Dynamic Simulation-Based Case Study of Fusion on Small-Scale Electrical Grids

This study analyzed adverse effects of fusion plants on the stability of small-scale grids through simulation-based case studies. Major frequency fluctuations were observed in the event of a plant start-up and a sudden interruption of fusion electric output power, as represented by plasma disruption...

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Bibliographic Details
Published in:Fusion science and technology 2015-09, Vol.68 (2), p.341-345
Main Authors: Takeda, Shutaro, Konishi, Satoshi, Yamamoto, Yasushi, Kasada, Ryuta, Sakurai, Shigeki
Format: Article
Language:English
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Summary:This study analyzed adverse effects of fusion plants on the stability of small-scale grids through simulation-based case studies. Major frequency fluctuations were observed in the event of a plant start-up and a sudden interruption of fusion electric output power, as represented by plasma disruption, suggesting difficulties in fusion plant installation to majority of countries in the future. To mitigate the adverse effects, a fusion plant combined with an energy storage was proposed and evaluated. The results indicated that large energy storage like pumped-hydro storage could successfully reduce the frequency deviations to the acceptable range. An innovative offshore pumped-hydro storage, marine inverse dam, is also discussed in this paper.
ISSN:1536-1055
1943-7641
DOI:10.13182/FST15-106