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Investigations of Voltage/Reactive Power Sensitivity for Voltage Control and Voltage Stability in Unbalanced Distribution Systems

机译:不平衡配电系统中用于电压控制和电压稳定性的电压/无功灵敏度的研究

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Because of increased DG penetration level, maintaining a good voltage profile in distribution systems is challenging. In addition, because of slow expansion of distribution systems and fast growth of load, voltage stability becomes an important issue. Voltage and reactive power sensitivity, dV/dQ, is one of key important factors in maintaining a good voltage profile and analyzing voltage stability problem. In this work, we investigate some fundamental properties and identify several patterns of dV/dQ based on the IEEE 13-node test feeder. The results have important implications on the application of voltage control and on the validity of modal analysis for voltage stability analysis for three-phase unbalanced distribution systems.
机译:由于增加的DG渗透水平,在配电系统中保持良好的电压分布具有挑战性。另外,由于配电系统的缓慢扩展和负载的快速增长,电压稳定性成为重要的问题。电压和无功功率灵敏度dV / dQ是维持良好电压曲线和分析电压稳定性问题的关键重要因素之一。在这项工作中,我们研究了一些基本特性,并基于IEEE 13节点测试馈线确定了dV / dQ的几种模式。该结果对电压控制的应用以及对三相不平衡配电系统电压稳定性分析的模态分析的有效性具有重要意义。

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