输电系统可靠性性能的概率评估

A. Chowdhury, D. Koval
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引用次数: 11

摘要

传统上,系统增强以提高客户供应可靠性的需要是完全基于确定性标准确定的。例如,广泛使用的单一应急准则(N-1准则)要求在发电机组、输电线路或变压器等主要系统设备丢失后,应存在可接受的系统条件。确定性准则虽然易于使用,但由于其固有的局限性,不能真实地模拟电力系统行为的随机性。基于概率的模型被用来准确地反映电力系统行为的随机性和评估其可靠性性能。本文介绍了该可靠性模型的不同特点,并将其用于实际传动系统的可靠性性能计算
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Probabilistic assessment of transmission system reliability performance
Traditionally, the need for system reinforcements to improve customer supply reliability has been determined solely based on deterministic criteria. For example, the widely used single contingency criterion (N-1 criterion) requires that acceptable system conditions shall exist after the loss of a major system equipment such as a generating unit, transmission line or transformer. Though easy to use, due to inherent limitations, the deterministic criteria can not realistically model the stochastic nature of power system behavior. Probability based models have been developed to accurately reflect stochastic nature of a power system behavior and assess its reliability performance. This paper presents different features of such a reliability model used to compute the reliability performance of a practical transmission system
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