论文标题
评估操纵分布式能源对电力系统操作的网络攻击的影响
Assessing the impact of cyber attacks manipulating distributed energy resources on power system operation
论文作者
论文摘要
成功对电力系统的网络攻击会导致严重破坏。一种可能的操纵策略是利用分布式能源(DERS)来干扰电源系统的操作。除了对散装功率系统频率的影响外,由DER控制和保护引起的局部级联效应还可以增加此策略的严重性。为了研究这些效果,得出了DER的主动(P)和反应能力(Q)设定值在内的操纵场景。使用时间域模拟对影响进行分析,并使用评估标准(例如电压带违规和植物保护触发)进行量化。尽管断开连接导致大量损失的P注入Q设定点的操作可通过局部级联效应断开其他DER的潜力。为了减轻操纵方案的影响,自动化的Tap Changer操作以及远程访问Q的限制是合适的。
Successful cyber attacks on power systems cause severe disruptions. One possible manipulation strategy is the utilization of distributed energy resources (DERs) to disturb power system operation. In addition to the impact on bulk power system frequency, local cascading effects caused by DER control and protection can increase the severity of this strategy. To investigate these effects, manipulation scenarios including the disconnection as well as the manipulation of active (P) and reactive power (Q) setpoints of DERs are derived. The impact is analyzed using time-domain simulations and quantified using assessment criteria such as voltage band violation and plant protection triggering. Though DER disconnection leads to high amounts of lost P injection the manipulation of Q setpoints offers potential to disconnect additional DERs through local cascading effects. To mitigate the impact of the manipulation scenarios automated tap changer operation as well as a limitation of remotely accessible Q is suitable.