Author(s)

R.J. Hill

Abstract

Research at the University of Bath on modelling and simulation of electric traction systems has led to the derivation of an accurate electric circuit model of rail track and traction line. This paper describes the application of that model for the simulation of systems in which the track is the transmission medium. The studies include track signalling system operation, DC and AC traction power line voltage regulation and the prediction of electromagnetic interference between traction power, drives and signalling systems. 1 Introduction Simulation of railway traction systems is necessary to optimise and verify designs in the planning stage, to assist the adjustment of systems during installation and to adapt and further develop existing de

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