Results 11 to 20 of about 960,219 (313)

SDD6 Diesel-electric Locomotive Exported to Zimbabwe

open access: yes机车电传动, 2011
SDD6 diesel-electric locomotive is used for freight and passenger transport of national railways in Zimbabwe. This article introduced the main technic characteristics, general layout, technic parameters of the locomotive, and so on.
李新华, 胡涛
doaj   +2 more sources

A Systemic Approach Integrating Driving Cycles for the Design of Hybrid Locomotives [PDF]

open access: yes, 2013
Driving cycles are essential in hybrid locomotive design by conditioning their size and performance. This paper introduces a new systemic approach to hybrid locomotive design, taking real-world driving cycles into account.
Jaafar, Amine   +2 more
core   +1 more source

INFLUENCE OF ROLLING STOCK VIBROACOUSTICAL PARAMETERS ON THE CHOICE OF RATIONAL VALUES OF LOCOMOTIVE RUNNING GEAR

open access: yesNauka ta progres transportu, 2016
Purpose.The success of the traffic on the railways of Ukraine depends on the number and the operational fleet of electric locomotives. Today, the locomotive depot exploit physically and morally outdated locomotives that have low reliability ...
Yu. V. Zelenko   +2 more
doaj   +1 more source

Sizing and Energy Management of a Hybrid Locomotive Based on Flywheel and Accumulators [PDF]

open access: yes, 2009
The French National Railways Company (SNCF) is interested in the design of a hybrid locomotive based on various storage devices (accumulator, flywheel, and ultracapacitor) and fed by a diesel generator.
Jaafar, Amine   +5 more
core   +1 more source

Evaluation Model of Loop Stray Parameters for Energy Storage Converter of Hybrid Electric Locomotive

open access: yesIEEE Access, 2020
When the silicon carbide (SiC) power module is applied to the energy storage converter of a hybrid locomotive, under the action of di/dt and loop stray inductance, it is easy to produce excessively high voltage overshoot, which affects the battery life ...
Yunxin Fan   +6 more
doaj   +1 more source

Feedforward-loop phase-locked loop based estimation scheme for sensorless IPMSM drive system

open access: yese-Prime: Advances in Electrical Engineering, Electronics and Energy, 2023
The existence of mechanical speed sensors brings challenges of system reliability. Therefore, drives without speed and position sensors attract much popularity in interior permanent-magnet synchronous motor (IPMSM) drive system. This paper provides a new
Wang Li, Jixiong Jiang, Junwen Mu
doaj   +1 more source

On the issue of increasing operational energy efficiency of eight-axle passenger DC electric locomotives

open access: yesВестник Научно-исследовательского института железнодорожного транспорта, 2021
Mass of a passenger train and, accordingly, number of cars in its composition is selected based on the amount of passenger traffic on the section, determined by the seasonal demand for transportation in each direction.
I. N. Nikonchuk
doaj   +1 more source

Fatigue research of metro car body based on operational loads [PDF]

open access: yesRailway Sciences
Purpose – The principle of infinite life design currently directs fatigue resistance strategies for metro car bodies. However, this principle might not fully account for the dynamic influence of operational loads and the inevitable presence of defects ...
Xihong Jin, Feng Guo
doaj   +1 more source

Junction Temperature Control of a Traction Inverter Based on Three-Level Active Neutral Point-Clamping

open access: yesEnergies
In this study, we propose an active junction temperature control method specifically tailored for traction inverters based on active neutral point-clamped (ANPC) three-level topology.
Haitao Liu   +4 more
doaj   +1 more source

Traction capabilities of a dual-voltage electric locomotive 2EV120 on the West Siberian Railway

open access: yesMATEC Web of Conferences, 2018
The paper discusses the traction parameters of an electric locomotive of a new generation. The existing schemes of sections served by electric locomotives and locomotive crews at the studied railway operating domain are presented.
Domanov Kirill   +2 more
doaj   +1 more source

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