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EMTP를 이용한 GIS내 부분방전 펄스의 감쇠특성 해석
이도훈(Do-Hoon Lee),김재철(Jae-Chul Kim),송승엽(Seung-Youp Song),신중은(Jung-Eun Shin),노광현(Kwang-Hyun Noh),김광화(Kwang-Whoa Kim) 한국조명·전기설비학회 2003 한국조명·전기설비학회 학술대회논문집 Vol.2003 No.-
The principle of the ultra-high frequency (UHF) method to detect partial discharge(PD) in GIS is to measure the UHF electromagnetic waves excited by PD pulses. Such electromagnetic waves propagate along the GIS busbar in the TEM-mode, TE-mode, TM-mode. And the coaxial busbar of the GIS acts as a waveguide in which the UHF electromagnetic waves travel. This paper was studied the analysis on damping characteristic of electromagnetic waves excited by PD in GIS and presented the method to yield the cutoff frequency for determine the minimum band of sensor that detect the PD pulse.