고장전류 크기에 따른 AT 흡상전류비 특성 분석

초록

In order to compare the fault location estimation error according to the fault current magnitude, this paper compares fault location estimation error of the AT boosting current ratio technique by changing the size of the fault resistance affecting the fault current. For this, we modeled the AC traction power supply system using a power analysis program(PSCAD/EMTDC) and analyzed AT booting current ratio according to the fault current magnitude.