电力市场放松管制下输电系统节点概率拥塞与可靠性评估

Jaeseok Choi, Hongsik Kim, J. Cha, R. Billinton
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引用次数: 46

摘要

提出了一种评估输电系统节点概率拥塞和可靠性指标的方法。输电系统可靠性的定量评价具有重要意义,因为在解除管制的电力市场中,输电系统的成功运行取决于输电系统的可靠性管理。关键是输电系统的可靠性水平等于复合电力系统(HLH)与发电系统(HLI)之间的可靠性水平差。由于综合电力系统中存在输电线路的不确定性和容量限制,综合电力系统的风险指数大于发电系统的风险指数。通过一个小型测试系统的实例分析,说明了该方法的特点和有效性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Nodal probabilistic congestion and reliability evaluations of a transmission system under the deregulated electricity market
This paper presents a method for evaluating nodal probabilistic congestion and reliability indices of transmission systems. Quantitative evaluation of transmission system reliability is very important because successful operation of an electric power system in the deregulated electricity market depends on transmission system reliability management. The key point is that the reliability level of the transmission system is equal to the reliability level difference between the composite power system (HLH) and the generation system (HLI). Risk indices of a composite power systems are larger than those of the generation system as the composite power systems include uncertainties and capacity limits of the transmission lines. The characteristics and effectiveness of this methodology are illustrated by the case study using a small test system.
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