Development and application of PD spatial location system in distributing substation Online publication date: Mon, 19-Dec-2022
by Fang Peng; Hongyu Zhou; Xiaoming Zhao
International Journal of Computer Applications in Technology (IJCAT), Vol. 69, No. 3, 2022
Abstract: Partial discharge is an important cause of insulation deterioration of distribution network equipment. Owing to the variety of distribution network equipment, the location of discharge source is always a technical difficulty in engineering. In this paper, through the research of UHF PD spatial location technology, a system for spatial location of discharge source in distribution room is developed. The UHF sensor, acquisition and processing module and analysis and diagnosis module for the location of discharge source in distribution room are designed. The results of laboratory test and actual operation show that the system has the advantages of high detection sensitivity, high location accuracy and high operation reliability. It can be used for effective monitoring and timely warning of PD defects in distribution room, which helps to improve the power supply reliability of distribution network system.
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