摘要
针对常规保护装置判别二次回路电弧故障用时较长的问题,提出以二次回路电流有效值、谐波、特征谐波以及弧光信息建立故障电弧检测判据并构建判断逻辑,从而形成基于“电流+弧光”复合特征的故障电弧检测技术。模拟试验表明该技术具有判断精度高、检测速度快等优势,可供回路故障电弧检测参考。
Aiming at the problem that it takes a long time for conventional protection devices to identify a secondary circuit arc fault, it is proposed to establish the fault arc detection criteria and build the judgment logic based on the secondary circuit current RMS, harmonics, characteristic harmonics and arc light information, thus forming a fault arc detection technology based on the "current+arc light" composite feature. The simulation test shows that the technology has the advantages of high judgment accuracy and fast detection speed, which can be used as a reference for circuit fault arc detection.
作者
谭风雷
陈昊
丁凯
TAN Fenglei;CHEN Hao;DING Kai(Extra-high Voltage Company of State Grid Jiangsu Electric Power Co.,Ltd.,Nanjing 211102)
出处
《电力安全技术》
2022年第12期37-40,共4页
Electric Safety Technology
基金
国家超级计算广州中心支持项目
国网江苏省电力有限公司超高压分公司科技项目(SJX2020001)。
关键词
故障电弧
电流
弧光
二次回路
电弧检测技术
fault arc
electric current
arc light
secondary circuit
arc detection technology
