Results 21 to 30 of about 22,232 (277)

Investigation of Various Laminating Materials for Interior Permanent Magnet Brushless DC Motor for Cooling Fan Application

open access: yesCES Transactions on Electrical Machines and Systems, 2023
Permanent magnet brushless DC motors are used for various low-power applications, namely domestic fans, washing machines, mixer grinders and cooling fan applications. This paper focuses on selecting the best laminating material for the interior permanent
A. Infantraj   +3 more
doaj   +1 more source

Evaluation of E-vehicle Efficiency Enhancement with Magnetic Materials [PDF]

open access: yesE3S Web of Conferences
Electric vehicles (EVs) commonly use BLDC (Brushless DC) motors because of their efficiency, reliability, and low maintenance needs. BLDC motors are perfect for vehicle propulsion because they convert a large portion of electrical energy into mechanical ...
Roshini R.   +3 more
doaj   +1 more source

Research on torque ripple suppression of brushless DC motor based on PWM modulation [PDF]

open access: yesArchives of Electrical Engineering, 2019
Brushless DC motors are often used as the power sources for modern ship electric propulsion systems. Due to the electromagnetic torque ripple of the motor, the traditional control method reduces the drive performance of the motor under load changes ...
Zhang Daode   +4 more
doaj   +1 more source

Online optimal flux-weakening control of permanent-magnet brushless AC drives [PDF]

open access: yes, 2000
An enhanced online optimal control strategy, which maximizes the flux-weakening performance of a brushless AC motor, is described, and applied to motors having different rotor topologies: interior (radial or circumferential), inset, and surface-mounted ...
Chen, Y.S., Howe, D., Zhu, Z.Q.
core   +1 more source

Stabilization of the FO-BLDCM Chaotic System in the Sense of Lyapunov

open access: yesDiscrete Dynamics in Nature and Society, 2015
Based on an integer-order Brushless DC motors (IO-BLDCM) system, we give a fractional-order Brushless DC motors (FO-BLDCM) system in this paper.
Ping Zhou, Rongji Bai, Hao Cai
doaj   +1 more source

Evaluation of the magnetization direction effects on ferrite PM brushless fractional machines [PDF]

open access: yes, 2012
Permanent magnets are frequently adopted in small brushless machines for automotive applications. Normally anisotropic ferrites, but some research on bonded magnets is being carried on.
Ferraris, Luca   +3 more
core   +1 more source

Eddy-current loss in the rotor magnets of permanent-magnet brushless machines having a fractional number of slots per pole [PDF]

open access: yes, 2005
We develop an analytical model for predicting the eddy-current loss in the rotor magnets of permanent-magnet brushless machines that have a fractional number of slots per pole, when either all the teeth or only alternate teeth are wound, and in which the
Howe, D., Ishak, D., Zhu, Z.Q.
core   +1 more source

Boost converter fed high performance BLDC drive for solar PV array powered air cooling system [PDF]

open access: yes, 2017
This paper proposes the utilization of a DC-DC boost converter as a mediator between a Solar Photovoltaic (SPV) array and the Voltage Source Inverters (VSI) in an SPV array powered air cooling system to attain maximum efficiency.
Depuru, Shobha Rani   +1 more
core   +2 more sources

Research on auxiliary resonant commutated pole inverter for driving brushless DC motor

open access: yesEnergy Reports, 2022
The brushless DC motor is generally used in small satellite flywheel systems due to its good control performance and structure robustness. However, its driving inverter still suffers from hard-switching that leads to higher loss and larger heatsink ...
Miao-miao Cheng   +2 more
doaj   +1 more source

A Sensorless Brushless DC Motor System.

open access: yesIEEJ Transactions on Industry Applications, 1991
AbstractThis paper describes a brushless dc motor system without position or speed sensor. The brushless motor consists of a permanent magnet synchronous motor and a voltage‐source inverter capable of controlling the amplitude and frequency of voltage.
Satoshi Ogasawara   +2 more
openaire   +2 more sources

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