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Estimation of P-st indicator value for a simultaneous influence of two disturbing loads

机译：同时影响两个干扰负载的P-st指标值的估计

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摘要

The analytical model of an IEC flickermeter has been proposed in this paper. It has been assumed that the flickermeter's input voltage contains voltage fluctuation caused by the influence of two independent loads. Equations have been obtained that represent the signal at consecutive points of the flickermeter's signal chain. The P-st indicator value obtained at the model's output depends on the parameters describing the voltage fluctuation in a power grid. On the basis of the determined model, the dependencies of P-st indicator on the amplitude, the frequency as well as the times of activity and delay of the two rectangular modulating signals have been presented. Also, a comparison of the P-st indicator values determined with the use of an analytical model, the results of numerical simulations, and the results of laboratory measurements have been provided. (C) 2017 Elsevier B.V. All rights reserved.
机译：本文提出了IEC闪变仪的分析模型。假定闪变仪的输入电压包含两个独立负载的影响引起的电压波动。已获得方程式，该方程式表示闪烁计信号链的连续点处的信号。在模型输出处获得的P-st指标值取决于描述电网中电压波动的参数。在确定的模型的基础上，提出了P-st指示符对两个矩形调制信号的幅度，频率，活动时间和延迟的依赖性。此外，还提供了使用分析模型确定的P-st指标值的比较，数值模拟的结果和实验室测量的结果。 （C）2017 Elsevier B.V.保留所有权利。

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