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首页> 外文会议>IEEE Conference on Electrical Insulation and Dielectric Phenomena >Broadening the Application of the Quick Flashover Test for RTV Pre-coated Glass Cap-and-pin Insulators Sampled from Service in the Italian Transmission Grid
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Broadening the Application of the Quick Flashover Test for RTV Pre-coated Glass Cap-and-pin Insulators Sampled from Service in the Italian Transmission Grid

机译：扩展了意大利输电网从服务中取样的RTV预涂玻璃盖销式绝缘子的快速闪络测试的应用

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摘要

This paper broadens an investigation relevant to a novel testing procedure developed by TERNA (the Italian TSO) for RTV pre-coated glass cap-and-pin insulators sampled from high voltage overhead lines in service. Some results of the application of this procedure to a first group of RTV insulators taken from HV and EHV overhead lines after some years’ service were reported in previous papers. This paper illustrates the results of the so-called Quick Flashover test performed on a second group of RTV insulators, in order to evaluate the correlation between the flashover voltages obtained with this test and the service time. The outcome is that flashover voltages from the Quick Flashover test tend to decrease as service years increase, thus such flashover voltages can serve as a prospective diagnostic quantity to assess the aging of RTV insulators on duty.
机译：本文扩大了与TERNA（意大利TSO）开发的一种新颖测试程序相关的研究范围，该程序用于从使用中的高压架空线上采样的RTV预涂玻璃帽盖式引脚绝缘子。先前的论文报道了将这种方法应用于从HV和EHV架空线路经过数年服务后的第一组RTV绝缘子的结果。本文说明了在第二组RTV绝缘子上进行的所谓快速闪络测试的结果，目的是评估通过该测试获得的闪络电压与使用时间之间的相关性。结果是，随着工作年限的增加，快速闪络测试产生的闪络电压趋于降低，因此，此类闪络电压可作为评估RTV绝缘子在职时的老化的预期诊断量。

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