Results 11 to 20 of about 2,781 (219)

Brushless Synchronous Machine With Dual-Frequency Inverter for High Torque and Low Ripple Operation [PDF]

open access: yesIEEE Access
In this paper, a novel brushless synchronous machine topology is introduced with the integration of a double-frequency inverter system, which plays a pivotal role in generating a sub-harmonic magnetomotive force (MMF) that significantly enhances torque ...
Hafiz Mudassir Munir   +3 more
doaj   +2 more sources

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

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

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

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

Performance estimation of interior permanent-magnet brushless motors using the voltage-driven flux-MMF diagram [PDF]

open access: yes, 2006
The flux-magnetomotive force (flux-MMF) diagram, or "energy conversion loop," is a powerful tool for computing the parameters of saturated interior permanent-magnet brushless motors, especially when the assumptions underlying classical dq theory are not ...
Cossar, C.   +3 more
core   +1 more source

Sensored and sensorless speed control methods for brushless doubly fed reluctance motors [PDF]

open access: yes, 2009
The study considers aspects of scalar V/f control, vector control and direct torque (and flux) control (DTC) of the brushless doubly fed reluctance machine (BDFRM) as a promising cost-effective alternative to the existing technological solutions for ...
Jovanovic, Milutin
core   +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

Home - About - Disclaimer - Privacy