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A Robust Distributed Economic Dispatch Strategy of Virtual Power Plant Under Cyber-Attacks

机译：网络攻击下虚拟电厂的鲁棒分布式经济调度策略

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摘要

As distributed generators (DGs) rapidly integrate into current power systems, new methods to effectively manage them need to be developed. Toward this end, a large number of geographically dispersed DGs are generally aggregated into a virtual power plant (VPP). Then, distributed control schemes are used to achieve optimal economic dispatch of the VPP by maintaining equal incremental costs of DGs while the aggregated DG power matches the dispatch command. Often, one of the drawbacks of distributed schemes is that they are susceptible to communication failures and cyber-attacks (i.e., noncolluding and colluding attacks). In order to mitigate this problem, an attack-robust distributed economic dispatch strategy is proposed where we assume that every DG can monitor the behavior of its in-neighbors and has the network connectivity information. The proposed strategy detects the misbehaving DGs residing in the network and gradually isolates them so that the remaining well-behaving DGs could still accomplish the economic dispatch. The effectiveness of the proposed strategy is illustrated through simulations on the IEEE 123-bus test system.
机译：随着分布式发电机（DG）迅速集成到当前的电力系统中，需要开发有效管理它们的新方法。为此，通常将大量地理位置分散的DG聚集到虚拟电厂（VPP）中。然后，在总的DG功率与调度命令相匹配的同时，通过保持相等的DG增量成本，使用分布式控制方案来实现VPP的最佳经济调度。通常，分布式方案的缺点之一是它们容易遭受通信故障和网络攻击（即，非共谋和共谋攻击）。为了缓解此问题，提出了一种攻击稳健的分布式经济调度策略，其中我们假设每个DG都可以监视其邻居的行为并具有网络连接信息。所提出的策略可以检测出网络中存在的不良DG，并逐渐将其隔离，以便其余表现良好的DG仍可以完成经济调度。通过在IEEE 123总线测试系统上的仿真说明了所提出策略的有效性。

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