Results 21 to 30 of about 984 (220)
Energies, 2018 This paper presents an optimal design of a recently introduced brushless wound-rotor synchronous machine (BL-WRSM). The BL-WRSM, with a special stator winding arrangement, utilizes a single three-phase inverter for generating an additional spatial ...
Asif Hussain, Shahid Atiq, Byung-il Kwon
doaj +2 more sources
Smart Solutions: A New Direct Current Electric Machine Design to Reduce Weight and Enhance Efficiency. [PDF]
Glob ChallThis article introduces a smart solution for the design of a brush DC motor with a windingâfree rotor (DCFR). The proposed model simplifies manufacturing, reduces material costs, and enhances efficiency. Designed for variable speed and solar power applications, the DCFR achieves 91.8% efficiency and a 21% weight reduction compared to conventional ...
Ivliev D +5 more
europepmc +2 more sources
IEEE Access, 2022 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
High-Harmonic Injection-Based Brushless Wound Field Synchronous Machine Topology
Mathematics, 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
Simulation Model of Brushless Excitation System [PDF]
Journal of Applied Sciences, 2007 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
A Novel Sub-Harmonic Synchronous Machine Using Three-Layer Winding Topology
World Electric Vehicle Journal, 2022 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
Design and Analysis of Single Inverter-Fed Brushless Wound Rotor Vernier Machine
IEEE Access, 2022 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
Observations of Field Current and Field Winding Temperature in Electrically Excited Synchronous Machines with Brushless Excitation [PDF]
, 2022 Electrically excited synchronous machines have become an alternative in electrification of transportations and renewable power generations. To reduce the extra effort in the maintenance of sliprings and brushes for field excitation, brushless excitation ...
Liu, Yujing, +9 more
core +1 more source
Cost-Effective Scheme for a Brushless Wound Rotor Synchronous Machine
World 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
IEEE Access, 2023 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