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目前,世界上核电厂有221台机组超过20年,81台机组超过30年。进入21世纪以来,随着核电厂运行安全性的提高以及出于经济性方面的考虑,越来越多的核电厂在到达设计运行寿期或运行执照许可运行期限后,仍希望或已经在通过核安全监管当局评审的基础上继续保持核电厂的运行,核都非常重视电厂的寿期管理。2007年10月15～18日在上海举行的第二届国际核电厂寿期管理大会再一次吸引了人们关注的目光。世界各国核电厂专家齐聚上海,共同为核电厂“延年益寿”献计献策。我国目前投运的机组最长的才16年。但在寿期管理方面已做了许多探索。本刊特别介绍我国核电厂寿期管理现状及做法,以及国际上寿期管理的可行做法,以期对核电厂的延寿有所启示。
At present, there are 221 units in the world’s nuclear power plants for more than 20 years and 81 units have been in operation for more than 30 years. Since the beginning of the 21st century, with the improvement of the operational safety of nuclear power plants and due to economic considerations, more and more nuclear power plants still hope or have passed after they have reached the design operating life or the operating license’s permitted operating period Nuclear safety regulatory authority based on the review of the nuclear power plant to continue operation, the nuclear power plant attaches great importance to the life-cycle management. The Second International Conference on Life Cycle Management of Nuclear Power Plants, held in Shanghai from October 15 to October 18, 2007, once again attracted the attention of people. Nuclear power plant experts from all over the world gathered in Shanghai to jointly offer advice and suggestions on nuclear power plant “longevity.” At present, the longest unit of our country is 16 years old. But much has been done in life management. In particular, this publication introduces the status quo and practices of the life management of nuclear power plants in our country, as well as the feasible practices of international life management, with a view to enlightening the life extension of nuclear power plants.