Results 21 to 30 of about 20,403 (261)

Analysis of Eddy Current Loss of 120-kW High-Speed Permanent Magnet Synchronous Motor

open access: yesMachines, 2022
Pulse width modulation current harmonics and space harmonics are some of the major factors affecting the rotor eddy current loss of the high-speed permanent magnet motor.
Bo Pan   +4 more
doaj   +1 more source

Design of the Joint Motor for an Articulated Robot Considering Joint Load Characteristics

open access: yesEnergies, 2021
In this paper, we propose a method to efficiently design joint motors, which are the key elements that drive a cooperative robot. Designing joint motors with more power than the required capacity increases the volume and weight of the robot. On the other
Ji-Heon Lee   +3 more
doaj   +1 more source

Quantitative Reliability Evaluation of Silicon Carbide-Based Inverters for Multiphase Electric Drives for Electric Vehicles

open access: yesPower Electronics and Drives, 2022
Reliability of power converter in the electric drivetrain of a vehicle can be a criterion for the comparison of various converter topologies, cooling system designs and control strategies. Therefore, reliability prediction is important for the design and
Morya Ajay Kumar, Toliyat Hamid A.
doaj   +1 more source

Thermal Preload for Predicting Performance Change Due to Pad Thermal Deformation of Tilting Pad Journal Bearing

open access: yesLubricants, 2022
Thermal deformation of journal bearings operating under high-temperature conditions can have a significant effect on changes in bearing performance.
Yon-Do Chun   +3 more
doaj   +1 more source

Research on the Influence of Power-Supply Mode and Copper-Shielding Layer on the Loss of Cryogenic Permanent Magnet Motor for LNG Pump

open access: yesEnergies, 2022
In order to study the method for reducing the losses in cryogenic permanent magnet motors for LNG pumps, the design of a submersible cryogenic permanent magnet brushless DC motor is presented in this paper.
Shuqi Liu   +5 more
doaj   +1 more source

State-of-the-art review of railway traction motors for distributed traction considering South Korean high-speed railway

open access: yesEnergy Reports, 2022
This paper presents a critical review of traction motors used for distributed traction (DT) applications in high-speed railways (HSR). The motor topologies that can be used for DT-HSR are presented. The advantages and disadvantages of each motor in terms
Sarbajit Paul   +4 more
doaj   +1 more source

Nonlinear Coordinated Passivation Control of Single Machine Infinite Bus Power System with Static Var Compensator

open access: yesJournal of Modern Power Systems and Clean Energy, 2021
We propose a nonlinear coordinated control of the generator excitation and the static var compensator (SVC) in order to enhance the transient stability and voltage regulation of power system by the passivation approach.
Salma Keskes   +3 more
doaj   +1 more source

Regulation of unbalanced electromagnetic moment in mutual loading systems of electric machines of traction rolling stock and multiple unit of mainline and industrial transport

open access: yesNauka ta progres transportu, 2014
Purpose. The research data are aimed to identify the regulatory principles of unbalanced electromagnetic moment of mutually loaded electric machines of traction rolling stock and multiple unit of main and industrial transport. The purpose of this study
A. M. Afanasov
doaj   +1 more source

High-Torque Electric Machines: State of the Art and Comparison

open access: yesMachines, 2022
The state of the art of high-torque electric motors has been reviewed in this paper. This paper presents a literature review of high-torque density electric machines based on their airgap classifications, which brings a unique consideration to new design
Maryam Alibeik, Euzeli C. dos Santos
doaj   +1 more source

A Power Cable Reference Frame dqn Model for Fundamental Frequency Analysis

open access: yesIEEE Access, 2022
This paper proposes an underground power cable dqn model that can be used for both electric machines analysis and control at or around the fundamental rated power frequencies (50Hz or 60Hz).
Mesaad AlBader   +2 more
doaj   +1 more source

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