科研之友
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摘要
Hydrogen enriched compressed natural gas（HCNG） technology can effectively solve the problem of high transportation costs of pure hydrogen faced by large-scale power to hydrogen. For the problems of large-scale wind-solar consumption and low-carbon optimal scheduling of urban integrated energy system （UIES），a low-carbon optimal scheduling method for UIES considering electricity-hydrogen-HCNG coupling and demand response is proposed under the framework of source-network-storage-hydrogen collaborative optimization. The operating characteristics of electricity-hydrogen-HCNG coupled unit are modeled，and the demand response mechanism of the user unit is introduced to establish a low-carbon optimal schedule model of UIES with the objective of minimizing the system operation cost. The proposed model is verified by case analysis，and the results show that the introduction of the electricity-hydrogen-HCNG coupling unit and the user unit demand response mechanism can effectively promote wind-solar consumption and improve low-carbon nature of the UIES. ? 2023 Electric Power Automation Equipment Press.
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