The combination method of functional failure and device fault for passive safety system in nuclear power plant

被引：2

作者：

Yu, Yu ^{[1
]}

Liu, Guanyu ^{[1
]}

Zhang, Mingzhu ^{[1
]}

Niu, Fenglei ^{[1
]}

Guo, Zhangpeng ^{[1
]}

机构：

[1] North China Elect Power Univ, Beijing Key Lab Pass Safety Technol Nucl Energy, Sch Nucl Sci & Engn, Beijing, Peoples R China

来源：

ANNALS OF NUCLEAR ENERGY | 2022年 / 169卷

基金：

国家重点研发计划; 中国国家自然科学基金;

关键词：

Passive system reliability; Logical combination; Functional failure; System configuration; Fault Tree; SCREENING KEY PARAMETERS; SIMULATION;

D O I：

10.1016/j.anucene.2021.108945

中图分类号：

TL [原子能技术]; O571 [原子核物理学];

学科分类号：

0827 ; 082701 ;

摘要：

Functional failure is one of the important causes for passive system failure, and some methods are developed for functional failure evaluation based on the thermal-hydraulic (T-H) model. However, the system equipment configuration is the prerequisite of the T-H behavior analysis and setting in the model, and the system configuration and the functional failure have one-to-one logical relationship which should be considered in the passive system reliability evaluation. In this paper, a logical combination method is put forward based on Fault Tree (FT) tool, and the simplification way is also proposed to improve the calculation efficiency. The Passive Containment Cooling System (PCCS) in AP1000 is analyzed as an example, the result shows that the functional failure under the configuration of one or more of the three parallel lines in valve gallery are available is the main contributor to the system failure, for the plant site in a subtropical area. (C) 2021 Elsevier Ltd. All rights reserved.

引用

页数：7

共 18 条

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[2]

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[3]

Burgazzi L, 2016, Report for the Frame of LP1, Objective B (Safety Assessment and Accident Consequences Evaluation), Task B2-2 of PAR 2015

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