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Agent-Based Decentralized Control Method for Islanded Microgrids

机译:基于agent的分散微网控分散控制方法

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摘要

In this paper, an agent-based decentralized control model for islanded microgrids is proposed, which consists of a two-layer control structure. The bottom layer is the electrical distribution microgrid, while the top layer is the communication network composed of agents. An agent is regarded as a local control processor together with communication devices, so agents can collect present states of distributed generators and loads, when communication lines are added between two layers. Moreover, each agent can also exchange information with its neighboring agents of the network. After information is processed according to control laws, agents adjust the production of distributed generators to which they connect. The main contributions of this paper are (i) an agent-based model for decentralized secondary control is introduced and the rules to establish the communication network are given; (ii) a systematic method is presented, which can be used to derive a set of control laws for agents from any given communication network, where only local information is needed. Furthermore, it has been seen that the output power supplied by distributed generators satisfies the load demand in the microgrid, when agents use the proposed control laws. Finally, the simulation results show that frequency and voltage fluctuations are small and meet the requirements.
机译:本文提出了一种基于智能体的岛上微电网分散控制模型,该模型由两层控制结构组成。底层是配电微电网,而顶层是由代理组成的通信网络。代理与通信设备一起被视为本地控制处理器,因此,当在两层之间添加通信线路时,代理可以收集分布式发电机和负载的当前状态。此外,每个代理还可以与其网络的相邻代理交换信息。在根据控制法则处理信息之后,代理会调整与其连接的分布式发电机的产量。本文的主要贡献是:(1)引入了基于代理的分散式二次控制模型,给出了建立通信网络的规则; (ii)提出了一种系统的方法,该方法可用于从仅需要本地信息的任何给定通信网络中为代理导出一组控制律。此外,已经看到,当代理商使用建议的控制律时,由分布式发电机提供的输出功率将满足微电网中的负载需求。最后,仿真结果表明,频率和电压波动较小,符合要求。

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