• COMPARISON OF TECHNICAL CAPABILITIES VARIOUS SERIES OF LOCOMOTIVES OF THE MONGOLIAN RAILWAYS BASED ON MATHEMATICAL MODELING

G. BUREN-ITGEL, V. A. PRECHISSKI, G. MUNKHSAIKHAN*

Abstract


The current article revises a full locomotive’s mathematical model, including the power regulator of the traction generator, transition processes during reswitching of master controller, traction generator and dynamic processes. Based on the suggested model, the 2TE116UM and 2TE10MK locomotive types are being compared. Those locomotives are commissioned at the Ulan Bator railway due to the renewal of locomotive fleet. Modeling of locomotive velocity demonstrated that, regardless of their supreme power parameters, the 2TE10MK locomotive has a lower thrust, thus, a lower velocity on higher gear positions. Nevertheless the economical parameters of 2TE10MK operation (fuel and oil consumption, failure rates) are more advantageous. Recommendations on rational selection of locomotive for Ulan Bator railroad are suggested based on analyzing the modeling results of the traction electric motor as well as the dynamic processes enhanced by all necessary traction calculations.


Keywords


Modeling of locomotive, traction calculation, crankshaft.

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