Results 1 to 10 of about 12,623 (215)
Energies, 2023 An analysis of the operating conditions of the traction drives of an electric rolling stock with asynchronous traction motors was conducted. In the process of operation, the electric traction drive with both direct torque control and vector control was ...
Sergey Goolak +5 more
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Engineering Science and Technology, an International Journal, 2023 The improvement of the energy efficiency of an electric locomotive for railway quarry transport with a multi-motor traction electric drive while disconnection of the traction electric motors has been investigated.
Ievgen Riabov +3 more
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Propagation of Disturbances Generated by DC Electric Traction
Energies, 2022 In Poland, rail transport is powered by the electric system with the use of traction substations that supply the electric traction with DC voltage of 3 kV.
Zbigniew Olczykowski, Jacek Kozyra
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State-of-Charge Prediction Model for Ni-Cd Batteries Considering Temperature and Noise
Applied Sciences, 2023 The accurate prediction of the state of charge (SOC) of Ni-Cd batteries is critical for developing battery management systems for high-speed trains. To address the challenges of the large floating charge voltage of Ni-Cd batteries and the vulnerability ...
Haiming Xu +3 more
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High-Voltage Isolated Multiple Output Auxiliary Power Supply with Output Voltage Self-Regulation
Energies, 2022 Power electronic transformers (PETs) have high voltage isolation requirements and a large number of modules, which requires the auxiliary power supply (APS) to achieve high voltage isolation and multiple outputs.
Yu Ai +5 more
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Applied Sciences, 2021 The current and torque ripple of inverter-fed induction motor drives is an inherent problem of control strategies working with switching frequencies in the range of multiple kilohertz, such as direct torque and, more recently, predictive torque control ...
Ondrej Lipcak +3 more
doaj +1 more source
Short-Circuit Fault Current Modeling of a DC Light Rail System with a Wayside Energy Storage Device
Energies, 2022 This paper proposes a simulation model to calculate short-circuit fault currents in a DC light rail system with a wayside energy storage device. The simulation model was built in MATLAB/Simulink using the electrical information required to define a ...
Petru Valentin Radu +3 more
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Energies, 2021 Mathematical models of induction motor (IM) used in direct field-oriented control (DFOC) strategies are characterized by parametrization resulting from the IM equivalent circuit and model-type selection.
Ondrej Lipcak, Filip Baum, Jan Bauer
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Sensorless control of synchronous motor drive with forced dynamics
Communications, 1999 Acontrol method for electric drives employing synchronous motors with forced closed-loop dynamics is presented. The prescribed response to the reference speed demand can be chosen as direct acceleration control, linear first order and second order speed ...
Ján Vittek +2 more
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IEEE Access, 2021 Although still widely used due to its robustness, reliability, and low cost, induction motor (IM) has a disadvantage of more complicated mathematical description than permanent magnet AC machines.
Ondrej Lipcak, Jan Bauer
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