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A new power quality deviation index based on principal curves

机译:基于主曲线的新电能质量偏差指数

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In this paper, a new power quality deviation index based on principal curves is proposed. The index provides a quantitative measure, which gives an idea of how much the monitored electrical signal has deviated from the nominal one. Differently of existing indices, the proposed index is a general index, i.e., it can be used for any type of disturbance in the monitored signal. In addition, the proposed index is used to perform a direct approach for detecting disturbances in power signals. This approach is able to detect the beginning and localize the disturbance by analyzing non-overlapping signal windows of one cycle of the fundamental component, leading to a simple method in terms of computational complexity. (C) 2015 Elsevier B.V. All rights reserved.
机译:提出了一种基于主曲线的电能质量偏差指数。该指数提供了一种量化指标,可以使所监测的电信号偏离标称值多少。与现有索引不同,提议的索引是一般索引,即,它可用于监视信号中的任何类型的干扰。另外,所提出的索引被用于执行用于检测功率信号中的干扰的直接方法。这种方法能够通过分析基本分量一个周期的不重叠信号窗口来检测开始并确定干扰,从而在计算复杂度方面提供了一种简单的方法。 (C)2015 Elsevier B.V.保留所有权利。

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