Results 91 to 100 of about 6,999 (231)

A general framework for the analysis and design of tubular linear permanent magnet machines [PDF]

open access: yes, 1999
A general framework for the analysis and design of a class of tubular linear permanent magnet machines is described. The open-circuit and armature reaction magnetic field distributions are established analytically in terms of a magnetic vector potential ...
Howe, D., Jewell, G.W., Wang, J.B.
core   +1 more source

Brushless Synchronous Machine With Dual-Frequency Inverter for High Torque and Low Ripple Operation

open access: yesIEEE Access
In this paper, a novel brushless synchronous machine topology is introduced with the integration of a double-frequency inverter system, which plays a pivotal role in generating a sub-harmonic magnetomotive force (MMF) that significantly enhances torque ...
Hafiz Mudassir Munir   +3 more
doaj   +1 more source

Control of a Dual-Stator Flux-Modulated Motor for Electric Vehicles

open access: yesEnergies, 2016
This paper presents the control strategies for a novel dual-stator flux-modulated (DSFM) motor for application in electric vehicles (EVs). The DSFM motor can be applied to EVs because of its simple winding structure, high reliability, and its use of two ...
Xinhua Guo   +5 more
doaj   +1 more source

Traction drive system design considerations for a lunar roving vehicle [PDF]

open access: yes
Optimum design considerations of traction drive for lunar roving ...
Doran, B. J.   +2 more
core   +1 more source

Quantifying the commutation error of a BLDC machine using sensorless load angle estimation [PDF]

open access: yes, 2016
BLDC motors are often used for high speed applications, for example in pumps, ventilators and refrigerators. For commutation discrete position information is necessary.
De Viaene, Jasper   +4 more
core   +1 more source

Effects of Design Parameters on Performance of Brushless Electrically Excited Synchronous Reluctance Generator [PDF]

open access: yes, 2018
Permanent magnet synchronous generators, doubly fed induction generators, and traditional electrically excited synchronous generators are widely used for wind power applications, especially large offshore installations.
Jia, Guanglong   +4 more
core   +1 more source

Research of Brushless Doubly-fed Machine with Non-salient Pole

open access: yesGong-kuang zidonghua, 2012
In view of problem that conversion efficiency of rotator flux of brushless doubly-fed machine influences on working efficiency, the paper proposed an optimal design scheme of non-salient pole rotator structure of brushless doubly-fed machine.
LI Sheng-li
doaj  

Computationally Efficient Strand Eddy Current Loss Calculation in Electric Machines [PDF]

open access: yes, 2019
A fast finite element (FE) based method for the calculation of eddy current losses in the stator windings of randomly wound electric machines is presented in this paper.
Chong, Yew Chuan   +5 more
core   +1 more source

Direct torque control of brushless DC drives with reduced torque ripple [PDF]

open access: yes, 2005
The application of direct torque control (DTC) to brushless ac drives has been investigated extensively. This paper describes its application to brushless dc drives, and highlights the essential differences in its implementation, as regards torque ...
Howe, D., Liu, Y., Zhu, Z.Q.
core   +1 more source

Analysis of brushless three‐phase synchronous generator without exciter

open access: yesElectrical Engineering in Japan, 1992
AbstractRecently, a demand for small‐capacity generators has been increasing as electric sources in small ships and automobiles or as portable electric sources driven by engines.It is desired that the structure of small‐capacity generators be simple and robust, and that the generators be highly reliable, easily maintained and controlled.This paper ...
Sakutaro Nonaka   +2 more
openaire   +2 more sources

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