E217 小型高速炉4Sの開発 : 大口径高温電磁ポンプの開発研究(原子力技術開発の概観と小型炉,OS8 軽水炉・新型炉・核燃料サイクル)

概要

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The small fast reactor 4S adopt the high temperature electromagnetic pump (EMP) as a primary main pump, which is superior in reliability, safety and economy. The studies about 4S EMP are carried out for the realization of the free maintenance during 4S operating time and the backup power system ensuring flow coast down at the reactor trip. The 4S EMP involves large dimension coil and short height stator in comparison with existing EMPs. In 2008, the 4S prototype EMP was manufactured as same dimension as practical one to confirm manufacturability. After manufactured, the magnetic flux density was measured. In the result, analytic value almost agreed with actual measurement value, and the electromagnetic characteristic was confirmed as design at room temperature and atmosphere.
2009-06-28