Enhancement of control rod drive mechanism seating position detector for JRR-3
大内 諭; 車田 修; 上石 瑛伍; 佐藤 正幸; 池亀 吉則; 和田 茂
Ouchi, Satoshi; Kurumada, Osamu; Kamiishi, Eigo; Sato, Masayuki; Ikekame, Yoshinori; Wada, Shigeru
The purpose of the control rod drive mechanism seating position detector for JRR-3 is one of a method for confirming the shutdown condition of the reactor. The detector has been utilizing more than 25 years with maintenance regularly. However, it is occurred some trouble recently. Moreover, the detector has already been end of manufacture, and even in the successor detector, it unsuitable for the control rod drive mechanism of JRR-3 was confirmed. Therefore, it was necessary to select the adequate detector to the control rod drive mechanism of JRR-3. Accordingly, we built a test device with the aim of verify several detectors for integrity and function. At the time of the test for performance confirmation, it was occurred unexpected problems. Nevertheless, we devise improvement of the problems and took measures. Thus we were able to collect adequate detector for JRR-3 and replace to enhanced detector. This paper reports the Enhanced of Control rod drive mechanism seat position detector.
使用言語 : Japanese
報告書番号 : JAEA-Technology 2016-015
ページ数 : 42 Pages
発行年月 : 2016/06
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キーワード : no keyword
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受委託・共同研究相手機関 :
登録番号 : TN20160015
抄録集掲載番号 : 44001173
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