Application of Nuclear Safety Principle for Reactor Protection System in QinShan Phase II NPP Extension Project
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摘要: 秦山核电厂二期扩建工程(3#、4#机组)反应堆保护系统的设计是在秦山核电厂二期工程(1#、2#机组)反应堆保护系统设计的基础上经过改进而成的。本文通过对一个经过论证且已实施的改进项和一个由业主提出但没有被采纳的改进项的分析,阐明了保护系统设计中核安全原则的应用:让反应堆更加安全,使电站在发生事故后能够将反应堆转入并保持在安全状态。如果对反应堆保护系统设计的修改能够在不影响核电站安全性的同时提高电站的经济性,那就是可行的。否则,无论其能带来多么可观的经济利益,都不宜采用。Abstract: The design of reactor protection system in Qinshan phase II NPP extension project(3# and 4#) is optimized based on that of QinShan phase II NPP project(1# and 2#).This paper describes two aspects,one is a realized improvement based on the research,and the other is a NPP owner’s suggestion that is not accepted.The application of nuclear safety principle for reactor protection system is introduced in this paper.
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Key words:
- Qinshan NPP /
- Reactor Protection System /
- Safety /
- Availability
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