An optimal design of coreless direct-drive axial flux permanent magnet generator for wind turbine

6th Vacuum and Surface Sciences Conference of Asia and Australia

Ahmed, D.^1 ; Ahmad, A.^2

Department of Electrical Engineering (DOEE), University of Engineering and Technology, Taxila, Pakistan^1

University of Engineering and Technology, Taxila, Pakistan^2

关键词: Axial flux permanent magnet;    Axial flux permanent magnet generators;    Doubly Fed Induction generators (DFIG);    MATLAB/Simulink environment;    Permanent Magnet Synchronous generator (PMSG);    Variable speed operations;    Wind power generation systems;    Wind power technology;   

Others  :  https://iopscience.iop.org/article/10.1088/1742-6596/439/1/012039/pdf
DOI  :  10.1088/1742-6596/439/1/012039

来源: IOP

【 摘 要 】

Different types of generators are currently being used in wind power technology. The commonly used are induction generator (IG), doubly-fed induction generator (DFIG), electrically excited synchronous generator (EESG) and permanent magnet synchronous generator (PMSG). However, the use of PMSG is rapidly increasing because of advantages such as higher power density, better controllability and higher reliability. This paper presents an innovative design of a low-speed modular, direct-drive axial flux permanent magnet (AFPM) generator with coreless stator and rotor for a wind turbine power generation system that is developed using mathematical and analytical methods. This innovative design is implemented in MATLAB / Simulink environment using dynamic modelling techniques. The main focus of this research is to improve efficiency of the wind power generation system by investigating electromagnetic and structural features of AFPM generator during its operation in wind turbine. The design is validated by comparing its performance with standard models of existing wind power generators. The comparison results demonstrate that the proposed model for the wind power generator exhibits number of advantages such as improved efficiency with variable speed operation, higher energy yield, lighter weight and better wind power utilization.