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机车电传动, Pp 1-10 (2026)
ISSN 1000-128X · Editorial Department of Electric Drive for Locomotives · 2.239 artikel di indeks
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Artikel Jurnal
Study on LQR lateral semi-active control of 25T passenger coach considering adaptive compensation
To improve the lateral stability performance of 25T passenger coaches during operation, a simulation analysis was conducted based on the Linear Quadratic Regulator (LQR) strategy of secondary lateral dampers. The study examined the impact of LQR control on the vehicle's lateral stability…
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Artikel Jurnal
Battery sorting method for EMU based on increment capacity analysis
The inconsistency of nickel-cadmium batteries in electric multiple units (EMUs) has a significant impact on train performance. It not only hinders the accurate evaluation of the state of charge and fault diagnosis of the battery packs but also exacerbates the uneven performance of the batteries. To…
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Artikel Jurnal
Analysis and countermeasures of influence of electric locomotive on-load running on power quality of urban rail vehicles
To address the engineering challenge that induced voltage generated by electromagnetic coupling between AC OCS and DC urban rail power supply OCS during parallel laying poses threats to personnel safety and disturbs vehicle operation, this study focuses on the Lvshun test loop of Dalian Locomotive…
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Artikel Jurnal
Study of aerodynamic noise for metro trains running in tunnels at 140 km/h based on large eddy simulation
Aerodynamic noise of intercity metro trains running at 140 km/h will affect passenger comfort. This study examines the aerodynamic force and noise of a fast metro train running at 140 km/h in tunnels. A detailed 1:20 scale metro train model was meshed and simulated using STAR-CCM+ simulation…
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Artikel Jurnal
Research on mechanical flux weakening performance of permanent magnet synchronous motors based on sliding magnetic bridges
To address the increased heating and vibration caused by the inability to regulate the magnetic field of permanent magnet synchronous motors (PMSMs) used in rail transit under fault conditions, this paper proposes a magnetic-field-adjustable PMSM based on a sliding magnetic bridge according to the…
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Artikel Jurnal
Analysis and research on commutation of simplex wave windings of permanent magnet DC motors
In the analysis of DC motor commutation, if the effects of armature reaction and leakage flux are not considered, the commutation of elements shall occur in the geometric neutral zone of the main magnetic field. However, during actual operation, the main magnetic field also significantly influences…
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Artikel Jurnal
Research on impact of potential insulation faults in variable frequency motors on voltage waveforms
To investigate potential fault prediction methods for variable frequency motors, this paper takes a traction motor driven by a two-level frequency converter as the research object, and studies the influence rule of different insulation resistance values and fault locations on the phase-to-ground…
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Artikel Jurnal
Research on temperature field prediction technology for traction systems based on hybrid DNN
Since the temperature changes of various components in a traction system exhibit nonlinear dynamic pattern, a one-dimensional modeling method is difficult to simultaneously obtain the spatial distribution patterns and long-term dependencies of temperature fields. A temperature field prediction…
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Artikel Jurnal
Smart bearing technology for traction motors
Smart bearing technology effectively overcomes the issues of signal attenuation and environmental noise interference commonly encountered by conventional external sensors during the monitoring of bearing condition of traction motors. This paper presents the design and development of a…
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Artikel Jurnal
Data and model driven dynamic stiffness testing method for rolling bearings and experimental study
The dynamic stiffness of traction motor bearings directly affects the dynamic performance and operational stability of rail transit rotor systems. To address the limitations of existing testing methods in balancing multi-condition measurement and nonlinear feature extraction, this paper proposes a…
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Artikel Jurnal
Design of a permanent magnet direct-drive traction motor for torpedo cars
To address the issues of low system efficiency and complex structure in traditional asynchronous systems for torpedo cars in the metallurgical industry, this paper proposes a scheme using a direct-drive permanent magnet synchronous motor (D-PMSM) that is fully enclosed and relies entirely on…
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Artikel Jurnal
Analysis methods for dynamic characteristics and fatigue life of rolling bearing cages
The service performance of rolling bearings, as a kind of core fundamental component in rail transit equipment, directly impacts the operational safety of the equipment. The rolling bearing cages, as weak components within the bearings, are highly susceptible to deformation, wear, and fatigue…
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Artikel Jurnal
Design and study of 3.3 kV SiC MOSFET drivers
This paper analyzes the electrical characteristics of 3.3 kV SiC MOSFET drivers and reviews the studies on existing SiC drivers. Furthermore, it presents a design scheme for high-voltage SiC drivers, and highlights the key differences between SiC drivers and traditional IGBT drivers. A 3.3 kV SiC…
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Artikel Jurnal
Narrow-gauge and high-power AC transmission diesel locomotives exported to Sierra Leone
With the continuous increase in annual mining output at the New Tonkolili Iron Ore Mine in Sierra Leone, the existing locomotives can no longer meet operational requirements. To address this issue, this paper proposes to develop and export narrow-gauge high-power AC transmission diesel locomotives…
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Artikel Jurnal
Cooling structure optimization and temperature field simulation of asynchronous motor
In order to make the motor temperature rise meet the insulation design requirements, this study takes a 6 000 kW asynchronous motor as its object of study. Based on the original model, a structural optimization model of the motor cooling air path was proposed, a numerical calculation model of the…
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Artikel Jurnal
Research on calculation method of junction temperature fluctuations in traction inverters based on SVPWM
The junction temperature of power devices is the key factor to evaluate the service life and reliability of traction inverters. In the long-term mission profile, the frequency fluctuation of the output fundamental frequency junction temperature cannot be ignored. In order to evaluate the junction…
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Artikel Jurnal
Remaining life prediction of rail transit motor bearings based on auto-encoder and random forest
Life prediction of rolling bearings in rail transit traction motors faces challenges such as scarcity of fault samples and difficulty in lifecycle data acquisition. To address these issues, this paper proposes a method for predicting remaining useful life (RUL) of bearings by integrating an…
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Artikel Jurnal
Demagnetization test and research on thermal stability of Sm2Co17 permanent magnets for motors
To address the demagnetization issues of permanent magnet materials under operational conditions, this paper investigates the magnetic property aging law of samarium-cobalt (Sm2Co17) magnets under high temperature, vibration, thermal shock, and high-temperature coupled demagnetizing fields. The…
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Artikel Jurnal
Temperature field analysis of linear traction motors based on equivalent magnetic-thermal network coupling
In modern rail transit systems such as maglev trains, metros, and light rails, linear traction motors exhibit significant technical advantages over conventional rotary motors. Their core innovation lies in eliminating intermediate transmission components such as gearboxes, thereby improving system…
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Artikel Jurnal
Design of electric drive system for the DWL-32 continuous dual-sleeper tamping and stabilizing vehicle
Current diesel-hydraulic/hydrodynamic drive systems for tamping and stabilizing vehicles suffer from high energy consumption, lagging torque response, low working efficiency, and inconvenient maintenance. This paper addresses these issues in the context of the DWL-32 continuous dual-sleeper tamping…
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