Risks Analysis and Countermeasures in Natural Circulation Test of CAP1400 Passive Residual Heat Removal System

被引：0

作者：

Li W. ^{[1
,2
]}

Li P. ^{[1
,2
]}

Li W. ^{[1
,2
]}

Kong X. ^{[1
,2
]}

Huang Y. ^{[1
,2
]}

机构：

[1] State Nuclear Power Engineering Company, Shanghai

[2] Shanghai Nuclear Engineering Research and Design Institute Co., Ltd., Shanghai

来源：

Hedongli Gongcheng/Nuclear Power Engineering | 2021年 / 42卷 / 01期

关键词：

CAP1400; Counter measures; Natural circulation; Passive residual heat removal heat system(PRHR); Risk analysis;

D O I：

10.13832/j.jnpe.2021.01.0167

中图分类号：

学科分类号：

摘要：

The natural circulation test of CAP1400 passive residual heat removal heat exchanger system(PRHR)is one of the first plant only tests and the major plant transient tests during the commissioning. During the natural circulation test, the temperature, pressure, liquid level and other parameters of the reactor primary circuit change dramatically, which increase the test risk and propose higher requirements for the operation control of the unit. Based on the AP1000 commissioning test practice, it is proposed to perform the PRHR natural circulation test using real decay heat generated following the reactor operation from the perspective of reducing test risk. At the same time, it analyzes the safety risks caused by the drastic changes in the parameters of the primary loop pressure, temperature, pressurizer level and the external source range detectors of the reactor during the test, and formulates corresponding countermeasures to provide the strong support for the safety implementation of subsequent CAP1400 PRHR natural tests. © 2021, Editorial Board of Journal of Nuclear Power Engineering. All right reserved.

引用

页码：167 / 171

页数：4