Analysis of Differential Protection Technology of Distribution Network Based on 5G Communication
In view of the delay of differential protection data transmission in distribution network,5G communication technology is used for independent networking to provide highly reliable and low-delay communication links,which can enhance the real-time performance of data transmission and enhance the reliability of differential protection action.Based on the construction of 5G differential protection communication architecture,the key technologies of 5G differential protection communication in distribution network are analyzed from two aspects:data synchronization and message transmission.In the implementation phase,it is found that the action time of differential protection will be affected by communication delay.By using external clock to realize sampling synchronization,the differential protection performance can meet the operation requirements of distribution network.
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