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Impact of safety design enhancements on construction cost of the advanced sodium loop fast reactor in Japan

日本の先進ナトリウム冷却高速炉における安全強化対策の建設費への影響

加藤 篤志; 向井田 恭子

Kato, Atsushi; Mukaida, Kyoko

革新技術に採用による建設費の削減を図った日本の先進ナトリウム冷却高速炉について、東電福島事故後の安全対策強化を図った概念を構築するとともに、その建設費への影響を評価したものである。加えて、商用フェーズにおける建設費について、他の公開文献で得られる実績値や評価地を元に、安全対策による建設品増加を考慮しても、軽水炉に比肩する経済性を確保できる可能性があることを示すものである。

Improvement of economic competitiveness is a part of key requirement in the project. By adopting innovative technologies to reduce plant commodities, JSFR could achieve economic competitiveness compared with LWR. After the Fukushima-Dai-Ichi nuclear power plants accident, safety enhancement measures were added on LWR in Japan mainly against external hazards. In parallel, Safety Design Criteria and Guidelines (SDC/SDG) for SFR were constructed in the framework of Generation IV international forum. Design studies of JSFR were carried out responding to GIF SDC/SDG and lessons learn from the Fukushima accident. This reports an impact of recent safety design enhancements on JSFR construction cost. Safety design enhancement adopted in JSFR.

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