期刊论文详细信息
Energies
Integration Design and Operation Strategy of Multi-Energy Hybrid System Including Renewable Energies, Batteries and Hydrogen
Hexu Sun1  Yi Zhang1  Yingjun Guo2 
[1] School of Artificial Intelligence, Hebei University of Technology, Tianjin 300130, China;School of Electrical Engineering, Hebei University of Science and Technology, Shijiazhuang 050018, China;
关键词: multi-energy complementation;    operation strategy;    state monitoring;    AC-DC hybrid bus;    hydrogen energy subsystem;    experiment platform;   
DOI  :  10.3390/en13205463
来源: DOAJ
【 摘 要 】

In some areas, the problem of wind and solar power curtailment is prominent. Hydrogen energy has the advantage of high storage density and a long storage time. Multi-energy hybrid systems including renewable energies, batteries and hydrogen are designed to solve this problem. In order to reduce the power loss of the converter, an AC-DC hybrid bus is proposed. A multi-energy experiment platform is established including a wind turbine, photovoltaic panels, a battery, an electrolyzer, a hydrogen storage tank, a fuel cell and a load. The working characteristics of each subsystem are tested and analyzed. The multi-energy operation strategy is based on state monitoring and designed to enhance hydrogen utilization, energy efficiency and reliability of the system. The hydrogen production is guaranteed preferentially and the load is reliably supplied. The system states are monitored, such as the state of charge (SOC) and the hydrogen storage level. The rated and ramp powers of the battery and fuel cell and the pressure limit of the hydrogen storage tank are set as safety constraints. Eight different operation scenarios comprehensively evaluate the system’s performance, and via physical experiments the proposed operation strategy of the multi-energy system is verified as effective and stable.

【 授权许可】

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