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A novel methodology for determining the voltage sag Impact Factor

机译：一种用于确定电压凹凸冲击因子的新方法

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This paper proposes a methodology for determining a site index that considers the equipment sensitivity to voltage sags, the variation in their level of sensitivity, and the influence of unbalanced sags on three-phase loads. Some single-event characteristics are easily applicable when obtaining site indexes, however, they are overly generic to consider all the above-mentioned aspects, and the more specific indices present the inconvenience of calculation parameters that are dependent on the equipment type, which makes them more adequate to quantify the impact of voltage sags on certain loads rather than to evaluate the sites' performance. In this context, the proposed methodology aims to obtain a single set of calculation parameters that is applicable to all cases, allowing large-scale assessments. For this purpose, a statistical approach is adopted, considering the correlation between the index and the number of equipment trips, in order to define the adjustment most correlated with the sensitivity level of different types of loads. The Impact Factor is used as a basis in determining the desired index. A case study illustrates the application of the proposed methodology, showing how these aspects can be addressed from a better definition of the Impact Factor.
机译：本文提出了一种用于确定将设备敏感性的站点指数确定对电压凹陷的敏感性，灵敏度水平的变化以及不平衡凹陷对三相负荷的影响的方法。然而，在获取站点索引时，某些单事件特性很容易适用于考虑所有上述方面，并且更具体的指标呈现取决于设备类型的计算参数的不便，这使得它们是依赖于设备类型更适合量化电压凹陷对某些负载的影响而不是评估网站的性能。在这种情况下，所提出的方法旨在获得适用于所有情况的单一计算参数，允许大规模评估。为此目的，考虑索引与设备数量之间的相关性，以定义与不同类型的载荷的灵敏度水平相关的调整，以考虑统计方法。冲击因子被用作确定所需指标的基础。案例研究说明了所提出的方法的应用，示出了如何从更好的影响因子定义解决这些方面的解决方法。

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