Results 11 to 20 of about 489,649 (259)

Transforming AC-Powered Production Machines For Operation In DC Microgrids: From Methodology To Realization

open access: yesProceedings of the Conference on Production Systems and Logistics, 2023
: Manufacturing processes play a major role in the emission of greenhouse gases. To achieve the international goal of climate neutrality, it is a must to decrease the amount of energy consumed by factories and their production machines.
Hölderle, Dietmar   +4 more
doaj   +1 more source

Calculation of d- and q-axis inductances of PM brushless ac machines accounting for Skew [PDF]

open access: yes, 2005
A hybrid two-dimensional (2-D) finite-element/analytical technique is described for predicting the d-axis and q-axis inductances of permanent magnet (PM) brushless ac machines, with due account for the influence of skew.
Chen, Y.S., Howe, D., Zhu, Z.Q.
core   +1 more source

General modeling of the windings for multi-phase ac machines [PDF]

open access: yes, 2010
This paper, which deals with the winding modeling of ac multi-phase machines with a regular distribution of the stator slots, details an original matrix modeling of the stator winding.
CHARPENTIER, Jean-Frederic   +2 more
core   +5 more sources

An Integral Battery Charger with Power Factor Correction for Electric Scooter [PDF]

open access: yes, 2009
This paper presents an integral battery charger for an electric scooter with high voltage batteries and interior-permanent-magnet motor traction drive.
Armando, Eric Giacomo   +2 more
core   +2 more sources

Torque Ripple Reduction in SR Motor Operating without Rotor Position Sensor

open access: yesAdvances in Electrical and Computer Engineering, 2022
Principle of sequential excitation for stator windings of switched reluctance motor (SRM) causes many problems including torque ripples and substantial requirement for rotor position sensing.
ABDELMAKSOUD, H., SHAABAN, S.
doaj   +1 more source

Influence of skew and cross-coupling on flux-weakening performance of permanent-magnet brushless AC machines [PDF]

open access: yes, 2009
A method is proposed for predicting the flux-weakening performance of permanent-magnet (PM) brushless ac machines accounting for skew and d-q axis cross-coupling.
Chen, J.T.   +5 more
core   +1 more source

Hybrid analytical model for air‐gap magnetic field prediction of surface‐mounted permanent magnet motors with a quasi‐regular polygon rotor

open access: yesIET Electric Power Applications, 2023
In this article, a hybrid analytical model for a quasi‐regular polygon rotor (QPR) is proposed. It mainly uses the subdomain method and conformal mapping to solve a non‐circular boundary in the QPR.
Chuntao Chen   +4 more
doaj   +1 more source

Performance of Halbach magnetized brushless AC motors [PDF]

open access: yes, 2003
The steady-state performance of Halbach magnetized brushless ac machines when operated in constant torque and flux-weakening modes is investigated both theoretically and experimentally, with particular emphasis on the influence of cross-coupling magnetic
Chen, X.J.   +5 more
core   +1 more source

Static sensor assisted rotor temperature estimation of permanent magnet machine for the low‐speed servo applications

open access: yesIET Electric Power Applications, 2023
A permanent magnet synchronous machine (PMSM) temperature estimation method fusing the classic lumped‐parameter thermal network (LPTN) and the stator sensor temperature information is investigated. With respect to the industrial servo applications, it is
Le Sun, Hui Gan, Xin Xiao
doaj   +1 more source

Development of Novel Semi-Stranded Windings for High Speed Electrical Machines Enabled by Additive Manufacturing

open access: yesApplied Sciences, 2023
Recent advances in electrical machines and energy storage technologies make electric vehicles (EVs) feasible replacements to conventional internal combustion engines.
Ahmed Selema   +2 more
doaj   +1 more source

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