第17回
保全遺産第3号 原子力設備の検査用水中遊泳ビークル
著者:
土橋 健太郎,石橋 文彦,上野 聡一,(東芝ESS),今野 隆博,永島 良昭,(日立GE)
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Underwater inspection vehicles for nuclear power plants were selected as the third maintenance heritage. Hitachi- GE Nuclear Energy, Ltd and Toshiba Energy Systems & Solutions Corporation have been working on miniaturization and weight reduction of vehicles for many years, and enabling visual inspection of narrow space and bottom of the nuclear reactors, which were not accessible with the conventional hanging cameras. This article describes the developed vehicles by each company and their contribution to ma...
英字タイトル:
The Third Maintenance Heritage Underwater Inspection Vehicles for Nuclear Power Plants
第17回
日本保全学会の保全遺産 原子力発電所のピーニングによる 応力腐食割れ抑制技術
著者:
今野 隆博,(日立GE),石橋 文彦,(東芝ESS),沖村 浩司,(三菱重工)
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The SCC Protect Technology by Peening is registered in The Maintenance Heritage by JSM We introduce The SCC Protect Technology by Peening in NPS...
英字タイトル:
The SCC Protect Technology by Peening in NPS
第17回
重大事故(SA)等対処設備の運転中保全の考え方と課題
著者:
石橋 文彦,西 優弥,峰村 武宏,(東芝ESS)
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It is important to improve both plant safety and plant operability simultaneously in nuclear power plants (NPPs). “On-Line Maintenance (OLM)” is one of solutions for this issue. This paper proposes “Application rules of OLMs for systems & components against Severe Accidents” based on IRIDM (Integrated Risk Informed Decision Making). In this proposal, implementation of OLMs should be decided by CDF (Core Damage Frequency) and CFF (Containment Failure Frequency) under system configuration during OLM, and comp...
英字タイトル:
Application rules and future tasks of On-Line Maintenance for systems & components against Severe Accidents