Research on the Impact of Photovoltaic Grid Connection on Relay Protection of Distribution Networks
In recent years,the large-scale integration of photovoltaic systems into the distribution network has become a trend,which has also brought new challenges to the relay protection system of the distribution network.This article first provides an overview of the photovoltaic power generation system,and then analyzes the different impacts on the relay protection system when the photovoltaic power generation system is connected to the grid through different access points of the distribution network,including the connection at the end,middle,and starting ends of the line.This study aims to provide theoretical guidance and technical support for ensuring the safe and stable operation of photovoltaic grid connected systems,and further improve the relay protection performance and reliability of distribution networks.
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