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Voltage Stability Analysis of Radial Distribution Networks

机译：径向配电网的电压稳定性分析

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摘要

The paper presents voltage stability analysis of radial distribution networks. A new stability index is proposed to identify the nodes that are on the verge of voltage collapse. The value of the proposed voltage stability index is calculated at each node of the network. A modified load flow method is used for voltage stability analysis. The modified load flow method incorporates composite load modeling and variations in load pattern at each node. The results are compared with the other known methods of voltage sensitivity indices and found satisfactory. A comprehensive comparison with the recently proposed voltage stability index by Chakravorty and Das is presented in this paper. A detailed analysis of effects of different load models on voltage computation and voltage stability are carried out, and it is observed that for voltage stability analysis, a constant impedance load model can be used without losing the sensitivity of load modeling.
机译：本文介绍了径向配电网的电压稳定性分析。提出了一种新的稳定性指标来识别处于电压崩溃边缘的节点。建议的电压稳定性指数的值是在网络的每个节点上计算的。改进的潮流方法用于电压稳定性分析。改进的潮流方法结合了复合载荷建模和每个节点处载荷模式的变化。将结果与电压灵敏度指数的其他已知方法进行比较，发现令人满意。本文介绍了与Chakravorty和Das最近提出的电压稳定性指标的全面比较。详细分析了不同负载模型对电压计算和电压稳定性的影响，可以观察到，对于电压稳定性分析，可以使用恒定阻抗负载模型而不会降低负载建模的敏感性。

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