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An Independent Component Analysis Approach for Wide-Area Monitoring of Power System Disturbances

机译:电力系统干扰广域广域监测的独立分析方法

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摘要

Wide-area power system monitoring based on phasor measurement units allows collecting a set of physical variables for evaluating the system security and stability, as well as for detecting power system disturbances. However, trends, noise and non-Gaussian distribution in measurements are important challenges for carrying out the detection, localization and visualization of power system disturbances. In this paper, a methodology that combines independent component analysis with statistical indices for detecting and visualizing anomalous dynamic events from wide-area measurements is proposed. From the statistical indices, two charts are also proposed to provide a better understanding of the system disturbances. Finally, a set of simulated data obtained from a transient stability model of the New England/New York test system is used to demonstrate the effectiveness of the proposed technique.
机译:基于Phasor测量单元的广域电力系统监控允许收集一组物理变量,以评估系统安全性和稳定性,以及检测电力系统干扰。然而,测量中的趋势,噪声和非高斯分布是执行电力系统干扰的检测,本地化和可视化的重要挑战。本文提出了一种与统计指标相结合的方法,用于检测和可视化广域测量的异常动态事件。从统计指标,还提出了两个图表,以更好地了解系统干扰。最后,使用从新英格兰/纽约测试系统的瞬态稳定模型获得的一组模拟数据用于展示所提出的技术的有效性。

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