Results 71 to 80 of about 590,444 (192)

THE THYRISTOR CONVERTER INFLUENCE ON THE PULSATIONS OF THE ELECTROMAGNETIC TORQUE OF THE INDUCTION MOTOR AT PARAMETRICAL CONTROL

Electrical engineering & Electromechanics, 2017
Purpose. The purpose of the work is to identify the parameters influence of the electric motor, the power circuits elements of the converters, built on resistor-thyristor modules, the static torque and the moment of inertia of the mechanism on the ...
V. I. Lobov, K. V. Lobova
doaj   +1 more source

Vibration analysis of a permanent magnet synchronous generator considering electromagnetic vibration sources under AC and DC load conditions

AIP Advances
As the performance of permanent-magnet synchronous generators improves, research on device noise is also becoming important. This study analyzes the causes of electromagnetic noise, such as the back electromotive force, cogging torque, torque ripple ...
Woo-sung Jung, Hoon-Ki Lee, Jun-Won Yang, Kyong-Hwan Kim, Ji-Yong Park, Kyung-Hun Shin, Jang-Young Choi   +6 more
doaj   +1 more source

The Modelling, Design and the Operation of an Electromagnetic Torque Converter

, 2015
The current hydraulic torque converter has many drawbacks. It requires a significant amount of oil to drive the impeller, and the turbine, which may cause a loss of energy.
Eljaroshi Mohamed E. Diryak (7814009)
core   +3 more sources

Rotor Eccentricity Affecting the Performance of U-shaped  Singlephase Permanent Magnet Synchronous Motor

Journal of Harbin University of Science and Technology, 2018
In order to analyze the impact of rotor eccentricity to the performance of u-shaped single phase permanent magnet synchronous motor, the finite element method is adopted to analyze the electromagnetic field inside the motor.
FU Min, YU Jing, ZHANG Han, SHEN Lei
doaj   +1 more source

A general magnetic-energy-based torque estimator: validation via a permanent-magnet motor drive [PDF]

, 2008
This paper describes the use of the current–flux-linkage ($i{-}psi$ ) diagram to validate the performance of a general magnetic-energy-based torque estimator.
McGilp, M.I., Miller, T.J.E., Cossar, C., McGilp, M., Olaru, M., Popescu, M.   +5 more
core   +1 more source

Analysis of electromagnetic vibration of IPM motor based on vector control for electric propulsion ships

IET Electric Power Applications
An overall investigation of the electromagnetic force, vibration, and average torque of the Interior Permanent Magnet Synchronous Motors (IPMSM) in the dq model for electric propulsion ships is carried out, and the electromagnetic vibration ...
Zhanlu Yang, Shuo Sun, Mengmeng Wu, Lihua Yang, Zongliang Wang   +4 more
doaj   +1 more source

Are joint torque models limited by an assumption of monoarticularity? [PDF]

, 2012
This study determines whether maximal voluntary ankle plantar flexor torque could be more accurately represented using a torque generator that is a function of both knee and ankle kinematics.
Yeadon, MR, King, MA, Conceição, F, Lewis, MGC   +3 more
core  

Investigation of stator/rotor pole number combinations in field-modulated permanent magnet machine

Journal of Physics Communications
This paper investigates the fluence of stator/rotor pole number combinations on electromagnetic performance of field-modulated permanent-magnet (FMPM) machines. These machines employ the spoke-type PM and the consequent-pole PM as the rotor. Firstly, the
Fangfang Bian, Shuaiwei Huang, Caifei Ke
doaj   +1 more source

Improvement of Based Sector and Comparison Speed and Electromagnetic Torque of Direct Torque Control

Journal of Advanced Research in Applied Mechanics
Direct torque control is one type of vector control used to operate an induction motor. Efficient control rules for induction motor drives offer a great chance to save energy. In comparison to DC batteries, supercapacitor (SC) technology is commonly recognised as one of the most promising and energy-efficient technologies for next-generation energy ...
null Muhamad Akmal Aazmi, null Shamshul Bahar Yaakob, null Muhammad Izuan Fahmi Romli, null Muhammad Zaid Aihsan   +3 more
openaire   +1 more source

Optimal Rotor Design for Reducing Electromagnetic Vibration in Traction Motors Based on Numerical Analysis

Energies
Interior permanent magnet synchronous motor (IPMSM) for traction applications have attracted significant attention due to their advantages of high torque and power density as well as a wide operating range.
Seung-Heon Lee, Si-Woo Song, In-Jun Yang, Ju Lee, Won-Ho Kim   +4 more
doaj   +1 more source