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Design of Robust Distributed Control for Interconnected Microgrids

机译:互联微电网的鲁棒分布控制设计

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摘要

This paper proposes a distributed control scheme to regulate the power flows among multiple microgrids operating in islanded mode. Each microgrid controller gathers information from neighboring microgrids and reduces dynamic interactions. Modal analysis and time-domain simulations are used to identify critical issues that degrade the stability of microgrids under different operating conditions. A case study comprising three interconnected microgrids is considered. Each microgrid includes distributed generation and is described through a detailed dynamic model. Time-domain analyses are carried out considering different scenarios and large disturbances. Simulation results indicate that, while conventional controllers can lead to poorly damped power oscillations among the interconnected microgrids, the proposed control scheme guarantees stability in the postdisturbance operating conditions.
机译:本文提出了一种分布式控制方案,以调节在孤岛模式下运行的多个微电网之间的功率流。每个微电网控制器从相邻的微电网收集信息并减少动态交互。模态分析和时域模拟用于确定在不同操作条件下会降低微电网稳定性的关键问题。考虑包括三个相互连接的微电网的案例研究。每个微电网包括分布式发电,并通过详细的动态模型进行描述。考虑不同的情况和较大的干扰进行时域分析。仿真结果表明,尽管常规控制器可能会导致互连微电网之间的功率振荡不佳,但所提出的控制方案仍可保证扰动后工作条件下的稳定性。

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