMES pilot plant. As shown in Table IX, ISTEC is consigned to implement this with the participation of electric power companies and manufacturers. In addition, in order to promote effective research, an advisory committee of experts in the field has been set up to examine and review the content of the studies. SMES Page 33
EPRI Proprietary Licensed Material Table IX Implementation SMES Structure/Organization in Japan Technical area Superconducting coil Quench protection AC to DC converter equipment Persistent current switch and direct current circuit breaker Optimal system research Utility system effects of SMES operation Testing and evaluating HTS materials Coil testing Responsible Entity Chubu Electric Power Tohoku Electric Power Dengen Kaihatsu (Electric Utility Development) Co.: Dengen Kaihatsu (Electric Utility Development) Co.: Kyushu Electric Power Central Research Institute of the Electric Power Industry Osaka Science and Technology Center—New Materials Center Toshiba SMES Page 34
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