Results 21 to 30 of about 1,424 (159)

Novel Hybrid Consequent-Pole Brushless Wound Rotor Synchronous Machine for Improving Torque Characteristics

open access: yesIEEE Access, 2022
This article introduces a hybrid consequent-pole brushless wound rotor synchronous machine (CP-BL-WRSM). The CP-BL-WRSM installs permanent magnets (PMs) on the alternative rotor poles.
Ying Yan   +2 more
doaj   +1 more source

Simplified Brushless Wound Field Synchronous Machine Topology Based on a Three-Phase Rectifier

open access: yesIEEE Access, 2021
This paper proposes a novel simplified brushless wound field synchronous machine (BL-WFSM) topology based on an uncontrolled three-phase rectifier. The output of the rectifier is injected into the common point of the star-connected three-phase armature ...
Syed Sabir Hussain Bukhari   +3 more
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

High-Efficient Brushless Wound Rotor Synchronous Machine Topology Based on Sub-Harmonic Field-Excitation Technique

open access: yesEnergies, 2021
This paper presents a new high-efficient three-phase brushless wound rotor synchronous machine (BL-WRSM) based on a sub-harmonic field excitation technique. In the proposed machine topology, the stator is equipped with two different three-phase windings:
Syed Sabir Hussain Bukhari   +3 more
doaj   +1 more source

Performance Analysis of Brushless Wound Rotor Vernier Machine by Utilizing Third Harmonic Field Excitation

open access: yesIEEE Access, 2023
In this paper, a self-excited topology by utilizing third harmonic field excitation is proposed for realizing the brushless operation of the Wound Rotor Vernier Machine (WRVM).
Sheikh Yasir Hammad   +5 more
doaj   +1 more source

Energy Efficiency and Performance Evaluation of an Exterior-Rotor Brushless DC Motor and Drive System across the Full Operating Range

open access: yesActuators, 2023
In recent years, exterior-rotor brushless DC motors have become increasingly popular in robotics applications due to their compact shape and high torque density. However, these motors were originally used for continuous operation in drones.
Tsung-Han Hsieh   +2 more
doaj   +1 more source

ASSESSMENT OF THE OPERATING CHARACTERISTICS OF BRUSHLESS DC MOTORS [PDF]

open access: yesJournal of Energy Technology
This paper presents the operating characteristics of brushless DC motors (BLDC) obtained via analytical, numerical, and simulation software, enabling steady-state and transient characteristics of a motor to be computed. Based on the catalogue data from the producer, Moog, a motor is simulated in a closed-loop control system fed by a voltage inverter ...
Sarac, Vasilija   +2 more
openaire   +2 more sources

Cost-Effective Scheme for a Brushless Wound Rotor Synchronous Machine

open access: yesWorld Electric Vehicle Journal, 2021
This paper proposes a new scheme for a brushless wound rotor synchronous machine (WRSM) by generating an additional, two-pole component of magneto-motive force (MMF) with a series-connected additional three-phase winding with the armature three-phase ...
Ghulam Jawad Sirewal   +1 more
doaj   +1 more source

Optimal design of a multi-phase double-stator bearingless brushless direct current motor

open access: yesAdvances in Mechanical Engineering, 2017
To overcome the serious coupling between torque and levitation forces, increase the output torque, and improve fault tolerance performance for the bearingless brushless direct current motor, a multi-phase double-stator bearingless brushless direct ...
Yuemei Qin, Huangqiu Zhu
doaj   +1 more source

High-Harmonic Injection-Based Brushless Wound Field Synchronous Machine Topology

open access: yesMathematics, 2021
This paper discusses the design and analysis of a high-harmonic injection-based field excitation scheme for the brushless operation of wound field synchronous machines (WFSMs) in order to achieve a higher efficiency.
Syed Sabir Hussain Bukhari   +4 more
doaj   +1 more source

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