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JRR-3における計測制御装置の保全活動

Maintenance activities of instrumentation control device at JRR-3

井坂 浩二; 照沼 憲明; 大内 諭; 大木 恵一; 諏訪 昌幸 

Isaka, Koji; Terunuma, Noriaki; Ouchi, Satoshi; Oki, Keiichi; Suwa, Masayuki

計測制御装置はJRR-3改造時の設置より18年以上が経過し、原子炉の安全安定運転を確保するために機器の更新を含めた保全活動が必要不可欠である。今回、JRR-3において行われている計測制御装置の保全内容及び今後の保全活動について述べる。

As the modified JRR-3 has been operated for 18 years, it is necessary to be maintained for keeping the safe and stable operation. The review of maintenance activity is constantly performed for the step-by-step update of facilities and the improvement of the maintenance method and so on. Our investigation of the maintenance activity about the instrumentation and control device of modified JRR-3 is presented.

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