Abstract
Simulation tools are essential for designing and sizing the infrastructure and operation of electrical railway systems. With the advent of innovative solutions to save energy, the accuracy of estimates of energy consumptions and voltages must be increased, while keeping fast computing capabilities. Due to the numerous non-linearities of this kind of system, complex iterative solvers are often used. However, a new simulation technique based on switched models for the different subsystems has recently been developed for conventional DC traction systems with non-reversible traction power substations (TPS). This technique avoids the use of complex numerical solvers. This paper extends this simulation approach to include reversible TPS using Energetic Macroscopic Representation (EMR). Simulations are carried out and an energy saving of 7 % on the total energy consumption is allowed by the reversible TPS for the studied case.
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