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Ultra-high-frequency (UHF) technique for detecting partial discharge (PD) phenomenon is a useful method to avoid insulation accidents in gas insulated switchgear (GIS). However, the circumferential angle position of UHF Sensor in GIS has a great effect on the PD detection, which has not been investigated sufficiently. To deeply investigate the propagation characteristics of UHF signal and improve...
Using ultra-high-frequency (UHF) method in practical partial discharge (PD) detection can be affected by the positioning and placement of the UHF sensor. This in turn can affect the PD diagnosis. To ensure optimal performance of the sensor and understand the propagation process of electromagnetic (EM) wave, there is a need to fully analyze how the sensor??s placement affects the output signal and...
For detecting partial discharge (PD) phenomenon in gas insulated switchgear (GIS), ultra-high-frequency (UHF) method, which detects electromagnetic wave (EM wave) in UHF band with good immunity to noise, has been widely employed to avoid insulation accidents. In order to deeply understand the propagation process of EM wave and improve the utilization of the UHF method, it is necessary to investigate...
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