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引用次数: 23
摘要
提出了一种广义的可修系统可靠性模型,即k -out- n + M冷备用单元。在相同和不同冷备、完全和不完全切换、单备份和备份本身是一个k- of-n系统的几种假设/情况组合下,对该系统的可靠性和可用性进行了深入研究。开发并提供了此类系统的可靠性评估。对如何设计这种电力系统以达到其可靠性要求进行了研究和探讨。给出了影响系统可靠性特性的因素。通过所开发的方法,给出了已定义系统(现场电厂)的实例。对该电站的可靠性和可用性进行了评估,结果表明该电站比现有的电源可靠得多。并讨论了进一步的研究和考虑。
Reliability/availability of K-out-of-N system with M cold standby units
A generalized repairable system reliability model, K-out-of-N plus M cold standby units, is proposed in this paper. Reliability and availability of this system have been deeply studied under several combinations of assumptions/cases: identical and different cold standby, perfect and imperfect switching, and single backup and backup itself is a k-out-of-n system. Reliability evaluation of such systems is developed and provided. How to design this kind of power system to achieve its reliability requirements is studied and discussed. Factors that affect system reliability characteristics are presented. A real example of the defined system (on-site power plant) is provided through the developed approach. Reliability and availability of the power plant are evaluated, which is much-more reliable than the existing power sources. Further research and considerations are also discussed.