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Prospects for economic fusion electricity

I. Cook, R.L. Miller, D.J. Ward2002年Fusion Engineering and DesignIF 1.7出版社

AbstractExtensive studies of fusion economics have been performed in the last decade within the European Union and the United States. Over the same period major advances have been made in the physics and technology of fusion. This paper summarizes the prospects for fusion making an economically attractive contribution to the future energy mix. With modest physics optimization and anticipated near-term materials, the internal costs of fusion electricity would be about 50% more expensive than electricity from fossil fuels (not counting the costs of pollution abatement) and roughly comparable to renewables. Unlike renewables, fusion provides firm power. The use of advanced materials, technology and physics leads to an internal cost of fusion electricity approaching the internal cost from fission or fossil. Fusion has small external costs, along with wind, about an order of magnitude lower than fossil. Energy scenarios show that fusion could contribute significantly to large-scale electricity production during the second half of the century; the overall cost of fusion electricity is likely to be comparable with that from other environmentally responsible sources of electricity generation.

日本語訳

過去10年間、欧州連合と米国において核融合の経済性に関する広範な研究が行われてきた。同じ期間に、核融合の物理学と技術においても大きな進展が見られた。本論文は、将来のエネルギー構成において核融合が経済的に魅力的な貢献をする見通しについて要約するものである。適度な物理学的最適化と予想される近未来の材料を用いれば、核融合発電の内部コストは、化石燃料による発電(汚染防止費用を除く)よりも約50%高くなり、再生可能エネルギーとほぼ同等になるであろう。再生可能エネルギーとは異なり、核融合は安定電源(ベースロード電源)を提供する。先進的な材料、技術、物理学の活用により、核融合発電の内部コストは、核分裂発電や化石燃料発電の内部コストに近づく。核融合の外部コストは、風力発電と同様に小さく、化石燃料の約1桁低い水準である。エネルギーシナリオによれば、核融合は今世紀後半において大規模な電力生産に大きく貢献する可能性があり、核融合発電の総コストは、他の環境に配慮した発電源によるコストと同等になる見込みである。

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