Publications and Research
Document Type
Article
Publication Date
Fall 2017
Abstract
This paper aims at determining the influential factors affecting regenerative braking energy in DC rail transit systems. This has been achieved by quantitatively evaluating the dependence of regenerative energy on various parameters, such as vehicle dynamics, train scheduling, ground inclination and efficiency of the electrical devices. The recuperated power and energy have been presented by a mathematical model, comprising of a set of empirical forms, which allows for thorough analysis. A detailed simulation model of a typical DC-traction system has been developed to validate the developed empirical forms. The results verified the validity of the proposed mathematical model, and demonstrated the significance of the examined parameters on the regenerative power and energy of a train during a complete cycle. Knowledge of the parameters impacting the magnitude of regenerative energy should maximize the potential of harnessing regenerative energy.
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