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本文全面分析了备用复式系统的可靠性问题,推导出成套的预计公式并给出一个详细的计算实例。首先,通过考虑监控器和转换开关的动态和静态故障,细致地剖析了自动控制器本身的故障。然后,按照公用与独立两种型式的转换器,划分这些故障为独立与相依两类,并且归结到独立转换器远比公用转换器为优。同时指出转换器本身的故障必须小于各个分系统的故障,否则就不可能提高总系统的可靠性。此外,对自动停车措施的得失及温冷混合贮备的优点,也都得到了明确的结论。
In this paper, we analyze the reliability of the backup system in detail and deduce the complete set of prediction formulas and give a detailed calculation example. First of all, by considering the monitor and switch the dynamic and static failure, detailed analysis of the automatic controller itself fault. Then, in accordance with the public and independent types of converter, these faults are divided into two categories of independence and dependence, and attributed to the independent converter is better than the common converter. At the same time, it is pointed out that the fault of the converter must be smaller than the fault of each subsystem, otherwise it is impossible to improve the reliability of the overall system. In addition, the pros and cons of automatic parking measures and the advantages of warm and cold mixed reserves have also been clearly concluded.