COOPERATIVE CONTROL STRATEGY OF WAVE ENERGY CONVERTER CLUSTER BASED ON TWO-LAYER CONSISTENCY PROTOCOL

Zhu Yongqiang; Zhu Xianhao

doi:10.19912/j.0254-0096.tynxb.2023-0621

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Acta Energiae Solaris Sinica ›› 2024, Vol. 45 ›› Issue (8) : 675-681. DOI: 10.19912/j.0254-0096.tynxb.2023-0621

COOPERATIVE CONTROL STRATEGY OF WAVE ENERGY CONVERTER CLUSTER BASED ON TWO-LAYER CONSISTENCY PROTOCOL

Zhu Yongqiang, Zhu Xianhao

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Abstract

A cooperative control strategy for wave power generation clusters based on a two-layer consistency protocol is proposed. Taking the direct-drive power generation device as the research object, the mechanical model of a float is analyzed and the power composition of the power generation device is deduced. The lower layer of control systems achieves precise control of the stable and fluctuating components of the output power of the device by means of a single-machine dual-degree-of-freedom control method, which maximizes the conversion of energy and minimizes the fluctuating component at the same time. The upper layer of control systems, through cluster collaboration, takes into account the wave absorption capacity of the device and the energy state of the storage under the premise of meeting the load demand and guaranteeing the simultaneous output of multiple units and devices, so that it interacts with information according to the topology of the cluster network and regulates signals at the lower layer. Simulation results show that the control strategy can dynamically allocate the output of each wave power generation unit and gradually realize the consistency of the energy state.

Key words

wave power / power control / control systems / consistency protocol / cluster collaboration

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Zhu Yongqiang, Zhu Xianhao. COOPERATIVE CONTROL STRATEGY OF WAVE ENERGY CONVERTER CLUSTER BASED ON TWO-LAYER CONSISTENCY PROTOCOL[J]. Acta Energiae Solaris Sinica. 2024, 45(8): 675-681 https://doi.org/10.19912/j.0254-0096.tynxb.2023-0621

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