Comparing performance of classical methods for service restoration in MV networks with a new method based on sensitivity parameters

J. L. da Silva, M. F. Medeiros, Max Chianca Pimentel Filho
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Abstract

The objective of this paper is to demonstrate the validity of the use of sensibility parameters as a low computational cost tool to implement service restoration in medium voltage distribution networks. A linearization of the relationship between accumulated powers - active and reactive - in a node and the voltages of all nodes can be carried out by means of sensitivity parameters, in order to determine the influence in voltages, caused by variations in powers in the network nodes as intending supply restoration of loads. The validity of this analysis tool is made comparing it with the restoration/reconfiguration classical methods that uses either a constructive process or an opening process of mesh. It was observed that the service restoration by the use of sensitivity parameters normally presents a very small number of complete calculations of load flow when compared with the classical methods, in addition to a significant reduction in the switching operations, with obvious advantages in the time of restoration, and in the rates of network reliability.
比较了经典中压网络业务恢复方法与基于灵敏度参数的新方法的性能
本文的目的是证明使用敏感性参数作为一种低计算成本工具来实现中压配电网的业务恢复的有效性。一个节点的累计功率(有功和无功)与所有节点的电压之间的线性化关系可以通过灵敏度参数进行,以确定电压的影响,在网络节点的功率变化引起的预期供电恢复负载。将该分析工具与传统的网格构造过程和网格开放过程的恢复重构方法进行比较,验证了该分析工具的有效性。结果表明,与传统方法相比,利用灵敏度参数进行业务恢复的负荷流完整计算次数很少,而且能显著减少切换操作,在恢复时间和网络可靠性方面具有明显优势。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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