Research on construction and operation strategy of zero-carbon micro-energy network based on hydrogen storage in remote areas
Renewable-rich remote areas are facing problems such as high cost of external energy supply,low reliability of internal green micro-power,high fuel transportation cost and environmental pollution caused by diesel generators as backup power sources,which is not meeting the needs of low carbonization.To solve those problems,this paper propses a design of micro-energy network based on hydrogen energy storage in an off-grid hydrogen storage energy supply scenario.The framework for a hydrogen-based zero-carbon micro-energy network on account of the spatial and temporal distribution characteristics of renewable energy in remote areas is presented.Furthermore,the paper proposes the resource endowment and operation constraints of the hydrogen-based micro-energy network,formulates operation strategies for energy surplus and shortage periods and carries out the case simulation.Simulation results of a village in Yunnan Province prove the feasibility of the proposed micro-energy network and its operation strategies,which effectively eliminates the influence of unstable regional green micro-power output and seasonal shortage on the reliability of the power supply system and reduces regional thermal load burden.Furthermore,it helps decarbonize the regional energy system.Research results provide a reference for energy consumption improvement and carbon reduction in renewable-rich areas such as remote areas and islands.
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