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利用数学模型对秦山核电厂厂用供电系统动态和在电源故障时主泵惰走进行了分析研究。为了简化分析和计算,在建立各类设备的数学模型时,只需正确地模拟那些对运行状态影响较大的因素,忽略一些次要的因素。通过秦山核电厂在电源事故情况下,厂用母线电压、频率的动态过程研究和主泵惰走的分析研究,阐述了这一问题分析研究的方法,给出计算结果并通过动态模拟试验进行验证。本文分析计算的结果可作为核电厂安全分析的支持性材料。
The mathematical model was used to analyze the dynamic state of power supply system of Qinshan NPP and the main pump lag during power failure. In order to simplify the analysis and calculation, we only need to correctly simulate those factors that have a great influence on the operating status and neglect some minor factors when establishing the mathematical models of various devices. Through the Qinshan Nuclear Power Plant in the case of power supply accidents, plant bus voltage and frequency of the dynamic process of research and the main pump lag analysis, expounded the problem analysis and research methods, the results are given and verified by dynamic simulation test . The results of this paper can be used as support materials for nuclear power plant safety analysis.