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Reliability and availability issues in NET

R. Buende1989年Fusion Engineering and DesignIF 1.7出版社

AbstractFrom its beginning the design work for NET is accompanied by a specific reliability and availability (R&A) programme. A basic element of this programme is the so-called Failure Modes, Effects and Critically Analysis (FMECA) with is being performed for components as well as for the overall plant. The basic lines of this programme are described and the present status of the components analyses is given. The overall plant fault tree, incorporating the recently updated components R&A data, is evaluated by using a newly introduced numerical model. As a result the most effective combination of components reliability improvements is defined and an updated set of targets for components reliability is given.

日本語訳

設計作業の開始当初から、NETの設計には信頼性・稼働性(R&A)プログラムが併設されている。このプログラムの基本要素の一つが、いわゆる故障モード影響解析(FMECA)であり、これは構成要素だけでなくプラント全体に対しても実施される。本稿では、このプログラムの基本方針を述べ、構成要素解析の現状を示す。プラント全体のフォールトツリーは、最近更新された構成要素のR&Aデータを組み込み、新たに導入された数値モデルを用いて評価される。その結果、最も効果的な構成要素の信頼性向上の組み合わせが特定され、構成要素の信頼性目標値の更新版が提示される。

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