Research on Defect Detection of Insulation Piercing Connector (IPC) Based on UHF Partial Discharge

2020 IEEE 3rd International Conference on Dielectrics (ICD) Pub Date : 2020-07-05 DOI:10.1109/ICD46958.2020.9341836

Haihong Li, Dingfang Ke, Heng-hao Ma, Qingyin Chen, Hanlei Sun, Jin Li, X. Kong, B. Du

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Abstract

Insulation piercing connector (IPC) is widely used as a link fitting for the insulated conductor in distribution network. However, there are most accidents in recent years due to installation, operation, etc. In this paper, the structure of the IPC is analyzed. The IPCs with the typical defect were prepared, including the insufficient contact force, the loose connection, the grease loss, the dampness, and the overload operation and the experimental platform based on UHF partial discharge was built. Obtained results show that the standard installed IPC has the obvious partial discharge, whose amplitude can reach 110 mV and discharge mainly concentrates on the alpha and the gamma quadrant. The defects obviously increase the PD amplitude and have a great influence on the PD characteristic, including the discharge quadrant, times and PRPS. In actual operation, this detection method could be adopted to diagnose the IPC with defect to prevent failure and improve power supply reliability.

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基于超高频局部放电的绝缘穿孔式连接器缺陷检测研究

绝缘穿通连接器(IPC)是配电网中广泛使用的绝缘导体的连接件。然而，近年来由于安装、操作等原因造成的事故居多。本文对IPC的结构进行了分析。制备了具有接触力不足、连接松动、失脂、受潮、过载等典型缺陷的接触网，搭建了基于UHF局部放电的实验平台。结果表明，标准安装的工控机存在明显的局部放电现象，放电幅度可达110 mV，放电主要集中在α和γ象限。缺陷明显增大了放电幅值，对放电象限、放电次数和PRPS等放电特性有较大影响。在实际运行中，可采用该检测方法对有缺陷的工控机进行诊断，防止故障发生，提高供电可靠性。

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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2020 IEEE 3rd International Conference on Dielectrics (ICD)

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