Voltage Stability Analyis of Radial Distribution Systems by Considering Load Models

Varaprasad Janamala, M. Monica
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引用次数: 3

Abstract

Generally, the distribution systems have served for different types of loads like commercial, industrial, residential, agriculture and municipality etc. and diverse changes in consumption pattern occur at any part of the network at any time of the day. During light loading condition, the voltage profile can increase and vice versa for peak loading condition. Under these circumstances, it is worthwhile to understand the voltage stability for planning of any Volt/VAr controls. This paper has presented the voltage stability analysis of 12-bus and 85-bus standard radial distribution systems using line stability index. Different load models have been taken and under each model, the system performance as well as its stability discussed. The focal points are suitable for planning studies like Volt/VAr controls, optimal location of Distribution Generation (DG) or load shedding etc.
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考虑负荷模型的径向配电系统电压稳定性分析
一般来说,配电系统服务于商业、工业、住宅、农业和市政等不同类型的负荷,并且在一天中的任何时间,网络的任何部分都会发生不同的消费模式变化。在轻负荷状态下,电压分布会增加,在峰值负荷状态下,电压分布会增加。在这种情况下,了解电压稳定性对任何伏特/VAr控制的规划都是值得的。本文采用线路稳定指标对12母线和85母线标准径向配电系统的电压稳定性进行了分析。采用了不同的负载模型,并在每种模型下讨论了系统的性能和稳定性。焦点适用于规划研究,如伏特/无功控制、配电发电(DG)的最佳位置或减载等。
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