Results 31 to 40 of about 5,464 (277)

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

Energies, 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

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

IEEE 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., Heyun, L., Zhu, Z.Q., Chengfeng, Y., Shuhua, F., Jian, G.   +5 more
openaire   +2 more sources

Control And Operating Point Optimization Of Hybrid Excitation Synchronous Generator Applied For Wind Application [PDF]

, 2014
The purpose of this paper is to evaluate the possibilities of hybrid excitation synchronous generator (HESG) for wind applications. In HESG, excitation flux is created by both permanent magnets and excitation coils, so the output voltage can be ...
Vido, Lionel, Le Ballois, Sandrine, Ben sedrine, Emna, Berkoune, Karima   +3 more
core   +3 more sources

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

IEEE 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, Qiang Zhang, Runbo Wang, Jilong Hu, Lijun Zhang, Baoping Cai   +5 more
doaj   +1 more source

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

Fractal 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, Hatem F. Sindi, Muhyaddin Rawa, Abdullah A. Alhussainy, Martin Calasan, Mihailo Micev, Ziad M. Ali, Shady H. E. Abdel Aleem   +7 more
doaj   +1 more source

Hybrid excitation synchronous generators for island operation

IET Electric Power Applications, 2012
Hybrid excitation synchronous machines (HESMs), which combine the best features of traditional electrically excited synchronous machines (SMs) and permanent magnet synchronous machines (PMSMs), are investigated. Such machines provide energy efficiency benefits over traditional field-winding-excited machines, especially in the lower power region upto a ...
K. Kamiev, J. Nerg, J. Pyrhönen, V. Zaboin, V. Hrabovcová, P. Rafajdus   +5 more
openaire   +1 more source

Overview of Hybrid Excitation in Electrical Machines

Energies, 2022
Hybrid excitation is a technology that combines the advantages of field windings and permanent magnets for inducing magnetic flux. This article studies the benefits of hybrid excitation and provides an outlook on their possible applications, such as wind
Gustav Mörée, Mats Leijon
doaj   +1 more source

Multi-objective optimization of a hybrid excitation generator with a parallel magnetic circuit based on the coupling of dual optimization algorithms [PDF]

Archives of Electrical Engineering
The coaxial parallel magnetic circuit dual-rotor hybrid excitation structure generator exhibits several advantages, including high output performance, a wide adjustment range, and excellent stability.
Tingjun Sun, Wenjing Hu, Fanxi Meng, Jinke Wu, Yixin Liu, Huihui Geng, Weitao Liu, Wei Wang   +7 more
doaj   +1 more source

Enhancing the Performance of DFIG Wind Turbines Considering Excitation Parameters of the Insulated Gate Bipolar Transistors and a New PLL Scheme

Frontiers in Energy Research, 2021
The major aim for achieving the successful synchronization of a wind turbine system to the grid is to mitigate electrical and mechanical stresses on the wind generator.
Kenneth E. Okedu, Kenneth E. Okedu, Hind F. A. Barghash   +2 more
doaj   +1 more source

Thermal Analysis of Hybrid Excitation Generator for Distributed Generation Applications

DEStech Transactions on Engineering and Technology Research, 2016
This paper presents a general thermal calculation method to analyze the thermal behaviors of hybrid excitation generators for distributed generation applications. The three-dimensional (3D) finite element method was adopted to calculate the temperature field of the air-cooled generator. The steady-state heat transfer mathematic and physical models were
Hai-lin GU, Zhong-hai LIU, Ying LIU, Wei MENG, Xing HUANG, Peng-Yu LIU   +5 more
openaire   +2 more sources