基于超声方法的油/纸绝缘典型缺陷PD特性研究

2018 IEEE 2nd International Electrical and Energy Conference (CIEEC) Pub Date : 2018-11-01 DOI:10.1109/CIEEC.2018.8745823

Xin Zhang, Liuyong Qiu, Yanwei Dong, Liqing Liu, Junji Feng, Tiankai Yang

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引用次数: 0

摘要

当油/纸绝缘系统发生局部放电时，会产生超声波信号，从而实现变压器局部放电检测。为了探究油纸绝缘系统局部放电的超声特性，本文研制了一种基于超声方法的局部放电检测平台。基于该平台，对超声信号滤波方法进行了分析，建立了油纸绝缘典型缺陷模型并在实验室进行了测试，获得了典型缺陷的局部放电信号。最后，通过在实际变压器上的应用，验证了本文所获得的波形的准确性及其在故障诊断中的有效性。

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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The PD Characteristics Study of Oil/Paper Insulation Typical Defects Based on Ultrasonic Method

Ultrasonic signal will be generated when a partial discharge occurs in the oil/paper insulation system, thereby enabling partial discharge detection of the transformer. In order to explore the ultrasonic characteristics of partial discharge of oil/paper insulation system, a partial discharge detection platform based on ultrasonic method is developed in this paper. Based on the platform, the ultrasonic signal filtering method is analyzed, and the typical defect model of oil/paper insulation is built and tested in the laboratory, obtaining partial discharge signal of typical defective. Finally, the accuracy of the waveform acquired in this paper and its effectiveness in fault diagnosis are verified by the application on the actual transformer.

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2018 IEEE 2nd International Electrical and Energy Conference (CIEEC)

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