强激光与粒子束2017，Vol.29Issue(1)：016020-1-016020-5,5.DOI:10.11884/HPLPB201729.160336
177堆芯24个月换料可行性研究
Feasibility study of 24-month fuel cycle for a 177-assembly core
位金锋 1许星星 1付学峰 1蔡德昌2
作者信息
- 1. 中广核研究院有限公司，广东 深圳 518031
- 2. 深圳市核电安全与仿真工程技术研究开发中心，广东 深圳 518031
- 折叠
摘要
Abstract
Compared with the 18-month refueling,24-month fuel cycle can reduce the times of overhaul,improve the load factor,and increase generating capacity.The core cycle length in a 177 assembly PWR meets 24-month refueling requirements by increasing the enrichment of the fresh fuel assemblies and the refueling fuel assembly components,considering the nominal and actual 24-month refueling.The economic evaluation was performed based on fuel management results,considering power genera-tion revenue and cost including fuel cycle cost,refueling and overhaul cost,spent fuel storage costs.Preliminary results show that the 177-assembly PWR with 88 fresh fuel assemblies enriched at 4.95% is possible to achieve nominal 24-month refueling,and the average discharge burnup of fuel is about 48 GWd/tU.The cycle length with 104 fuel assemblies can achieve the actual 24 re-fueling cycle length,and neutron parameters meet the relevant safety limit requirements.It is shown that the 24-month refueling in the 177 assembly PWR is feasible,and its economy in the case of the high load factor is approximately similar with that of 18 months fuel cycle.关键词
24 个月换料/燃料管理/177 堆芯/经济性分析/平衡循环Key words
24-month reloading/fuel management/177 assembly PWR/economic evaluation/equilibrium cycle分类
能源科技引用本文复制引用
位金锋,许星星,付学峰,蔡德昌..177堆芯24个月换料可行性研究[J].强激光与粒子束,2017,29(1):016020-1-016020-5,5.
