Results 11 to 20 of about 6,371 (216)

Performance Evaluation of Harmonic Reduced Non-Overlap Winding Wound Rotor Synchronous Machine

open access: yesEnergies, 2021
The analysis and performance evaluation of a harmonic reduction strategy of a non-overlap winding wound rotor synchronous machine is conducted in this paper.
Karen S. Garner   +2 more
doaj   +1 more source

Mathematical modeling of rheostat-reactor start of wound-rotor induction motors

open access: yesElectrical engineering & Electromechanics, 2022
Introduction. Wound-rotor induction motors are less common compared squirrel-cage induction motors. However, they occupy a significant share among electric drives with difficult starting conditions.
V. S. Malyar   +3 more
doaj   +1 more source

Novel Self-Excited Brush-Less Wound Field Vernier Machine Topology

open access: yesIEEE Access, 2022
To realize the brush-less operation for wound field vernier machines (WFVMs), a novel self-excited topology is proposed in this paper which involves a four-pole main armature winding and a two-pole excitation winding connected in series using an ...
Syed Sabir Hussain Bukhari   +6 more
doaj   +1 more source

Novel High Accuracy Resolver Topology for Space Applications

open access: yesSensors, 2021
In recent years, the space industry has experienced a significant change mainly due to the incursion of private companies, which has shaken up the sector. This new situation allows for a reduction regarding the reliability of conventional instrumentation
Jon Santiso-Zelaia   +4 more
doaj   +1 more source

Dual-Mode Wound Rotor Synchronous Machine for Variable Speed Applications

open access: yesIEEE Access, 2020
This paper presents a novel dual-mode wound rotor synchronous machine (DWRSM) for variable speed applications. The proposed machine combines the advantages of both the conventional wound rotor synchronous machine (CWRSM) and the brushless wound rotor ...
Muhammad Ayub   +4 more
doaj   +1 more source

Research on rotor-side frequency conversion speed regulation technology for high voltage wound-rotor motor

open access: yesGong-kuang zidonghua, 2018
In view of problems of technical difficulties, high cost and high voltage requirements for power electronic components in current high voltage wound-rotor motor using stator-side high voltage inverter for frequency conversion speed regulation, a rotor ...
CHENG Guodong   +2 more
doaj   +1 more source

Performance Analysis of WRIM Drive System Operating under Distorted and Unbalanced Supply: A Survey

open access: yesZanco Journal of Pure and Applied Sciences, 2020
The development of technology in power semiconductor devices leads to the increasing use of a static switching device in wound rotor induction motor (WRIM) controller systems.
Hilmy Fazil Ameen, Fadhil Toufick Aula
doaj   +3 more sources

Influence of stator/rotor-pole combination on electromagnetic performance in all/alternate poles wound partitioned stator doubly salient permanent magnet machines

open access: yesThe Journal of Engineering, 2017
In this study, the influence of stator/rotor-pole combinations on electromagnetic performance in partitioned stator doubly salient permanent magnet (PS-DSPM) machines is investigated, in terms of open-circuit flux-linkage, back-electromotive force (EMF),
Zhongze Wu, Z.Q. Zhu
doaj   +1 more source

Investigation of Combined Electrical Modalities for Fault Diagnosis on a Wound-Rotor Induction Generator

open access: yesIEEE Access, 2019
An online method for fault diagnosis on a wound rotor induction generator using stator voltage and current, and rotor current are investigated. The diagnostic method comprises processing of the generators signals and classification of the machine's ...
Elsie F. Swana, Wesley Doorsamy
doaj   +1 more source

Analysis of a Brushless Wound Rotor Synchronous Machine Employing a Stator Harmonic Winding

open access: yesIEEE Access, 2020
This study proposes a new topology for brushless operation of a wound rotor synchronous machine (WRSM) employing a stator harmonic winding. It is based on generating an additional six-pole magneto-motive force component without the use of an inverter. In
Ghulam Jawad Sirewal   +3 more
doaj   +1 more source

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