Reactor Reloading and Start-up without Neutron Source in Qinshan NPP
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摘要: 秦山核电厂的第5燃料循环和第11燃料循环,分别由于中子源强度衰减过多和没有外加的次级中子源,在反应堆装料和启动过程中存在堆外核测仪表的部分监测盲区。介绍了我国法规的相关要求以及秦山核电厂实现无源启动所采取的应对措施,结果表明,无外加中子源时反应堆启动的安全性能够得到保证。Abstract: In the 5th and 11th fuel cycle of Qinshan NPP,the core was loaded with an over decayed neutron source,and without irradiation activated neutron source respectively,which caused a blind area of ex-core nuclear detecting instrumentation.This paper introduces the Chinese regulatory requirements and the corresponding measurements which Qinshan NPP took to apply the reactor start-up without neutron source,and shows that the safety of reactor start-up without neutron source can be ensured.
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Key words:
- Reactor /
- Start-up without neutron source /
- Loading /
- Criticality
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