Results 11 to 20 of about 14,876 (266)

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

Modeling, Investigation, and Mitigation of AC Losses in IPM Machines with Hairpin Windings for EV Applications

open access: yesEnergies, 2021
Interior permanent magnet (IPM) machines with hairpin windings have attracted significant attention in EV applications owing to their low DC resistance and excellent thermal capabilities.
Mingyu Choi, Gilsu Choi
doaj   +1 more source

Time‐harmonic field‐circuit model for brushless doubly fed induction machine

open access: yesIET Electric Power Applications, 2023
A computationally efficient time‐harmonic finite element model for the steady‐state analysis of a brushless doubly fed induction machine (BDFIM) is proposed.
Mariusz Jagiela   +3 more
doaj   +1 more source

Analytical modelling of a slotless tubular interior permanent magnet machine considering iron poles permeability

open access: yesIET Electric Power Applications, 2023
An analytical method is proposed to model the magnetic field distribution across a slotless tubular interior permanent magnet machine. In order to consider the permeability of both permanent magnets and iron poles of the slider, in the proposed approach,
Mohammad Hosein Javanmardi   +1 more
doaj   +1 more source

Design and transient experimental analysis of a pulsed brushless doubly fed alternator in a capacitor charge power supply system

open access: yesIET Electric Power Applications, 2022
There is an urgent need to develop a robust capacitor charge power supply (CCPS) system to meet the requirement of pulsed load in all‐weather mobile occasions such as vehicle, ship and aircraft.
Kexun Yu   +3 more
doaj   +1 more source

LIFETIME OF AUXILIARY MACHINES OF AC ELECTRIC TRAINS

open access: yesNauka ta progres transportu, 2015
Purpose. In this paper it is necessary to analyze increase the efficiency of auxiliary machinesof AC electric trains, series ER 9M during operating under the real conditions. Methodology.
O. Yu. Baliichuk
doaj   +1 more source

Improvement of Position Estimation of PMSMs Using an Iterative Vector Decoupling Algorithm

open access: yesEnergies, 2021
This paper presents an improvement of sensorless techniques based on anisotropy for the estimation of the electrical angular position of synchronous machines by means of an iterative algorithm.
Stefano Fabbri   +3 more
doaj   +1 more source

Considerations for starting combustion engines with AC machines

open access: yesDiagnostyka, 2022
To initiate its combustion cycles, internal combustion engines require a minimum rotational speed that can be given from several sources (muscular, electrical, pneumatic, among others).
Mauricio Monroy   +2 more
doaj   +1 more source

Establishing an Apheresis Medicine Program in a Resource‐Constrained Setting: A 5‐Year Experience From Lagos, Nigeria

open access: yesTherapeutic Apheresis and Dialysis, EarlyView.
ABSTRACT Background Establishing a comprehensive apheresis medicine program in a resource‐constrained setting presents significant structural, financial, and logistical challenges. Despite the growing clinical importance of apheresis services globally, published experience from sub‐Saharan Africa remains sparse.
Folasade Adelekan‐Popoola   +4 more
wiley   +1 more source

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