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Partial discharge (PD) detection is an efficient diagnosis method to prevent the failure of electric equipments arising from degrading insulation. A recognition system by PD for Gas Insulated Switch (GIS) through acoustic emission with Time Series Index (TSI) is proposed. This paper provides a nondestructive and online partial discharge monitoring by acoustic emission technology. Through the provided...
Gas insulated switchgear (GIS) has been widely used as main switching equipment in the power substation, because it has good insulation and high reliability. However, if the switchgear is with defect or beyond the server life, the ability of the insulation may be degradation. Therefore, the detecting technology and fault diagnostic method on GIS has become more and more importance. In this paper,...
The study is focused on the partial discharge detection of the gas insulated switch using ultra-high frequency (UHF) method. The radiated electromagnetic wave generated due to internal defect was measured by the self-made ultra-high frequency micro-strip antenna, based on which so as to determine whether if partial discharge will occur. In this article, we make effort in analyzing the exciting, transmission,...
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