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Partial discharges (PDs) are small electrical sparks that can occur in insulation systems in high-voltage equipment, and if it is kept for a long time, electric equipment and power grid will become very dangerous. Switchgears are the key equipment in the distribution power network. In this paper, by using artificial defect models in the laboratory, partial discharge test experiments based on transient...
Partial discharge (PD) detection is the important research topic in the safe operation of electric equipment and power grid. Experimental investigation of partial discharge detection was carried out in a 12kV switchgear by Ultra-High-Frequency (UHF) method. Two kinds of typical artificial fault models, namely suspended-metal model and voids-in-dielectric model were used as discharge sources. The UHF...
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