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Performance investigation of a grid-connected system integrated photovoltaic, battery storage and electric vehicles: A case study for gymnasium building
Energy and Buildings ( IF 6.6 ) Pub Date : 2022-06-20 , DOI: 10.1016/j.enbuild.2022.112255
Shaojie Li , Tao Zhang , Xiaochen Liu , Zhifeng Xue , Xiaohua Liu

It has been a pressing challenge for human beings to reduce the energy consumption of buildings and decrease carbon emission. The application of photovoltaic (PV) system in buildings is identified as a renewable energy and carbon reduction approach. As a kind of typical building, the gymnasium usually has a large non-occupation roof area, which shows great application potential to cover the building demand by available photovoltaic source. This paper presents the performance of a grid-connected system integrated photovoltaic, battery storage, and electric vehicles (EV) applied in gymnasium buildings. The main building demand of gymnasium buildings can be easily covered by adopting an appropriate size of PV installation and battery capacity. The load cover ratio can achieve 0.95 when PV generation equals the energy consumption of the building and the battery with 2.7 times capacity of average daily building load is equipped. The proposed charging strategy for EVs can significantly decrease the peak power of the system compared with the constant power charging method. The peak grid power of the system adopted with the proposed charging strategy can be decreased by 51.7% of the rated load power on a typical day when PV generation is 1.4 times the energy consumption of the building and the battery capacity is 66% of the average daily building load. The results of this study show a reference for the configuration and operation scheme of PV system and electric vehicles in gymnasium buildings for renewable energy development and zero-carbon activity.



中文翻译:

光伏、蓄电、电动汽车并网系统性能研究:以体育馆建筑为例

降低建筑能耗和减少碳排放一直是人类面临的紧迫挑战。光伏(PV)系统在建筑物中的应用被认为是一种可再生能源和碳减排方法。体育馆作为一种典型的建筑,通常具有较大的非占用屋顶面积,显示出巨大的应用潜力,可以利用可用的光伏资源来满足建筑需求。本文介绍了在体育馆建筑中应用的集成光伏、电池存储和电动汽车 (EV) 的并网系统的性能。采用合适的光伏装机规模和电池容量,可以轻松满足体育馆建筑的主体建筑需求。负载覆盖率可以达到0。95 当光伏发电量等于建筑能耗,配备2.7倍建筑日均负荷容量的电池时。与恒功率充电方法相比,所提出的电动汽车充电策略可以显着降低系统的峰值功率。当光伏发电量为建筑物能耗的 1.4 倍、电池容量为平均值的 66% 时,采用该充电策略的系统峰值电网功率在典型日可降低额定负载功率的 51.7%每日建筑负荷。本研究结果为体育馆建筑光伏系统和电动汽车的配置和运行方案提供了可再生能源开发和零碳活动的参考。与恒功率充电方法相比,所提出的电动汽车充电策略可以显着降低系统的峰值功率。在光伏发电量为建筑物能耗的 1.4 倍、电池容量为平均值的 66% 的情况下,采用该充电策略的系统的峰值电网功率在典型日可降低额定负载功率的 51.7%每日建筑负荷。本研究结果为体育馆建筑光伏系统和电动汽车的配置和运行方案提供了可再生能源开发和零碳活动的参考。与恒功率充电方法相比,所提出的电动汽车充电策略可以显着降低系统的峰值功率。当光伏发电量为建筑物能耗的 1.4 倍、电池容量为平均值的 66% 时,采用该充电策略的系统峰值电网功率在典型日可降低额定负载功率的 51.7%每日建筑负荷。本研究结果为体育馆建筑光伏系统和电动汽车的配置和运行方案提供了可再生能源开发和零碳活动的参考。在光伏发电量为建筑物能耗的 1.4 倍、电池容量为平均值的 66% 的情况下,采用该充电策略的系统的峰值电网功率在典型日可降低额定负载功率的 51.7%每日建筑负荷。本研究结果为体育馆建筑光伏系统和电动汽车的配置和运行方案提供了可再生能源开发和零碳活动的参考。在光伏发电量为建筑物能耗的 1.4 倍、电池容量为平均值的 66% 的情况下,采用该充电策略的系统的峰值电网功率在典型日可降低额定负载功率的 51.7%每日建筑负荷。本研究结果为体育馆建筑光伏系统和电动汽车的配置和运行方案提供了可再生能源开发和零碳活动的参考。

更新日期:2022-06-20
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