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Detection of Cyber Attacks Against Voltage Control in Distribution Power Grids With PVs

机译：带有PV的配电网中针对电压控制的网络攻击检测

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摘要

In this paper, we consider the impact of cyber attacks on voltage regulation in distribution systems when a number of photovoltaic (PV) systems are connected. We employ a centralized control scheme that utilizes voltage measurements from sectionizing switches equipped with sensors. It is demonstrated that if measurements are falsified by an attacker, voltage violation can occur in the system. However, by equipping the control with a detection algorithm, we verify that the damage can be limited especially when the number of attacked sensors is small through theoretical analysis and simulation case studies. In addition, studies are made on attacks which attempt to reduce the output power at PV systems equipped with overvoltage protection functions. Further discussion is provided on how to enhance the security level of the proposed algorithm.
机译：在本文中，当许多光伏（PV）系统连接时，我们考虑了网络攻击对配电系统中电压调节的影响。我们采用集中式控制方案，该方案利用分段传感器的电压测量值。事实证明，如果攻击者篡改了测量结果，则系统中可能会发生电压违规的情况。但是，通过为控制装置配备检测算法，我们可以通过理论分析和模拟案例研究来证明可以限制损坏，尤其是当被攻击的传感器数量较少时。另外，对试图降低配备过压保护功能的光伏系统的输出功率的攻击进行了研究。进一步讨论了如何提高所提出算法的安全性。

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