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This paper deals with the modeling and simulation of the traction system of the VAL subway. The traction system is ensured by two DC machines connected in series. An interleaved inverter is used in order to smooth the ripple of the armature current. A common chopper supplies the interleaved inverter and a double-chopper supplies the field windings. The model of the physical system is modeled using...
The aim of this paper is to propose an Energetic Macroscopic Representation (EMR) of the dynamic model of a traction power substation based on 6- pulse diode rectifier. This model is validated by comparing the wave forms with PSIM169; software. Furthermore, it is applied to the energetic simulation of a subway line by combining the substation model with supply rail and vehicle models. This last part...
The present paper deals with the simulation and control design of the traction system of the VAL subway. The traction system is ensured by two DC machines connected in series. A common chopper supplies the armature windings and a double-chopper supplies the field windings. The novelty consists on modeling the physical system using Bond Graph, a structural formalism, whereas the control structure is...
The aim of this paper is to compare different models of an automatic subway in order to determine the most appropriate of them for the evaluation of the energy consumption of different studied cases (normal mode and fault-modes). Several simplified models are then deduced from a reference dynamical model and are compared in term of accuracy and computation time. A quasi-static model with an equivalent...
In this paper, a trajectory generator based on causal modeling is presented. This strategy is applied to the velocity constraint trajectory generation of an automatic subway. The constraints take into account of passengers comfort by the use of imposed maximum jerk and acceleration values. The proposed velocity generator is enhanced by the use of torque model of the DC machines. The proposed velocity...
An innovative subway has been proposed using super capacitors as the main energy source. Different steps have been defined in order to check the performance of this new supply system on a real subway. In this paper, a reduced-scale hardware-in-the-loop simulation is presented for initial experimental validations on a reduced-power experimental setup. Special attention is paid to reproducing torque,...
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