低温工学
Online ISSN : 1880-0408
Print ISSN : 0389-2441
ISSN-L : 0389-2441
SMESコスト低減の必要性
堤 克哉辰田 昌功大崎 博之
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2002 年 37 巻 3 号 p. 91-97

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In the field of applying superconducting technology to electric power, superconducting magnetic energy storage (SMES) features highly efficient electric power storage as well as high-speed energy storage and output in comparison with conventional energy storage equipment. With superior qualities of this kind, SMES is expected to bring about a wide range of benefits, such as a stabilization of the power system, maintenance of power quality, and power load leveling. However, extensive R & D for SMES is required to achieve further cost reductions because many issues are yet to be resolved with respect to cost-performance and practicality. Given this situation, a 5-year national government project was started in 1999, focused on the development of cost reductions for small-scale SMES associated with power system control to meet market needs and soon become feasible. This paper outlines the ongoing R & D under the national governmental project, the need for cost reductions, and the study results of marginal costs, which can accommodate SMES costperformance.

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