基于系统保护的配电网馈线故障处理技术  

Distribution Network Feeder Fault Processing Technology Based on System Protection

作　　者：张爱辉 Zhang Aihui(Liuyang Xinhua Power Co.,Ltd.,Liuyang,China)

机构地区：[1]浏阳新华电力有限公司,湖南浏阳

出　　处：《科学技术创新》2024年第12期225-228,共4页Scientific and Technological Innovation

摘　　要：本文探究了基于系统保护的馈线故障处理技术。相比于基于重合器的馈线故障处理,该技术具有故障识别精准、故障隔离及时、自动化程度高等特点,在保证配电网可靠运行和提供电能质量方面有良好效果。馈线系统保护采用主保护和后备保护相结合的方式,确保在通信发生故障的情况下也能快速隔离故障。从实验结果看,系统保护装置可以在150 ms内完成故障处理,满足配电网安全、可靠运行的要求。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.

关 键 词：系统保护 配电网 馈线故障 后备保护 

分 类 号：TM73[电气工程—电力系统及自动化]