Abstract
Hybrid Electric Vehicle (HEV) is considered as the most promising solution to overcome energy crisis and air pollution. To insure an improvement of the vehicle performance and a decrease of pollutant emissions, the design of its powertrain components is necessary. In a project of a hybrid locomotive, the studied railway powertrain admits a diesel engine as a primary source. In this paper, a dynamic model of a Naturally-Aspirated Engine using Energetic Macroscopic Representation (EMR) is presented. To deliver the produced mechanical power to a central Direct Current (DC) bus, a salient pole synchronous machine EMR model is also presented. From EMR models, the Maximum Control Structure (MCS) and then a Practical Control Structure (PCS) to locally control the diesel driven generator set are implemented. In addition to control the power delivered by the system, consumption and CO2 gas emissions estimations are obtained from these models.
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