Evaluation of the Impact of Uncertainty on Reactive Power Reduction Through Fixed Power Factor Adjustment of PV Systems in Medium-Voltage Distribution Networks

Concerns have been raised about the impact of excessive inflows of lagging reactive power on voltage stability, leading to evaluations focusing on reducing reactive power output from photovoltaic (PV) inverters connected to distribution networks. This study assessed the impact of uncertain factors on reducing lagging reactive power. The results indicate that reactive power reduction increases with higher levels of PV capacity. Furthermore, it was confirmed that the value of power factor adjustment has a more significant impact on reactive power reduction than the PV grid-connected section.