AF궤도회로의 전기적 구분 장치 설치이전에 따른 커패시터 보상으로 LC공진 주파수 대역의 전압특성 분석

Abstract

This paper analyzes the electrical characteristic such as the impedance(Z), inductance(L), and cable resistance(RSUBp/SUB) according to the change of cable length in order to move the electrical sorting device for distinguishing between AF non-insulated track circuits from the center of railway to outside railway. The simulation is performed to check the voltage difference between the voltage of sender and the voltage of receiver and determine the possibility of the voltage restoration availability in the frequency filter band through the capacitor compensation. It was applied to the results of the simulation to the sorting devices installed in the actual field. It is proved the availability by checking the measured voltage characteristic according to the capacitor compensating change of 10 ㎌ and 16 ㎌ before, and after the length of cable is increased with 6 meters. Through this, the prevention of breakdown and damage to facilities and the prevention the safety-related accidents of line workers from the train are expected according to moving the sorting devices of AR non-insulated track circuits to outside railway.