摘要
分析了位于沿海化工产业区的110 kV大粤线N27塔夏季(6-8月)监测数据,确认大雨冲刷之后的清洁绝缘子出现连续爬电现象是湿沉降侵入所致。监测结果表明,泄漏电流与相对湿度出现非对应关系和泄漏电流的折线特征,是早期湿沉降侵入的重要信号。盐/灰密测试涉及不到湿沉降内容,研究、制定湿沉降的测试标准,是电力防污面临的的新课题。
The summer（June-August）on-line monitored data of the No.27 tower on Dayue 110 kV overhead lines located in the coastal chemical industry zone was analyzed.It was confirmed that the continuous creepage phenomenon in the clean insulators after a heavy rain was caused by immersion of moist dust pollution.Monitoring results showed that,the asynchronism between the leakage current and relative humidity,and the broken line features of leakage current are significant signals of early moist dust pollution.The measurement of ESDD and NSDD are not involved with the moist dust pollution.To study and develop the test standards for moist dust pollution will be the new task for electricity power antipollution.
出处
《电瓷避雷器》
CAS
北大核心
2012年第1期8-13,共6页
Insulators and Surge Arresters
关键词
湿沉降
污秽
相对湿度
泄漏电流
爬电
折线特征
moist dust pollution
pollution
relative humidity
leakage current
creepage
broken line characteristics
