Optimizing rod movements method to realize 3-D power distribution control for load follow

被引：0
|
作者：
Liu, Wen-Feng [1 ]
Luo, Zheng-Pei [1 ]
Lu, Fu [1 ]
Wang, Ya-Qi [1 ]
机构：
[1] Inst. of Nuclear Energy Technol., Tsinghua Univ., Beijing 100084, China
来源：
Hedongli Gongcheng/Nuclear Power Engineering | 2001年 / 22卷 / 03期
关键词：
Loading - Nuclear reactors - Optimization - Three dimensional;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The load-following problem in nuclear reactor is traditionally solved by 1-D neutron flux model. It is not always appropriate, especially when control rods, which are strong neutron absorption bodies, maintain the power changing procedure by itself. A 3-D neutron flux model is used to perform a 3-D power distribution control over the whole load-following procedure. To make it effective and improve the calculating performance, the Harmonic synthesis method and Nodal method are combined in the load-following calculation for optimization. For this purpose, the control rods are managed according to the grouping-control strategy. From the calculation results on the 200 MW Heating Reactor, it can be seen that this rod-managing-strategy produces a better control result than other strategies, since it makes full use of the advantages of the 3-D power distribution control. For example, it causes the power peaking-factor to lessen about 4%.
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页码：193 / 198
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