Results 11 to 20 of about 1,682 (163)

Methodology of testing and optimal setting of an asynchronous traction drive for electric vehicles

open access: yesMATEC Web of Conferences, 2018
This paper presents a methodology of tests of traction asynchronous drives applied in electric vehicles. It is similar to Urban Driving Cycle ECE-15 (UDC).
Dimitrov Vasil
doaj   +2 more sources

Study of the asynchronous traction drive's operating modes by computer simulation. Part 2: simulation results and analysis [PDF]

open access: yesTransport Problems, 2015
The problem arising at the design of electric locomotives with asynchronous traction drive are considered. The electrical scheme provides the possibility of individual (by axle) control of traction motors.
Pavel KOLPAHCHYAN, Alexander ZARIFYAN Jr
doaj   +2 more sources

Traction asynchronous electric drive of mine electric locomotivesimulation model structure improvement

open access: yesЗаписки Горного института, 2021
The article discusses the solution to the problem of underground railway transport slipping in dynamic modes, which occurs when there is a significant difference in the speeds of the driving and driven pairs of wheels.
Stanislav V. Borisov   +2 more
doaj   +2 more sources

Study of the asynchronous traction drive's operating modes by computer simulation. Part 1: Problem formulation and computer model [PDF]

open access: yesTransport Problems, 2015
In this paper, the problems arising from the design of electric locomotives with asynchronous traction drive (with three-phase AC induction motors) are considered as including the debugging of control algorithms.
Pavel KOLPAHCHYAN, Alexander ZARIFYAN Jr
doaj   +2 more sources

SELECTION OF RATIONAL PARAMETERS OF THE NOMINAL MODE ELECTRIC TRAINS WITH ASYNCHRONOUS TRACTION DRIVE

open access: yesNauka ta progres transportu, 2017
Purpose. Parameters of the nominal mode are related to the most important performance indicators of traction means, therefore, the problems of choosing their optimal values always inevitably arise when forming technical requirements for a new rolling ...
H. K. Hetman, S. L. Marikutsa
doaj   +2 more sources

Optimization of Traction Electric Drive with Frequency Control

open access: yesWorld Electric Vehicle Journal
Traction motors in electric transport are most often synchronous permanent magnet motors (PMSMs). Induction motors (IMs) have large dimensions and stator current amplitudes under comparable loads.
Vladimir Kodkin   +2 more
doaj   +2 more sources

Investigation of the Influence of Filter Approximation on the Performance of Reactive Power Compensators in Railway Traction Drive Systems

open access: yesApplied Sciences
In reactive power compensators applied in drives with asynchronous motors, a control strategy focusing on the compensation of higher-order current harmonics is implemented.
Rolandas Makaras   +2 more
doaj   +2 more sources

Experimental Research of Energetic Efficiency of Electric Locomotive Asynchronous Traction Drive at Changing Load

open access: yesBulletin of scientific research results, 2023
Purpose: As electric locomotives work in changing load conditions, the question on how traction drive energetic efficiency indicators depend on being realized capacity has important meaning. The task is set to get in the course of experimental research —
A. Zarif'yan, Pavel Kolpahch'yan
semanticscholar   +1 more source

NORMS AND METHODS FOR DETERMINING THE ELECTROMAGNETIC COMPATIBILITY OF MODERN AUTOMATIC LOCOMOTIVE SIGNALING SYSTEMS AND ELECTRIC ROLLING STOCK WITH AN ASYNCHRONOUS TRACTION DRIVE ON THE SUBWAY

open access: yesAutomation on Transport, 2021
The article provides a brief overview of the development and application of automatic control systems for subway trains. Modern automatic locomotive signaling systems featuring automatic speed control with signal transmission based on double-phase-diff ...
A. G. Kabetsky, A. Manakov
semanticscholar   +1 more source

Increasing the energy efficiency of auxiliary machines of AC electric locomotive

open access: yesВестник Научно-исследовательского института железнодорожного транспорта, 2021
Currently, an asynchronous variable frequency drive based on semiconductor converters is widely used due to the relative simplicity and reliability of the design.
Yu. M. Kulinich   +2 more
doaj   +1 more source

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