Results 51 to 60 of about 21,616 (203)

Energy scheduling algorithm for urban rail active traction power supply system

open access: yes机车电传动, 2022
To promote intelligent application of bidirectional converters in active power supply, the mathematical model and scheduling control strategy were studied in this paper.
ZHANG Chao   +5 more
doaj  

Design of drive and control system of 4-quadrant converter for traction shearer

open access: yesGong-kuang zidonghua, 2016
The paper designed a new drive and control system of 4-quadrant converter for traction shearer according to index requirements of 4-quadrant converter of shearer, and introduced design of hardware circuit and software implementation of the system.
DENG Yonghong, CAO Haokun, ZHANG Quanzhu
doaj   +1 more source

On the constitution of the snubbermodule protection IGB-transistor converters [PDF]

open access: yes, 2014
Рассмотрены возможные причины возникновения и развития аварийных режимов функционирования тяговых электроприводов. Обоснована необходимость исследований и оценки критериев комплекса защит модулей тяговых IGB-преобразователей от нештатных режимов ...
Будников, Всеволод Николаевич   +3 more
core  

Combined electric applications in transport [PDF]

open access: yes, 2008
Maximizing the efficiency in transport vehicles will be a necessity. This may be realized by introducing a power electronic conversion between the Internal Combustion Engine (ICE) and the wheels. Hence the ICE may be used at its maximal efficiency point.
Van den Bossche, Alex
core   +1 more source

New trends in active filters for improving power quality [PDF]

open access: yes, 1995
Since their basic compensation principles were proposed around 1970, active filters have been studied by many researchers and engineers aiming to put them into practical applications.
Akagi, Hirofumi
core   +1 more source

Research on the Permanent Magnet Synchronous Motor Drive Systemfor High-speed EMUs

open access: yes机车电传动, 2016
To achieve high energy-efficiency of high-speed EMUs, PMSM traction system for high-speed EMUs was developedbased on CRH380A technical platform. Overall technical parameters, traction characteristic curve design, main circuit of traction system,main ...
Feng Jianghua
doaj  

Predictive control for energy management in all/more electric vehicles with multiple energy storage units [PDF]

open access: yes, 2003
The paper describes the application of Model Predictive Control (MPC) methodologies for application to electric and hybrid-electric vehicle drive-train formats incorporating multiple energy/power sources.
Bingham, Chris, Schofield, N, West, M J
core  

AC Drive System of Macedon EMUs

open access: yes机车电传动, 2017
The main components and their parameters of AC drive system of the exported Macedon EMUs were introduced. The technical characteristics about lightweight design of the traction converter were mainly described, especially from which secondary resonant ...
LIU Haitao, ZHANG Zhibing, GAO Jun
doaj  

Reactivation of contraction in detergent-lysed teleost retinal cones. [PDF]

open access: yes, 1982
Teleost retinal cones contract in the light and elongate in the dark. In the green sunfish, Lepomis cyanellus, the necklike myoid region of the cone contracts from as much as 120 micrometers (midnight dark-adapted) to 6 micrometers in fully light-adapted
BURNSIDE, Beth   +3 more
core   +1 more source

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