Dynamic simulation-based case study of fusion on small-scale electrical grids

Shutaro Takeda; Satoshi Konishi; Yasushi Yamamoto; Ryuta Kasada; Shigeki Sakurai

doi:10.13182/FST15-106

Dynamic simulation-based case study of fusion on small-scale electrical grids

Shutaro Takeda, Satoshi Konishi, Yasushi Yamamoto, Ryuta Kasada, Shigeki Sakurai

IMR - Materials Design Division

Research output: Chapter in Book/Report/Conference proceeding › Chapter › peer-review

6 Citations (Scopus)

Abstract

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.

Original language	English
Title of host publication	Fusion Science and Technology
Publisher	American Nuclear Society
Pages	341-345
Number of pages	5
Volume	68
Edition	2
ISBN (Electronic)	9781510811836
DOIs	https://doi.org/10.13182/FST15-106
Publication status	Published - 2015 Sept 1

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10.13182/FST15-106

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AU - Takeda, Shutaro

AU - Konishi, Satoshi

AU - Yamamoto, Yasushi

AU - Kasada, Ryuta

AU - Sakurai, Shigeki

PY - 2015/9/1

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N2 - 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.

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Dynamic simulation-based case study of fusion on small-scale electrical grids

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