摘要
概述了现今绝缘子污秽度检测方法的优缺点,提出泄漏电流是污闪预测中最为重要和科学的参量。分析了泄漏电流特征量提取的时域和频域的各种有效方法,及各方法的优点和局限性。结合绝缘子的污秽特点,指出了今后绝缘子污秽检测方法的研究方向和重点是应建立基于泄漏电流的多参量的综合预警模型。
The merits and faults of the actual measuring ways of contamination degree of insulators are summarized in this paper; it has been shown that leakage current is the most important and scientific parameter during the contamination flashover forecast. All kinds of effective methods and their merits and faults are studied in extracting the characteristic of leakage current in time domain and frequency domain. Combining the contamination feature of insulators, it is indicated that the emphasis of measuring ways studied is to establish the integrative prewarning model with more parameters based on leakage current.
出处
《广东电力》
2007年第6期1-4,15,共5页
Guangdong Electric Power
关键词
绝缘子
污秽度检测
污闪
预警
泄漏电流
insulator
contamination degree measuring
pollution flashover
prewarning
leakage current
