MATHEMATICAL DETERMINATION OF BROKEN RAIL SENSITIVITY OF JOINTLESS TRACK CIRCUITS

Mathematical modeling of jointless track circuits is proposed in this article for the purpose of determining the broken rail sensitivity in both the physical track length and the joint area. The article also determines the critical ballast resistances and points which correspond to the worst broken rail sensitivity. Based on the proposed mathematical model and equations, a study of the influence of a number of parameters on jointless track circuits were carried out and the results were analyzed.