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An improved reliability model for redundant protective systems-Markov models

机译:冗余保护系统的改进可靠性模型-马尔可夫模型

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摘要

A number of reliability models of power system components including protective-system failures have been proposed. These models have concentrated on modeling a single protective device. When this protections fails, it is usually assumed that backup protection will isolate the faulted component with 100% reliability. In reality, power system components, have redundant protection schemes with two or more protective devices operating in parallel. Existing reliability models have not dealt with redundant protective systems adequately. This paper presents an improved reliability model capable of modeling these systems. The proposed Markov model and the equations for a number of important performance indices are derived and illustrated in this paper using the data for a typical transmission system.
机译:已经提出了包括保护系统故障在内的许多电力系统组件的可靠性模型。这些模型集中于对单个保护设备进行建模。当此保护失败时,通常假定备份保护将以100%的可靠性隔离故障组件。实际上,电力系统组件具有冗余保护方案,其中两个或多个保护装置并行运行。现有的可靠性模型尚未充分处理冗余保护系统。本文提出了一种能够对这些系统进行建模的改进的可靠性模型。本文使用典型传输系统的数据推导并提出了拟议的马尔可夫模型和许多重要性能指标的方程式。

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