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A Distributed Control Strategy for Frequency Regulation in Smart Grids Based on the Consensus Protocol

机译：基于共识协议的智能电网调频分布式控制策略

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摘要

This paper considers the problem of distributed frequency regulation based on the consensus control protocol in smart grids. In this problem, each system component is coordinated to collectively provide active power for the provision of ancillary frequency regulation service. Firstly, an approximate model is proposed for the frequency dynamic process. A distributed control algorithm is investigated, while each agent exchanges information with neighboring agents and performs behaviors based on communication interactions. The objective of each agent is to converge to a common state considering different dynamic load characteristics, and distributed frequency control strategy is developed to enable the agents to provide active power support. Then, the distributed proportional integral controllers with the state feedback are designed considering the consensus protocol with topology 𝒢 . The theory of distributed consensus protocol isfurther developed to prove the stability of the proposed control algorithm. Whenproperly controlled, the controllers can provide grid support services in a distributed manner that turn out the grid balanced globally. Finally, simulations of the proposed distributed control algorithm are tested to validate the availability of the proposed approach and the performance in the electrical networks.
机译：本文考虑了智能电网中基于共识控制协议的分布式调频问题。在此问题中，每个系统组件都经过协调以共同提供有功功率，以提供辅助频率调节服务。首先，提出了频率动态过程的近似模型。研究了一种分布式控制算法，同时每个代理与相邻代理交换信息并基于通信交互执行行为。考虑到不同的动态负载特性，每个代理程序的目标是收敛到一个公共状态，并且开发了分布式频率控制策略以使代理程序能够提供有功功率支持。然后，考虑具有拓扑＆＃x1D4A2;的共识协议，设计具有状态反馈的分布式比例积分控制器。 。进一步发展了分布式共识协议的理论，以证明所提出的控制算法的稳定性。如果受到适当控制，则控制器可以以分布式方式提供电网支持服务，从而实现全球电网的均衡。最后，对所提出的分布式控制算法的仿真进行了测试，以验证所提出方法的可用性和在电气网络中的性能。

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