The Application of GIS Partial Discharge Online Monitoring System
With the construction of smart grid,gas insulted switchgear（GIS） in high-voltage electrical equipment which is widely used,promotes the research and development of the smart GIS application demonstration.This article describes the status of GIS substation in recent years,and the problem and the solution faced to GIS partial discharge.Through the example of partial discharge monitoring system in Shanghai 500 kV Jing＇an underground substation,this paper discusses the prospect of application of extra high power equipment based on the ultra high frequency（UHF） technology and the partial discharge（PD） online detection technology in the smart grid.
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