High electromagnetic-interference immunity ability can be obtained in the on-line detection of partial discharges(PD)in gas-insulated-switchgear(GIS) by sensing the electro-magnetic signals electrically in UHF band Produced by the PD.

• 特高频(UHF)电磁波信号传感用于气体绝缘组合电器(GIS)的局部放电在线检测能够获得很好的抗干扰效果.