4.7 Article

Hierarchical control strategy of thermostatically controlled load considering multiple factors

期刊

ENERGY AND BUILDINGS
卷 291, 期 -, 页码 -

出版社

ELSEVIER SCIENCE SA
DOI: 10.1016/j.enbuild.2023.113148

关键词

Microgrid; Distributed hierarchical control; Thermostatically controlled loads; Distributed consensus protocol; Power dispatch

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In this article, a distributed hierarchical control strategy of thermostatically controlled loads (TCLs) is proposed to provide power dispatching service in a microgrid. The strategy includes a distributed consensus protocol to achieve optimal control performance and pinning control to distribute dispatching power among buildings. The case studies validate the effectiveness and fairness of the proposed control scheme, which also considers multiple factors of each TCL to improve the feasibility and expansibility of the dispatching process.
In this article, a distributed hierarchical control strategy of thermostatically controlled loads (TCLs) is proposed, which can effectively utilize TCLs to provide power dispatching service in a microgrid composed of buildings. Firstly, the distributed consensus protocol of TCLs is studied, and the state space of a TCL is established. The optimal control performance is achieved by selecting coupling strength and control gain. Then, the dispatching power of each building is reasonably distributed through pinning control, and consensus coefficient and pro-portional coefficient are determined according to the heterogeneity of building parameters. Finally, the case studies were conducted to validate the proposed novel distributed hierarchical control scheme, which can provide effective power dispatching services and realize the fair distribution of the dispatching requirements among all TCLs. The proposed strategy also takes into account the multiple factors of each TCL such as het-erogeneous parameters, communication burden and user's actual conditions, which improves the feasibility and expansibility of the dispatching process.

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