VVER-440 fuel cycle improvement: status and prospects

被引：0
|
作者：
A. A. Gagarinskiy
M. P. Lizorkin
V. N. Proselkov
E. G. Solovyeva
V. A. Adeev
机构：
[1] National Research Center Kurchatov Institute,
[2] Kola NPP,undefined
来源：
Atomic Energy | 2013年 / 114卷
关键词：
Fuel Element; Fuel Assembly; Fuel Cycle; Fuel Load; Fuel Pellet;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The results of development work on the base five-year fuel cycles with second-generation cassettes and average enrichment 4.87% for NPP with VVER-440 are presented. Such power units make it possible to increase thermal power while preserving an acceptable run time and RK-2+ cassettes with an enlarged uranium load for reactor operation at elevated thermal power 107, 109, and 112%. The results of trial commercial operation of third-generation fuel in the No. 4 unit at the Kola NPP in the 23rd load are presented. Increasing fuel enrichment above 5% is a promising direction for improving the VVER-440 fuel cycle. The results of development work on a full six-year fuel cycle with some cassettes kept for the seventh year of operation, which satisfies the operating conditions at elevated thermal power using RK-2+ fuel assemblies with >5% enrichment, are presented.
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页码：94 / 101
页数：7
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