Results 1 to 10 of about 22,892,304 (189)

Analysis of and Experimental Research on a Hydraulic Traction System Based on a Digital Hydraulic Transformer. [PDF]

open access: yesSensors (Basel), 2022
In this study, we designed a new type of digital hydraulic transformer using four gear–pump/motor units with a displacement ratio of 20:21:22:23 and two control valve groups that consist of four solenoid directional valves. The driving gear shafts of the
Li W   +5 more
europepmc   +2 more sources

Review on the Traction System Sensor Technology of a Rail Transit Train. [PDF]

open access: yesSensors (Basel), 2017
The development of high-speed intelligent rail transit has increased the number of sensors applied on trains. These play an important role in train state control and monitoring. These sensors generally work in a severe environment, so the key problem for
Feng J, Xu J, Liao W, Liu Y.
europepmc   +2 more sources

Stability Mechanism Analysis of Traction Power System and Traction Drive System

open access: yes机车电传动, 2021
In view of the frequent occurrence of tripping in a domestic passenger dedicated line traction substation, which brought safety hazards to the normal operation of the power supply system and the high-speed trains.
Huazhi ZHANG   +4 more
doaj   +1 more source

Electric Traction Emulator System

open access: yesIEEE Access
This paper addresses the need for advanced research facilities to investigate electric traction systems, particularly control strategies, in the context of the increasing adoption of electric vehicles (EVs).
F. Perez Carmona   +5 more
doaj   +2 more sources

A Methodology for High-Power Drives Emulation Using a Back-to-Back Configuration

open access: yesIEEE Access, 2022
Validation of high-power converters at the development stage often cannot be performed using the real load. A testbench consisting of the Equipment Under Test (i.e., tested power converter) and an auxiliary power converter, preferably using power ...
Fernando Briz   +6 more
doaj   +1 more source

Power-Hardware-in-the-Loop Emulation of the Low-Frequency Oscillation Phenomenon in AC Railway Networks

open access: yesIEEE Access, 2022
Dynamic interactions among the AC railway traction network and power electronics converters feeding the trains have been reported to cause low-frequency oscillations (LFO) of the catenary voltage and current. This can result in railway system instability,
Frutos-Galarza Paul   +6 more
doaj   +1 more source

Coordinated Control Strategy of Railway Multisource Traction System With Energy Storage and Renewable Energy

open access: yesIEEE transactions on intelligent transportation systems (Print), 2023
Influenced by the growing daily travel demand of citizens and extension of urban land, the construction of the urban railway transit (URT) system is gradually increasing nowadays.
Hongzhi Dong   +4 more
semanticscholar   +1 more source

Design of Induction Motors With Flat Wires and Copper Rotor for E-Vehicles Traction System

open access: yesIEEE transactions on industry applications, 2023
This paper deals with the design of a 200 kW/ 370 Nm, induction machine for electrical vehicles traction system. The design aims to enhance the performance of the current induction machine technology for mass production making it suitable to be a rare ...
Mircea Popescu   +5 more
semanticscholar   +1 more source

Deep PCA-Based Incipient Fault Diagnosis and Diagnosability Analysis of High-Speed Railway Traction System via FNR Enhancement

open access: yesMachines, 2023
In recent years, the data-driven based FDD (Fault Detection and Diagnosis) of high-speed train electric traction systems has made rapid progress, as the safe operation of traction system is closely related to the reliability and stability of high-speed ...
Yunkai Wu, Xiangqian Liu, Yang Zhou
semanticscholar   +1 more source

Research on Networked Traction Power Supply System and Its Optimal Dispatching Strategy

open access: yesKongzhi Yu Xinxi Jishu, 2023
Train regenerative braking energy accounts about 10%~30% of the total traction energy, and its efficient utilization is of great importance to building green and low-carbon railway traction power supply system.
LI Hongbo   +6 more
doaj   +3 more sources

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