Grid-Connected Photovoltaic Systems Impact Analysis on the Electrical Energy Quality of the Grid
The paper aims to discuss the influence of grid-connected photovoltaic power generation system on power grid power quality and propose improvement methods.Through the in-depth analysis of the principle,composition and correlation of the photovoltaic power generation system,it is found that the weather conditions,system capacity,grid structure,grid connection and control strategy have an impact on the power quality.Therefore,the strategies of optimizing grid-connected control technology,applying power-quality compensation device and designing and improving high-efficiency inverter are put forward,which can effectively reduce the fluctuation of power-quality of the power grid,promote the smooth access of clean energy to the power grid,and provide practical technical support for the sustainable development of the power system.
grid-connected photovoltaic systempower quality of power gridinfluencing factorsimprovement methods
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