Analysis of Common Cause Failure for Redundancy Pump Group in Nuclear Reactor
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摘要: 应用共因失效的相关方法,根据设备的事件分类和影响向量评估,并结合Bayes估计,定量求出共因模型的相关参数;同时考虑止回阀的特殊作用,并应用GO法求出系统启动和运行期间的故障概率。结果表明,共因失效在冗余系统的可靠性分析中起着重要作用。Abstract: The paper applies the interrelated method of common cause failure to work out the parameters of common cause model with Bayesian estimate based on the classification and impact vector assessment of events involving component, and considering special function of check valve, and applies GO Methodology to work out the fault probabilities in start-up and operation process of the system. Its result shows that the common cause failure is very important in the reliability analysis for the redundancy system.
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Key words:
- Common cause failure /
- GO methodology /
- Reliability Analysis /
- Redundancy pump group /
- Nuclear reactor
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