Results 1 to 10 of about 6,952 (196)
It is well known that the air-gap magnetic field of the permanent magnet synchronous generator (PMSG) is difficult to adjust. To overcome this challenge while maintaining the brushless feature of PMSGs, a hybrid excitation synchronous generator (HESG ...
Yonghong Xia +4 more
doaj +1 more source
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
doaj +1 more source
High-Harmonic Injection-Based Brushless Wound Field Synchronous Machine Topology
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
A Novel Sub-Harmonic Synchronous Machine Using Three-Layer Winding Topology
This paper proposes a novel brushless synchronous machine topology that utilizes stator sub-harmonic magnetomotive force (MMF) for desirable brushless operation.
S M Sajjad Hossain Rafin +2 more
doaj +1 more source
Simulation Model of Brushless Excitation System [PDF]
Excitation system is key element in the dynamic performance of electric power systems, accurate excitation models are of great importance in simulating and investigating the power system transient phenomena. Parameter identification of the Brushless excitation system was presented.
Ahmed N. Abdalla, Afaneen Anwar
openaire +2 more sources
Design and Analysis of Single Inverter-Fed Brushless Wound Rotor Vernier Machine
In this paper, a brushless wound rotor vernier machine (Bl-WRVM) with a single inverter configuration is proposed to achieve the brushless operation.
Sara Tariq +5 more
doaj +1 more source
Cost-Effective Scheme for a Brushless Wound Rotor Synchronous Machine
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
This paper introduces a topology for achieving the brushless operation of a wound rotor vernier motor using a single-phase additional winding on the stator, specifically designed for variable-speed applications e.g., washing machines.
Muhammad Humza +3 more
doaj +1 more source
Analysis of a Brushless Wound Rotor Synchronous Machine Employing a Stator Harmonic Winding
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
Improved speed estimation in sensorless PM brushless AC drives [PDF]
The application of flux-observer-based sensorless control to permanent-magnet brushless AC motor drives is described. Current methods of speed estimation are assessed, both theoretically and experimentally, and an improved method, which combines the best
Howe, D., Shen, J.X., Zhu, Z.Q.
core +1 more source

