本文探索研究核电站更新改造新技术。基于系统综合和能的梯级利用的思路，设计构筑压水堆核电站与燃气轮机相结合的核能联合循环系统流程超结构，通过对其综合优化，提出两种可供选用的顶置燃气轮机核能联合循环总体技术方案，还结合实例进行模拟分析，揭示了它们的热力学特性，从而提出核电站联合循环技术更新改造(NRCC-Repowering)的新途径与新方案及其设计分析方法。
Nuclear combine cycle systems with topping Braytoncycle for existing nuclear power stations have been exploited inthis paper. Based on the principle of energy cascadesutilization and system synthesis, the system flow superstructureof the combine cycle has been schemed out and have been syntheticallyoptimized, then two kind of system schemes havebeen put forward. At the same time, by setting up mathematicalmodel with four independent variables for this system, we have pointedout the relationship between system performanceand independent variables. These promising results obtained herewill be valuable for NRCC-Repowering of existing nuclear power stations.
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