Flowmaster软件在AP 1000启动给水系统瞬态运行中的应用

华电技术 ›› 2012, Vol. 34 ›› Issue (2): 31-34.

Flowmaster软件在AP 1000启动给水系统瞬态运行中的应用

罗峰，周涛，贾瑞宣

华北电力大学核热工安全与标准化研究所，北京102206

收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:2012-02-25 发布日期:2012-02-25

Application of software Flowmaster in nonsteadystate operation of startup feedwater system of AP 1000

LUO Feng, ZHOU Tao, JIA Ruixuan

Institute of Nuclear Thermal Safety and Standardization，North China Electric Power University，Beijing 102206, China

Received:1900-01-01 Revised:1900-01-01 Online:2012-02-25 Published:2012-02-25

摘要/Abstract

摘要：

针对AP 1000启动给水系统的配置情况，利用一维流体仿真软件Flowmaster建立了供水系统模型。通过开展瞬态分析,在AP 1000在丧失正常电源的瞬态下，1台启动给水泵由

备用柴油发电机组供电而正常运行时，突然停转后的仿真结果。对比不同的配置结果，提出在控制阀下游设置进气阀能减小流量的波动。在安装蓄压箱的情况下，能减小流量的波

动，同时不会出现压力骤升的情况，能有效防止气穴的产生。依据计算结果，确立瞬态分析特性的控制方法，减小流量的波动并可控制空穴，AP 1000启动给水系统就能更加安全、

稳定地运行。

关键词: AP, 1000启动给水系统, Flowmaster软件, 瞬态分析, 空穴

Abstract:

Aiming at the configuration of the startup waterfeed system of AP 1000, using the onedimensional fluid analysis software Flowmaster, a water

feed system model was established. When the normal power supply of AP 1000 is outage, one startup waterfeed pump will be driven by standby diesel generator

set and will operate normally. Suppose that the pump stops suddenly, based on the transient analysis, the nonsteadystate operation of the waterfeed

system was simulated, and the simulation result was obtained. According to the comparison of the simulation results of different configurations, it was put

forward that to install an air intake valve in backward position of the control valve can decrease the fluctuation of the flow. When the gas storage was

installed, the fluctuation of the flow can be decreased, and the pressure rapidly increase will not occur, so the cavitations can be prevented effectively.

According to the calculation result, the control method of the transient characteristics can be established; the fluctuation of the flow can be decreased and

the cavitations can be controlled; so the startup waterfeed system of AP 1000 will operate more safely and stably.

Key words: startup feed-water system of AP 1000, software Flowmaster, transient analysis, cavitation

罗峰;周涛;贾瑞宣. Flowmaster软件在AP 1000启动给水系统瞬态运行中的应用[J]. 华电技术, 2012, 34(2): 31-34.

LUO Feng;ZHOU Tao;JIA Ruixuan. Application of software Flowmaster in nonsteadystate operation of startup feedwater system of AP 1000[J]. Huadian Technology, 2012, 34(2): 31-34.

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