The Railway Technology Research Centre (CITEF), an institution within the Technical School for Industrial Engineers of the Technical University of Madrid, has carried out the simulation of the electrical traction and medium-voltage distribution systems on Line 4 of São Paulo Metro, in Brazil.
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(18/04/2018)
CITEF used the Hamlet tool, an application developed at the Centre itself, to optimize a study that was divided into five different phases. The first phase focused on the line’s initial operating situation, adding one more station during each of the following phases.
Subsequently the model was developed for the electrical traction system, composed of the traction rectifier substations, the feeders and catenary, and the return and earth system.
To carry out this analysis, for each of the scenarios considered a study was made of the normal functioning of all substations and also of single degraded situations, in which one of the rectifier units fails, and double degradation, in which the entire rectifier substation ceases to be operational, for each of the substations on the line.
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