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首页> 外文会议>Material Degradation and Related Managerial Issues at Nuclear Power Plants >OVERVIEW OF REGULATORY ASPECTS OF AGING ISSUES OF NUCLEAR POWER PLANTS IN JAPAN
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OVERVIEW OF REGULATORY ASPECTS OF AGING ISSUES OF NUCLEAR POWER PLANTS IN JAPAN

机译：日本核电厂老龄化问题的监管方面概述

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As of January 2005, approximately half of 53 units of BWRs and PWRs have been in commercial service more than 20 years, and 7 units over 30 years in Japan. The Nuclear Safety Commission and the Nuclear and Industrial Safety Agency are deeply concerned with various aging effects threatening safety assurance of the nuclear power plants, and are proactively working on the aging issues from the regulatory standpoints. This overview paper of regulatory aspects of the aging issues covers the following topics: Aging effects observed in some recent cases; Roles and responsibilities shared among relevant organizations; -Topical regulatory activities as for revision of laws and regulations; Development of technical codes and standards; and Incorporation in the prioritized nuclear safety research program. Japan is aware that (1) Aging issues are of importance for safety assurance of NPPs on the background of increasing aged plants and aging effects observed in the recent events and cases, (2) Upgrading of regulatory activities is in progress in establishing legislation and conducting reviews and inspections to ensure operator's appropriate aging countermeasures, and (3) One of the most and effective measures responding to aging issues is to share experiences and knowledge on aging problems among generations, organizations and countries. International engagement on the issues should be most encouraged.
机译：截至2005年1月，BWR和PWR的53台机组中，约有一半已经投入商业运营20年以上，而在日本，则有30台已经投入运行30年以上。核安全委员会和核工业安全局对威胁核电厂安全保障的各种老化影响深表关切，并从监管角度积极处理老化问题。有关老化问题的法规方面的概述文件涵盖以下主题：在最近的一些案例中观察到的老化效应；相关组织之间的角色和责任分担； -有关法规修订的主要法规活动；制定技术规范和标准；并纳入优先的核安全研究计划。日本意识到，（1）老龄化问题对核电厂的安全保障至关重要，因为老龄化植物的增加和最近发生的事件和案例中所观察到的衰老影响；（2）监管活动的升级正在建立立法和开展工作中。进行检查和检查，以确保运营商采取适当的老化对策；（3）解决老化问题的最有效措施之一是在各代，组织和国家之间共享有关老化问题的经验和知识。应最鼓励在这些问题上进行国际参与。

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