Results 11 to 20 of about 18,520 (212)
Simplified Brushless Wound Field Synchronous Machine Topology Based on a Three-Phase Rectifier
IEEE 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
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Analysis of a Brushless Wound Rotor Synchronous Machine Employing a Stator Harmonic Winding
IEEE 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
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Energies, 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
Mathematics, 2023 This paper presents a topology for the brushless operation of a wound-rotor synchronous machine based on the subharmonic excitation technique by using two sets of multi-pole windings on the armature as well as on the rotor.
Muhammad Humza +3 more
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IEEE 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
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Actuators, 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
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Sensorless flux-weakening control of permanent-magnet brushless machines using third harmonic back EMF [PDF]
, 2004 The sensorless control of brushless machines by detecting the third harmonic back electromotive force is a relatively simple and potentially low-cost technique.
Howe, D., Shen, J.X., Zhu, Z.Q.
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FPGA-based implementation of the back-EMF symmetric-threshold-tracking sensorless commutation method for brushless DC-machines [PDF]
, 2013 The operation of brushless DC permanent-magnet machines requires information of the rotor position to steer the semiconductor switches of the power-supply module which is commonly referred to as Brushless Commutation. Different sensorless techniques have
Darba, Araz +3 more
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Permanent-magnet brushless machines with unequal tooth widths and similar slot and pole numbers [PDF]
, 2005 This paper presents a comparative study of three-phase permanent-magnet brushless machines in which the slot and pole numbers are similar, with reference to conventional brushless dc machines in which the ratio of the slot number to pole number is ...
Howe, D., Ishak, D., Zhu, Z.Q.
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Sensored and sensorless speed control methods for brushless doubly fed reluctance motors [PDF]
, 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 ...
Abad +40 more
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