研究目的
To propose a new system consisting of photovoltaic thermal-ground source heat pump (PV/T-GSHP) as a solution for electricity shortage and high electricity consumption in heating buildings in Jordan.
研究成果
The coupling of photovoltaic system and ground source heat pump system is efficient, effective, and economically feasible, leading to better performances and economic status than each system alone.
研究不足
The study is location-dependent, relying on soil properties at the system location in Jordan. The economic feasibility is influenced by local fuel/power sources and initial investment costs.
1：Experimental Design and Method Selection:
The study used TRNSYS software to simulate the performances of the photovoltaic system and the ground source heat pump system both without coupling and with coupling in a hybrid system.
2：Sample Selection and Data Sources:
The Higher Council for Science and Technology (HCST) building was taken as a case study due to the deployment of photovoltaic and ground-source heat pump systems.
3：List of Experimental Equipment and Materials:
The photovoltaic system on the roof of the HCST building has a capacity of 52 kWp approximately consisting of two inverters connected to 174 polycrystalline panels with a maximum power output of 305 W each. The ground-source heat pump system type is ground coupled heat pump with vertical-loop design.
4：Experimental Procedures and Operational Workflow:
The photovoltaic panels cooling system starts working when the panels reach a temperature above 45 °C using variable speed pump. The ground source heat pump (GSHP) system works as in real case.
5：Data Analysis Methods:
The evaluation took a one-year time using TRNSYS simulation program to simulate the photovoltaic panel system and the ground source heat pump system performances separately and coupled together.
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