Results 11 to 20 of about 6,232 (214)

An Unsupervised Learning Approach to Condition Assessment on a Wound-Rotor Induction Generator

open access: yesEnergies, 2021
Accurate online diagnosis of incipient faults and condition assessment on generators is especially challenging to automate through supervised learning techniques, because of data imbalance.
Elsie Swana, Wesley Doorsamy
doaj   +3 more sources

Direct power control of grid-connected wound rotor induction machine without rotor position sensors [PDF]

open access: yesIEEE Transactions on Power Electronics, 2001
A method is presented for fast response control of the torque and flux of a grid connected wound rotor induction machine fed by back to back connected voltage source inverters on the rotor side. It is based on the measurement of active and reactive power on the grid side where voltages and currents are alternating at fixed frequency.
Datta, Rajib, Ranganathan, VT
openaire   +4 more sources

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

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

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

Rotor position estimation of wound‐rotor synchronous starter/generator

open access: yesThe Journal of Engineering, 2018
This study proposes a novel rotor position estimation method for wound‐rotor synchronous starter/generator (WSSG). At starting stage, WSSG needs a resolver to obtain main generator (MG)'s rotor position. However, the use of resolver increases starting system's complexity, volume, weight and cost. In order to solve this problem, a new kind of MG's rotor
Yujie Zhu   +4 more
openaire   +1 more source

Simple and Robust MPPT Current Control of a Wound Rotor Synchronous Wind Generator

open access: yesEnergies, 2023
In the search for efficient non-permanent magnet variable-speed wind generator solutions, this paper proposes a maximum power point tracking (MPPT) current-control method for a wound rotor synchronous wind generator.
Lucky Dube   +3 more
doaj   +1 more source

Rotor position estimation method of wound‐rotor synchronous starter/generator

open access: yesIET Electric Power Applications, 2018
This study proposes a novel rotor position estimation method for wound‐rotor synchronous starter/generator (WSSG). At the starting stage, WSSG needs a resolver to obtain the main machine's (MM's) rotor position. However, the use of resolver increases starting system's complexity, volume, weight and cost.
Yujie Zhu   +4 more
openaire   +1 more source

PM Assisted, Brushless Wound Rotor Synchronous Machine [PDF]

open access: yesJournal of Magnetics, 2016
This paper presents a new permanent magnet (PM) assisted topology for a recently introduced brushless wound rotor synchronous machine (BL-WRSM). The BL-WRSM had a dual-inverter configuration for generating a composite magneto motive force (MMF) with a fundamental component and a subharmonic component.
Qasim Ali   +3 more
openaire   +1 more source

Accurate MRAS Embedded Minimum Copper-Loss Based Controller for WRIG Coupled With Variable Speed Wind Turbine

open access: yesIEEE Access, 2023
Sensorless control of the wound rotor induction generator (WRIG) using the model reference adaptive system (MRAS) technique is an attractive option in wind energy generation schemes. However, the accuracy of MRAS under variable wind speed situations is a
Adikanda Parida   +2 more
doaj   +1 more source

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