需求侧管理下带有热泵和储能的混合光伏/热能耦合系统全季节运行优化分析OA北大核心CSTPCD
Demand-side management-based optimization of all-season performance of a hybrid photovoltaic/thermal-linked system with a heat pump
针对建筑能源消耗过高问题,文章在独栋建筑中构建了带有热泵和热能储存的混合光伏/热能耦合系统,将其与需求侧管理概念相结合,开发了一个动态模拟模型描述其运行性能,进而对需求侧管理进行配置优化,分析了不同配置下的成本和能源使用情况.结果表明,需求侧管理下耦合系统上网电量占总发电量比率相比无储能系统在供暖、供冷季白天分别提升了 23.96%,7.07%,索取电量在夜间大幅提升,总体增加了 5.07%,104.50%,系统电力负荷调控能力良好,水箱温度设定点在供暖季及供冷季分别为 43,24℃,是所有优化配置中总能耗最低的,比没有PVT和水箱的系统,年能耗降低41.77%,比不实施管理策略的节能率提高了 7.10%.储能期消耗的电量在供暖、供冷季约占总耗电量的50.9%,72.7%.需求侧管理配置优化能够进一步降低系统能耗,特别是那些具备节能优势的系统,这对节能降耗具有良好的现实意义.
The research develops a hybrid photovoltaic/thermal-linked system with a heat pump and thermal energy storage in a single building,combining it with the idea of demand-side management to solve the issue of excessive building energy consumption.To define its operational performance,a dynamic simulation model is created.After that,the configuration is optimized for demand-side management,and the cost and energy use of various configurations are examined.The findings demonstrate that,as compared to the coupled system without storage,the ratio of feed-in tariff to total generation for the heating and cooling seasons is improved by 23.96% and 7.07%,respectively.The demand for power rose sharply at night,rising by a total of 5.07% and 104.50%,and the system is capable of good power load management.The set point for the temperature of the water tank is 43℃for the heating season and 24℃for the cooling season,respectively.This configuration uses the least amount of energy overall among all optimized configurations,with a season-wide energy savings rate of 41.77%,which is 7.10% higher than the rate without the use of management strategies.Approximately 50.9% and 72.7% of the total electricity used during the heating and cooling seasons is used during the storage period.To further lower the energy consumption of systems with control techniques and energy-saving benefits,it is useful to research demand-side management configuration optimization.
于水;韩府宏;李睿哲;李思尧;刘雪研
沈阳建筑大学 市政与环境工程学院,辽宁 沈阳 110168东北大学 基建管理处,辽宁 沈阳 110168
能源与动力
混合光伏/热能热能储存需求侧管理配置优化
hybrid PV/thermal energythermal energy storagedemand-side managementoptimal configuration
《可再生能源》 2024 (009)
1161-1169 / 9
国家自然科学基金(U23A20657).
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