Abstract
With the vigorous development of the new power system, the penetration rate of distributed PV grid-connected continues to increase. Large quantities of distributed PV grid-connected will affect the distribution network trend direction on the node voltage, affecting the safe operation of the distribution network. The study aims to address this problem. Firstly, the effect of distributed photovoltaic power generation on distribution network voltage is analyzed by theoretically analyzing different locations and capacities of distributed PV access. Secondly, it establishes a simulation model based on a typical IEEE33 node and performs analysis through trend calculation. Finally, the study derives the voltage distribution law of a distributed PV grid-connected distribution network to ensure the safe and stable operation of the power grid.
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