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小型モジュール炉(SMR)開発の動向と原子力機構における新型炉開発の取組

Development trends of small modular reactors and approaches of Japan Atomic Energy Agency to advanced reactor development

松場 賢一  ; 篠原 正憲 ; 豊岡 淳一  ; 稲葉 良知  ; 角田 淳弥 

Matsuba, Kenichi; Shinohara, Masanori; Toyooka, Junichi; Inaba, Yoshitomo; Sumita, Junya

世界的な「脱炭素化」の潮流において、日本は2050年カーボンニュートラルの実現に向けて、原子力を含めたあらゆる選択肢の追求を方針にしている。その有望な選択肢の一つである小型モジュール炉(SMR: Small Modular Reactor)を含む新型炉開発を推進することは、原子力に対する社会要請に応えるうえでも重要である。本稿では、国内外のSMR開発動向を解説するとともに、SMRを含む新型炉開発に係る日本原子力研究開発機構の取組みを紹介し、おわりにSMRを含む新型炉の国内導入に向けた今後の展望を述べる。

In the global trend toward decarbonization, Japan has a policy to pursue all options, including nuclear power, to achieve carbon neutrality by 2050. In order to meet the public requirements for nuclear power, it is important to promote the development of advanced reactors, including the Small Modular Reactor (SMR), as one of the promising options. This article describes the domestic and international trends of SMR development, introduces the activities of Japan Atomic Energy Agency (JAEA) for the development of advanced reactors including SMRs, and concludes with the future prospect for the introduction of advanced reactor including SMRs in Japan.

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