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Role of Cloud Movement in Generation of Anomalous Data in SCADA Systems of PV Power Plants

机译：云运动在光伏发电厂SCADA系统中产生异常数据的作用

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In this paper, role of cloud movement in generation of spurious data in PV power plant SCADA systems has been described. Significant deviation from linear relationship between SCADA recorded current vs irradiance in a multi-megawatt PV power plant, which has only one weather station recording the irradiance, is seen in many instances. Such deviations were shown to be the attribution of cloud movements causing varying shading on different blocks of modules connected to different string monitoring boxes (SMBs) and the pyranometer. Such issues leading to spurious signals in SCADA records can be minimized by having more number of pyranometers spread across the plant or by detecting and eliminated these spurious signals from analvsis by looking at the time-series data.
机译：在本文中，已经描述了云运动在PV发电厂SCADA系统中产生虚假数据的作用。在许多情况下，在多兆瓦PV发电厂中，SCADA录制电流VS辐照度的线性关系的显着偏差是在许多情况下观察到记录辐照度的一个气象站。这些偏差被证明是云运动的归属，导致与不同的串监测盒（SMB）和绘制计的不同模块上的不同块变化。通过在整个工厂中扩散或通过观察时间序列数据来通过检测和消除来自Analvsis的许多杂散信号，可以最小化导致SCADA记录中的虚假信号的这些问题。

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