Results 1 to 10 of about 431 (137)

Development of Brushless Claw Pole Electrical Excitation and Combined Permanent Magnet Hybrid Excitation Generator for Vehicles

Energies, 2020
Aiming at the problems of large excitation loss and low power generation efficiency of silicon rectifier generators and the unstable output voltage of permanent magnet (PM) generators, a hybrid excitation generator (HEG) with suspended brushless claw ...
Huihui Geng, Xueyi Zhang, Yufeng Zhang, Wenjing Hu, Yulong Lei, Xiaoming Xu, Aichuan Wang, Shanjian Wang, Liwei Shi   +8 more
doaj   +3 more sources

Brushless Excitation Principle and Experimental Verification of Hybrid Excitation Synchronous Generator Based on Harmonic Magnetic Field

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, Huiyu Huang, Zhichao Zhu, Haoran Guo, Ying Chen   +4 more
doaj   +1 more source

Brushless Operation of Wound-Rotor Synchronous Machine Based on Sub-Harmonic Excitation Technique Using Multi-Pole Stator Windings

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, Tanveer Yazdan, Qasim Ali, Han-Wook Cho   +3 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, Fareed Hussain Mangi, Irfan Sami, Qasim Ali, Jong-Suk Ro   +4 more
doaj   +1 more source

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, Qasim Ali, Thomas A. Lipo   +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, Junaid Ikram, Syed Sabir Hussain Bukhari, Qasim Ali, Asif Hussain, Jongsuk Ro   +5 more
doaj   +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, Syed Sabir Hussain Bukhari   +1 more
doaj   +1 more source

Brushless Wound Rotor Vernier Motor Using Single-Phase Additional Winding on Stator for Variable Speed Applications

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, Tanveer Yazdan, Mudassir Raza Siddiqi, Han-Wook Cho   +3 more
doaj   +1 more source

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, Muhammad Ayub, Shahid Atiq, Byung-Il Kwon   +3 more
doaj   +1 more source

Electromagnetic Design and Flux Regulation Analysis of New Hybrid Excitation Generator for Electric Vehicle Range Extender

Journal of Electrical and Computer Engineering, 2021
Aiming at the problem of uncontrollable magnetic field of permanent magnet generators, a new hybrid excitation generator (HEG) with parallel magnetic circuit is proposed.
Wenjing Hu, Xueyi Zhang, Huihui Geng, Ting Gao, Liwei Shi, Di You   +5 more
doaj   +1 more source