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A measurement-based VSI for voltage dependent loads using angle difference between tangent lines of load and PV curves

机译:基于负载的切线与PV曲线之间的夹角差,用于基于电压的负载的基于测量的VSI

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摘要

In this short communication, a generic measurement-based voltage stability indicator (VSI) is presented with voltage dependent load models incorporated. It uses the angle difference between the tangent lines of the load characteristic curve and the PV curve. Based on the Thevenin equivalent estimated from the measurements, the proposed VSI can be easily applied to both the ZIP and the exponential load models. Time domain simulation results on both load models demonstrate that the proposed VSI accurately indicates voltage instability and outperforms a conventional VSI which is based on a constant power load model. (C) 2018 Elsevier B.V. All rights reserved.
机译:在这种简短的交流中,提出了一个通用的基于测量的电压稳定性指标(VSI),并结合了电压相关的负载模型。它使用负载特性曲线和PV曲线的切线之间的角度差。根据测量结果得出的戴维南等效值,可以将所提出的VSI轻松应用于ZIP和指数负载模型。在两个负载模型上的时域仿真结果表明,所提出的VSI可以准确指示电压不稳定性,并且优于基于恒定功率负载模型的常规VSI。 (C)2018 Elsevier B.V.保留所有权利。

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