Results 21 to 30 of about 489,649 (259)
Influence of machine topology and cross-coupling magnetic saturation on rotor position estimation accuracy in extended back-EMF based sensorless PM brushless AC drives [PDF]
, 2007 The influence of the machine topology and dq-axis cross-coupling on the rotor position estimation error in an extended back-EMF based sensorless brushless AC drive is investigated by both finite element analysis and experimentally on four brushless AC ...
Bingham, Chris +4 more
core +1 more source
Local weak observability conditions of sensorless AC drives [PDF]
, 2015 Alternating current (AC) electrical drive control without mechanical sensors is an active research topic. This paper studies the observability of both induction machine and synchronous machine sensorless drives.
Duc, Gilles +3 more
core +3 more sources
IET 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
Influence of PWM on the proximity loss in permanent magnet brushless AC machines [PDF]
, 2008 The winding copper loss can be significantly increased due to skin and proximity eddy current effects. The skin and proximity losses due to fundamental frequency current has been investigated in literature, but the influence of PWM on the skin and ...
Bremner, J. +5 more
core +1 more source
IET 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
Electric vehicle battery performance investigation based on real world current harmonics [PDF]
, 2020 Electric vehicle (EV) powertrains consist of power electronic components as well as electric machines to manage the energy flow between different powertrain subsystems and to deliver the necessary torque and power requirements at the wheels.
Amamra, Sid-Ali +4 more
core +1 more source
Time‐harmonic field‐circuit model for brushless doubly fed induction machine
IET 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
Rotor Eddy-Current loss in permanent-magnet brushless AC machines [PDF]
, 2010 This paper analyzes rotor eddy-current loss in permanent-magnet brushless ac machines. It is shown that analytical or finite-element techniques published in literature for predicting rotor eddy-current loss using space harmonic based approaches may not ...
Arshad, W.M. +4 more
core +1 more source
LIFETIME OF AUXILIARY MACHINES OF AC ELECTRIC TRAINS
Nauka 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
A Computationally Efficient Method for Calculation of Strand Eddy Current Losses in Electric Machines [PDF]
, 2016 In this paper, a fast finite element (FE)-based method for the calculation of eddy current losses in the stator windings of randomly wound electric machines with a focus on fractional slot concentrated winding (FSCW) permanent magnet (PM) machines will ...
Chuan Chong, Yew +5 more
core +2 more sources