An integrated diagnostic tool based on PD measurements

A. Cavallini, M. Conti, A. Contin, G. Montanari, G. Pasini
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引用次数: 3

Abstract

A new diagnostic tool based on partial discharge (PD) measurements is presented in this paper. Unlike conventional PD detectors, which record PD pulse height, the tool described is based also on the shape of PD pulses. PD pulses are digitised and recorded in fast RAM banks. The diagnostic tool uses a fuzzy interface to separate firstly PD pulses in classes according to their shape, then applies statistical analysis of PD pulse height and phase on the pulses recorded in each class. A fuzzy logic inference engine is then employed to provide indications on the nature of the defects generating PD. In the paper, a short description of the proposed diagnostic tool is presented along with its application to different insulating systems, i.e., cable joints, cables and high frequency transformers.
基于PD测量的集成诊断工具
提出了一种基于局部放电(PD)测量的新型诊断工具。与记录PD脉冲高度的传统PD探测器不同,该工具还基于PD脉冲的形状。PD脉冲被数字化并记录在快速RAM组中。该诊断工具首先利用模糊接口将PD脉冲按形状进行分类,然后对每一类记录的脉冲进行脉冲高度和相位的统计分析。然后使用模糊逻辑推理引擎来提供关于产生PD的缺陷的性质的指示。本文简要介绍了所提出的诊断工具及其在不同绝缘系统中的应用,即电缆接头、电缆和高频变压器。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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