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Report No.

System analysis for HTTR-GT/H$$_{2}$$ plant; Safety analysis of HTTR for coupling helium gas turbine and H$$_{2}$$ plant

Sato, Hiroyuki; Yan, X.; Ohashi, Hirofumi

JAEA initiated a nuclear cogeneration demonstration project with helium gas turbine power generation and thermochemical hydrogen production utilizing the HTTR. This study carries out system analysis for the HTTR gas turbine hydrogen cogeneration test plant. The evaluation was conducted for the events newly identified corresponding to the coupling of helium gas turbine and hydrogen production plant to the HTTR. The results showed that loss of load event does not have impact on temperature of fuel and reactor coolant pressure boundary. In addition, reactor coolant pressure does not exceed the evaluation criteria. Furthermore, it was shown that reactor operation can be maintained against temperature transients induced by abnormal events in hydrogen production plant.



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