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東海再処理施設における非常用電源設備(無停電電源装置)の保全管理

Maintenance management of emergency power supply equipment (uninterruptible power supply) in Tokai reprocessing plant

西田 恭輔; 檜山 久夫; 柴田 里見; 岩崎 省悟; 伊波 慎一

Nishida, Kyosuke; Hiyama, Hisao; Shibata, Satomi; Iwasaki, Shogo; Inami, Shinichi

再処理施設の負荷の中には、使用済核燃料物質を処理する施設の特質として、放射線管理上重要な臨界モニタや放射線管理機器等、給電の中断が許されないものがあり、これらの機器は無停電電源装置を介して給電を行っている。本報告では、重要設備である無停電電源装置の機能を維持するために実施している定期的な点検,部品交換,装置更新等の状況について述べる。

Uninterruptible power supply systems are installed in the Tokai reprocessing plant in preparation for the emergency case that the commercial power supply is stopped by an accidental or intentional interruption in the supply of electricity. The uninterruptible power supply system particularly provides a temporary power source to the important devices for the radiation control of nuclear critical monitoring in the plant. Thus, the system is potentially important and essential for nuclear plants. The paper repots the current activities such as regular inspections, replacement of parts and system update, to maintain the function of uninterruptible power supply systems.

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