Effect of pole number and slot number on performance of dual rotor permanent magnet wind power generator using ferrite magnets | Zendy

Peifeng Xu | Zendy; Kai Shi | Zendy; Yuxin Sun | Zendy; Huangqiu Zhua | Zendy

Open Access

Effect of pole number and slot number on performance of dual rotor permanent magnet wind power generator using ferrite magnets

Author(s) -

Peifeng Xu,

Kai Shi,

Yuxin Sun,

Huangqiu Zhua

Publication year - 2017

Publication title -

aip advances

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.421

H-Index - 58

ISSN - 2158-3226

DOI - 10.1063/1.4974497

Subject(s) - cogging torque , magnet , permanent magnet synchronous generator , flux linkage , torque , ferrite (magnet) , wind power , shunt generator , torque density , mechanical engineering , automotive engineering , electrical engineering , control theory (sociology) , materials science , computer science , physics , direct torque control , engineering , voltage , control (management) , artificial intelligence , induction motor , thermodynamics

Dual rotor permanent magnet (DRPM) wind power generator using ferrite magnets has the advantages of low cost, high efficiency, and high torque density. How to further improve the performance and reduce the cost of the machine by proper choice of pole number and slot number is an important problem to be solved when performing preliminarily design a DRPM wind generator. This paper presents a comprehensive performance comparison of a DRPM wind generator using ferrite magnets with different slot and pole number combinations. The main winding factors are calculated by means of the star of slots. Under the same machine volume and ferrite consumption, the flux linkage, back-electromotive force (EMF), cogging torque, output torque, torque pulsation, and losses are investigated and compared using finite element analysis (FEA). The results show that the slot and pole number combinations have an important impact on the generator properties

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