Results 11 to 20 of about 39,186 (308)
Development of Urban Electric Bus Drivetrain [PDF]
The development of the drivetrain for a new series of urban electric buses is presented in the paper. The traction and design properties of several drive variants are compared.
Chyský J. +5 more
core +1 more source
Study of the starting modes of the frequency-controlled electric drive of the main electric locomotive DS3 [PDF]
Составлена математическая модель частотно-регулируемого электропривода магистрального электровоза ДС3 с учётом нелинейности характеристики сцепления и особенностей контура скорости имеющего регулятор, настроенный на модульный оптимум.
Кириленко, Ярослав Александрович +3 more
core +1 more source
Feedforward-loop phase-locked loop based estimation scheme for sensorless IPMSM drive system
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
Signal synthesis by means of evolutionary algorithms [PDF]
In this article, we investigate a procedure for generating signals with genetic algorithms. Signals are obtained from elementary patterns characterized by different degrees of freedom.
Jaafar, Amine +2 more
core +4 more sources
Sizing and Energy Management of a Hybrid Locomotive Based on Flywheel and Accumulators [PDF]
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.
Akli, Cossi Rockys +4 more
core +2 more sources
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 Today, the locomotive depot exploit physically and morally outdated locomotives that have low reliability ...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
Evaluation Model of Loop Stray Parameters for Energy Storage Converter of Hybrid Electric Locomotive
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
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]
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

