Results 21 to 30 of about 1,896,325 (283)

Analysis of Performance Improvement of Passenger Car Synchronous Homopolar Generator with the Addition of Ferrite Magnets

open access: yesApplied Sciences, 2023
Electric machines with hybrid excitation have increased torque density while maintaining a wide range of speed control. This article presents the results of the optimal design of a synchronous homopolar generator (SHG) with ferrite magnets on the rotor ...
Vladimir Prakht   +2 more
doaj   +1 more source

A Novel Hybrid Excitation Doubly Salient Generator with Separated Windings by PM Inserted in Stator Slot for HEVs

open access: yesEnergies, 2022
Aiming to design a generator with high reliability, high efficiency, and especially a constant output voltage over a wide speed range for hybrid electric vehicles (HEVs), this paper proposes a novel topology of a hybrid excitation doubly salient ...
Mengyao Wang   +4 more
doaj   +1 more source

Performance Analysis and Optimization of Built-In Permanent Magnet and Salient-Pole Electromagnetic Hybrid Excitation Generators for Vehicles

open access: yesJournal of Engineering, 2022
To solve the problems of the low power density of pure electric excitation generator and nonadjustable magnetic field of pure permanent magnet (PM) generator, a salient-pole hybrid excitation generator (HEG) was proposed in this paper.
Huihui Geng   +7 more
doaj   +1 more source

Design and Optimization of a Hybrid Excitation System for Magnetically Driven Rotating DC Arc Plasma Generators

open access: yesIEEE Access, 2021
To eliminate the disadvantages of both the uncontrollability in the magnetic field of a permanent magnet excitation system and the high energy consumption of an electric excitation system in a traditional magnetically rotating arc plasma generator, a ...
Xiaowen Xu, Zhuoxiang Ren, Shiyou Yang
doaj   +1 more source

Mesh-Based 3D MEC Modeling of a Novel Hybrid Claw Pole Generator

open access: yesEnergies, 2022
A brushless parallel hybrid excitation claw pole generator (HECPG) is proposed for electric vehicle (EV) application. Permanent magnet (PM) excitation method can reduce the volume of the machine and improve the power density and efficiency. Moreover, the
Yu Cao, Chuang Liu, Junyue Yu
doaj   +1 more source

An Asymmetric-Primary Axis-Flux Hybrid-Excitation Generator for the Vertical Axis Wind Turbine

open access: yesIEEE Access, 2021
Axis-flux wind generators are widely used in vertical axis wind turbines given their high generator diameter-to-length and power-to-weight ratios, flexible field and winding design, improved cooling, and possibility of modular construction. In this paper,
Jing Liu   +5 more
doaj   +1 more source

Development and Analysis of the Magnetic Circuit on Double-Radial Permanent Magnet and Salient-Pole Electromagnetic Hybrid Excitation Generator for Vehicles

open access: yesChinese Journal of Mechanical Engineering, 2019
With the improvement of vehicles electrical equipment, the existing silicon rectification generator and permanent magnet generator cannot meet the requirement of the electric power consumption of the modern vehicles electrical equipment.
Xueyi Zhang   +4 more
doaj   +1 more source

Hybrid Magnet - Field Winding Solutions for Exciters of Synchronous Generators [PDF]

open access: yes2019 IEEE International Electric Machines & Drives Conference (IEMDC), 2019
For power generation purposes, wound-field synchronous generators are often preferred to permanent magnet machines, due to the need of controlling the field winding voltage and current for guaranteeing a constant voltage at the generator's armature terminals.
G. Decuzzi   +4 more
openaire   +4 more sources

A Novel Dual-Stator Hybrid Excited Synchronous Wind Generator [PDF]

open access: yesIEEE Transactions on Industry Applications, 2009
This paper presents a novel dual-stator hybrid excited synchronous wind generator and describes its structural features and operation principle. The no-load magnetic fields with different field currents are computed by 3-D finite-element method. Static characteristics, including the flux-linkage and EMF waveforms of stator windings, and inductance ...
Xiping, L.   +5 more
openaire   +2 more sources

Optimal PID Controllers for AVR Systems Using Hybrid Simulated Annealing and Gorilla Troops Optimization

open access: yesFractal and Fractional, 2022
In the literature, all investigations dealing with regulator design in the AVR loop observe the AVR system as a single input single output (SISO) system, where the input is the generator reference voltage, while the output is the generator voltage ...
Sultan Alghamdi   +7 more
doaj   +1 more source

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