Annotation:
The research is about operational traction-energy effectiveness of freight
cargo locomotives in one of railway areas of Uzbek railways. The research results
are based on theory of locomotive tractions method, according to parameters of
triple unit 3ВЛ80С freight cargo electric locomotives in nonstop and stoppage
modes in intermediate stations, passing tracks, and separate points in operating
Marоkand – Kattakurgan railway area of Samarkand – Navоi – Bukhara direction
of «Uzbekiston railways» JSC. Whereas, research methods include design of
mathe matical model of freight trains operation by above mentioned electric locomotives
in operating railway area, furthermore, conducting series of traction calculations
for different conditions of organization of freight cargo in the given railway
area. The results of freight train kinematics parameters and indicators of tractionenergy
effectiveness of researched freight cargo 3ВЛ80С electric locomotives on
above-mentioned two types of train operation modes, which are organized in railway
hauls of Marоkand – Kattakurgan railway area are given in forms of table,
graphic dependency, and regression equation. The regression equation is intended
to calculate the averaged value of kinematics and energy (in terms of amount and
money) parameters of main operating effectiveness indicators of tested electric
locomotives in the given Marоkand – Kattakurgan railway area of Uzbek railways
considering any i train weight of freight train with adequate approximation value.
Practical importance of research results is defi ned by the perspective of indispensable
use by heat-engineering train-coaches, specialists of line locomotive sector, and other structural units of «Uzbekiston railways» JSC, because, professional
and production activity of the these units are immediately and directly depends
on organization of railway transit and points of electric energy traction effi ciency
of trains.
Key words:
intermediate station; freight train; separate point; freight cargo electric locomotive;
railway track; rolling stock; railway area; kinematic parameter; graphic dependency;
energy parameter; theory of locomotive tractions; electric energy; uzbek
railway