研究目的
To establish by modeling an optimal residential PV renewable energy source (RES) that provides the best energy production based on the solar potential from Brasov area for a given inverter.
研究成果
The maximum PV yearly energy production is obtained from an 8 kW PV system, with a 34.8% energy gain compared with a 5 kW PV system. For the existing configuration, the 8 kW PV system is the optimal residential RES PV source from the energy production point of view.
研究不足
The study is limited to the solar potential from Brasov area and the specific configurations of the PV system and inverter used. The applicability of the findings to other regions or systems may require further validation.
1：Experimental Design and Method Selection:
The study focuses on modeling a residential RES PV source to find an optimal value for a PV array from the amount of installed power point of view. The methodology involves simulation in Homer Pro software.
2：Sample Selection and Data Sources:
The analyzed MG structure includes an 8 kW PV system, a grid connecting PV inverter of 4.6 kW, and a 48V Li-ion stationary battery. Meteorological data (irradiation) from NASA database and electrical measured data (power delivered by PV panels) are used.
3：6 kW, and a 48V Li-ion stationary battery. Meteorological data (irradiation) from NASA database and electrical measured data (power delivered by PV panels) are used.
List of Experimental Equipment and Materials:
3. List of Experimental Equipment and Materials: PV panels, grid connecting PV inverter (Sunny Boy 5.0-4.6 kW), Li-ion stationary battery, Homer Pro software.
4：0-6 kW), Li-ion stationary battery, Homer Pro software.
Experimental Procedures and Operational Workflow:
4. Experimental Procedures and Operational Workflow: Different PV configurations are proposed to find the optimal PV source solution. The PV system's behavior is simulated for January, July, and a complete year with hourly PV solar irradiations.
5：Data Analysis Methods:
The study uses Gaussian fitting function for approximation and analyzes the energy production for different PV power levels.
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