Analysis of power generation efficiency of FPV power generation system and solar power generation s

Compared with the solar power generation system, the floating photovoltaic power generation system has higher power generation efficiency, and the ratio of the power generation between the two is between 0.22% and 9.63%. For 8 months, the FPV generation system is compared with the onshore solar power generation system. The power generation efficiency of the floating photovoltaic power generation system is not significantly improved, and even lower than that of the roof power generation system. The power generation ratio of the FPV power generation system and the land solar power generation system is -1.48% to -0.08%. The power generation efficiency of floating photovoltaic power generation systems varies seasonally.


The active power of the floating photovoltaic power generation system is generally higher than that of the land solar power station, and the change trend is basically the same as that of the power generation. Among them, the difference in active power is obvious between 10:35 and 14:30. Due to the increase in the operating temperature of photovoltaic modules during this period, the reduction of temperature loss of the floating photovoltaic power generation system has a significant impact on the power generation of the system.


The test system builds a 6.3kW FPV generation system and a 6.3kW land solar power generation system, with a total installed capacity of 12.6kW. According to the data analysis, since the operation of the test system, the total power generation of the floating photovoltaic power generation system is 2% higher than that of the land solar power generation system, and the overall power generation efficiency is higher, which is in line with the theory, and the power generation efficiency of the FPV system is seasona Variety. The active power of the floating photovoltaic power generation system is generally higher than that of the onshore photovoltaic power generation system, and the change trend is basically the same as that of the power generation. The power difference is obvious in the time period before and after noon. Due to the increase of the operating temperature of solar modules during this time period, the impact of reducing the temperature loss of the floating photovoltaic power generation system on the power generation of the system is more obvious.