2017 Fall Meeting

Presentation information

Oral presentation

III. Fission Energy Engineering » 306-1 Nuclear Safety Engineering, Nuclear Installation Safety, PSA

[2C11-16] PRA 3

Thu. Sep 14, 2017 2:45 PM - 4:25 PM Room C (Open Hall - B1 Block)

Chair:Sunghyon Jang (Univ. of Tokyo)

3:30 PM - 3:45 PM

[2C14] KK-6,7 project Internal Event Operating Level 1 PRA Model Sophistication Progress Report

(2)Identification Initiating Event and Estimation of Frequency

*Keisuke Maeda1, Ryouta Tomiyasu1, Natsuki Shiraishi1, Chikahiro Sato1, Hiroshi Abe1, Masanori Takeuchi2, Toshinobu Kita2, Yoshihiro Ooyama2 (1. TEPSYS, 2. TEPCO HD)

Keywords:PRA, Level 1, Initiating Event, LOCA, Fault Tree Analysis

文献調査、国内トラブル事例の調査、不適合分析やFMEA、LOCAの分析等を通じて、起因事象を選定し、各起因事象の発生頻度を評価した。サポート系喪失の起因事象については、フォールトツリー解析で評価した。