Distribution Network Feeder Fault Processing Technology Based on System Protection
This paper explores the feeder fault processing technology based on system protection.Compared with feeder fault processing based on recloser,this technology has the characteristics of accurate fault identification,timely fault isolation and high degree of automation,and has a good effect in ensuring reliable operation of distribution network and providing power quality.Feeder system protection adopts the combination of primary protection and backup protection to ensure that the fault can be quickly isolated in case of communication failure.According to the experimental results,the system protection device can complete the fault processing within 150ms,and meet the requirements of safe and reliable operation of distribution network.
system protectiondistribution networkfeeder faultback-up protection