ICONE11-36180 CURRENT PRODUCTS AND FUTURE PLAN OF REGULATORY RESEARCH FOR RISK-INFORMED REGULATION IN KOREA

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概要

• 論文の詳細を見る

• The first phase of a regulatory research project for risk-informed regulation (RIR) and applications (RIA) was finished in March of 2002. Various results that could be useful for preparing Korean RIR system have been developed. One of the remarkable outputs is development of reactor safety goals and acceptance criteria for RIR and RIA in Korea. The Safety Goal has a 4-tier hierarchical structure and each tier has specified goals classified for their usage. Regulatory review guides for probabilistic safety assessment (PSA) including level-1,level-2 and low power and shutdown PSA have been updated by reflecting new information obtained from not only the overseas documents but also experience and insights from regulatory review in Korea. In addition, draft regulatory guides for risk-informed in-service inspection, in-service testing, importance ranking of motor-operated valves, and AOT/STI change of Technical Specifications have been developed for preparing ongoing and future licensing work. Risk-based inspection guides with inspection items selected from a viewpoint of risk importance have been suggested for Korean standard NPPs as well. In the second phase of a research project (April of 2002 to March of 2005), two regulatory research projects on RIR were initiated. One is a study on institutionalization of risk-informed and performance-based regulation. Main topics of this project are evaluation of benefit and characteristics of RIR, development of optimized Korean RIR model, impact analysis for the change of current regulation framework, and suggestion techniques of risk information to the significance determination of plant performance indicators and inspection findings. It is expected that a concrete scheme and detailed regulatory techniques for embodiment of RIR system in Korea will be produced through the second phase projects.

• 一般社団法人日本機械学会の論文

著者

• Lee Chang

  Korea Institute Of Machinary & Materials

• KIM Woong

  Korea Atomic Energy Research Institute

• Kim Woong

  Korea Institute Of Nuclear Safety

• Sung Key

  Korea Institute of Nuclear Safety

• Kim Hho

  Korea Institute of Nuclear Safety

• Lee Chang

  Korea Institute Of Nuclear Safety

• Lee Chang

  Korea Atomic Energy Research Institute

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• ICONE11-36180 CURRENT PRODUCTS AND FUTURE PLAN OF REGULATORY RESEARCH FOR RISK-INFORMED REGULATION IN KOREA

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