Development of a simulator to analyze rail potential rise and leakage current in DC traction power supply system

초록

Abstract : An algorithm and a software are developed for the analysis of rail potential rise and leakage current. Rail potentials are obtained by two step process. First the injection currents to the negative rail are obtained from load-flow study. In the next step, a network consisting of negative rail and the injection currents are constructed. Leakage resistance to ground are added to the network. And the network is analyzed for rail potentials. A software is developed to verify the validity of the algorithm. The software is tested on the test system. The results are compared with EMTP study result to get the practically identical results.